X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lustre%2Fautoconf%2Flustre-core.m4;h=40c6a0f9412d51c085a445a3ed96dced55fce7d1;hb=49b74e8ab7c0bf76a4ff5b0b2cce15314b1ca8f8;hp=4eb3c0d7384489ff11d5a9a82b02358b2b45ec6e;hpb=250cfab4dee85481ca8003bf75a110e5704af65c;p=fs%2Flustre-release.git diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4 index 4eb3c0d7..40c6a0f 100644 --- a/lustre/autoconf/lustre-core.m4 +++ b/lustre/autoconf/lustre-core.m4 @@ -49,20 +49,76 @@ esac ]) # -# Ensure stack size big than 8k in Lustre server (all kernels) +# LC_CONFIG_OBD_BUFFER_SIZE # -AC_DEFUN([LC_STACK_SIZE], -[AC_MSG_CHECKING([stack size big than 8k]) -LB_LINUX_TRY_COMPILE([ - #include +# the maximum buffer size of lctl ioctls +# +AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE], +[AC_MSG_CHECKING([maximum OBD ioctl size]) +AC_ARG_WITH([obd-buffer-size], + AC_HELP_STRING([--with-obd-buffer-size=[size]], + [set lctl ioctl maximum bytes (default=8192)]), + [ + OBD_BUFFER_SIZE=$with_obd_buffer_size + ],[ + OBD_BUFFER_SIZE=8192 + ]) +AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes]) +AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size]) +]) + +# +# LC_READLINK_SSIZE_T +# +AC_DEFUN([LC_READLINK_SSIZE_T], +[AC_MSG_CHECKING([if readlink returns ssize_t]) +AC_TRY_COMPILE([ + #include ],[ - #if THREAD_SIZE < 8192 - #error "stack size < 8192" - #endif + ssize_t readlink(const char *, char *, size_t); ],[ - AC_MSG_RESULT(yes) + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t]) ],[ - AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.]) + AC_MSG_RESULT([no]) +]) +]) + +# +# LC_FUNC_RELEASEPAGE_WITH_GFP +# +# 2.6.9 ->releasepage() takes a gfp_t arg +# This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function, +# while others either don't have gfp_t or pass gfp_t as the parameter. +# +AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP], +[AC_MSG_CHECKING([if releasepage has a gfp_t parameter]) +RELEASEPAGE_WITH_GFP="$(grep -c 'releasepage.*gfp_t' $LINUX/include/linux/fs.h)" +if test "$RELEASEPAGE_WITH_GFP" != 0 ; then + AC_DEFINE(HAVE_RELEASEPAGE_WITH_GFP, 1, + [releasepage with gfp_t parameter]) + AC_MSG_RESULT([yes]) +else + AC_MSG_RESULT([no]) +fi +]) + + + +# +# only for Lustre-patched kernels +# +AC_DEFUN([LC_LUSTRE_VERSION_H], +[LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[ + rm -f "$LUSTRE/include/linux/lustre_version.h" +],[ + touch "$LUSTRE/include/linux/lustre_version.h" + if test x$enable_server = xyes ; then + AC_MSG_WARN([Unpatched kernel detected.]) + AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;]) + AC_MSG_WARN([disabling server build]) + enable_server='no' + fi ]) ]) @@ -91,26 +147,35 @@ kernel patches from Lustre version 1.4.3 or above.]) ]) # -# LC_CONFIG_BACKINGFS +# Ensure stack size big than 8k in Lustre server (all kernels) +# +AC_DEFUN([LC_STACK_SIZE], +[AC_MSG_CHECKING([stack size big than 8k]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + #if THREAD_SIZE < 8192 + #error "stack size < 8192" + #endif +],[ + AC_MSG_RESULT(yes) +],[ + AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.]) +]) +]) + # -# setup, check the backing filesystem +# Allow the user to set the MDS thread upper limit # -AC_DEFUN([LC_CONFIG_BACKINGFS], +AC_DEFUN([LC_MDS_MAX_THREADS], [ -BACKINGFS="ldiskfs" - -if test x$with_ldiskfs = xno ; then - if test x$linux25$enable_server = xyesyes ; then - AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.]) - fi -else - # ldiskfs is enabled - LB_DEFINE_LDISKFS_OPTIONS -fi #ldiskfs - -AC_MSG_CHECKING([which backing filesystem to use]) -AC_MSG_RESULT([$BACKINGFS]) -AC_SUBST(BACKINGFS) + AC_ARG_WITH([mds_max_threads], + AC_HELP_STRING([--with-mds-max-threads=size], + [define the maximum number of threads available on the MDS: (default=512)]), + [ + MDS_THREAD_COUNT=$with_mds_max_threads + AC_DEFINE_UNQUOTED(MDT_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of mdt threads]) + ]) ]) # @@ -148,27 +213,18 @@ fi ]) # -# LC_HEADER_LDISKFS_XATTR -# -# CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h +# LC_CONFIG_LIBLUSTRE_RECOVERY # -AC_DEFUN([LC_HEADER_LDISKFS_XATTR], -[AC_MSG_CHECKING([if ldiskfs has xattr.h header]) -tmp_flags="$EXTRA_KCFLAGS" -EXTRA_KCFLAGS="-I$LINUX/fs -I$LDISKFS_DIR -I$LDISKFS_DIR/ldiskfs" -LB_LINUX_TRY_COMPILE([ - #include -],[ - ldiskfs_xattr_get(NULL, 0, "", NULL, 0); - ldiskfs_xattr_set_handle(NULL, NULL, 0, "", NULL, 0, 0); - -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_LDISKFS_XATTR_H, 1, [ldiskfs/xattr.h found]) -],[ - AC_MSG_RESULT([no]) -]) -EXTRA_KCFLAGS="$tmp_flags" +AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY], +[AC_MSG_CHECKING([whether to enable liblustre recovery support]) +AC_ARG_ENABLE([liblustre-recovery], + AC_HELP_STRING([--disable-liblustre-recovery], + [disable liblustre recovery support]), + [],[enable_liblustre_recovery='yes']) +AC_MSG_RESULT([$enable_liblustre_recovery]) +if test x$enable_liblustre_recovery != xno ; then + AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover) +fi ]) # @@ -188,38 +244,117 @@ if test x$enable_health_write != xno ; then fi ]) -# -# LC_CONFIG_LIBLUSTRE_RECOVERY -# -AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY], -[AC_MSG_CHECKING([whether to enable liblustre recovery support]) -AC_ARG_ENABLE([liblustre-recovery], - AC_HELP_STRING([--disable-liblustre-recovery], - [disable liblustre recovery support]), - [],[enable_liblustre_recovery='yes']) -AC_MSG_RESULT([$enable_liblustre_recovery]) -if test x$enable_liblustre_recovery != xno ; then - AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover) +AC_DEFUN([LC_CONFIG_LRU_RESIZE], +[AC_MSG_CHECKING([whether to enable lru self-adjusting]) +AC_ARG_ENABLE([lru_resize], + AC_HELP_STRING([--enable-lru-resize], + [enable lru resize support]), + [],[enable_lru_resize='yes']) +AC_MSG_RESULT([$enable_lru_resize]) +if test x$enable_lru_resize != xno; then + AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support]) +fi +]) + +# whether to enable quota support(kernel modules) +AC_DEFUN([LC_QUOTA_MODULE], +[if test x$enable_quota != xno; then + LB_LINUX_CONFIG([QUOTA],[ + enable_quota_module='yes' + AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support]) + ],[ + enable_quota_module='no' + AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support]) + ]) fi ]) +# truncate_complete_page() was exported from RHEL5/SLES10/SLES11 +# remove_from_page_cache() was exported between 2.6.35 and 2.6.38 +# delete_from_page_cache() is exported from 2.6.39 +AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE], + [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page], + [mm/truncate.c], + [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1, + [kernel export truncate_complete_page])]) + LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache], + [mm/filemap.c], + [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1, + [kernel export remove_from_page_cache])]) + LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache], + [mm/filemap.c], + [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1, + [kernel export delete_from_page_cache])]) + ]) + +AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE], +[LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range], +[mm/truncate.c],[ +AC_DEFINE(HAVE_TRUNCATE_RANGE, 1, + [kernel export truncate_inode_pages_range]) +],[ +]) +]) + +AC_DEFUN([LC_EXPORT_D_REHASH_COND], +[LB_CHECK_SYMBOL_EXPORT([d_rehash_cond], +[fs/dcache.c],[ +AC_DEFINE(HAVE_D_REHASH_COND, 1, + [d_rehash_cond is exported by the kernel]) +],[ +]) +]) + +AC_DEFUN([LC_EXPORT___D_REHASH], +[LB_CHECK_SYMBOL_EXPORT([__d_rehash], +[fs/dcache.c],[ +AC_DEFINE(HAVE___D_REHASH, 1, + [__d_rehash is exported by the kernel]) +],[ +]) +]) + +# The actual symbol exported varies among architectures, so we need +# to check many symbols (but only in the current architecture.) No +# matter what symbol is exported, the kernel #defines node_to_cpumask +# to the appropriate function and that's what we use. +AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK], + [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask], + [arch/$LINUX_ARCH/mm/numa.c], + [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, + [node_to_cpumask is exported by + the kernel])]) # x86_64 + LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask], + [arch/$LINUX_ARCH/kernel/smpboot.c], + [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, + [node_to_cpumask is exported by + the kernel])]) # ia64 + LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask], + [arch/$LINUX_ARCH/kernel/smpboot.c], + [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, + [node_to_cpumask is exported by + the kernel])]) # i386 + ]) + # -# LC_CONFIG_OBD_BUFFER_SIZE +# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP # -# the maximum buffer size of lctl ioctls +# Check for our patched grab_cache_page_nowait_gfp() function +# after 2.6.29 we can emulate this using add_to_page_cache_lru() # -AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE], -[AC_MSG_CHECKING([maximum OBD ioctl size]) -AC_ARG_WITH([obd-buffer-size], - AC_HELP_STRING([--with-obd-buffer-size=[size]], - [set lctl ioctl maximum bytes (default=8192)]), - [ - OBD_BUFFER_SIZE=$with_obd_buffer_size - ],[ - OBD_BUFFER_SIZE=8192 - ]) -AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes]) -AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size]) +AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP], +[LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp], +[mm/filemap.c],[ + AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1, + [kernel exports grab_cache_page_nowait_gfp]) + ], + [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru], + [mm/filemap.c],[ + AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1, + [kernel exports add_to_page_cache_lru]) + ],[ + ]) + ]) ]) # @@ -243,104 +378,25 @@ LB_LINUX_TRY_COMPILE([ ]) # -# LC_READLINK_SSIZE_T +# between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels # -AC_DEFUN([LC_READLINK_SSIZE_T], -[AC_MSG_CHECKING([if readlink returns ssize_t]) -AC_TRY_COMPILE([ - #include +AC_DEFUN([LC_FILEMAP_POPULATE], +[AC_MSG_CHECKING([for exported filemap_populate]) +LB_LINUX_TRY_COMPILE([ + #include + #include ],[ - ssize_t readlink(const char *, char *, size_t); + filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0); ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t]) + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate]) ],[ - AC_MSG_RESULT([no]) + AC_MSG_RESULT([no]) ]) ]) # -# LC_FUNC_MS_FLOCK_LOCK -# -# 2.6.5 kernel has MS_FLOCK_LOCK sb flag -# -AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK], -[AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - int flags = MS_FLOCK_LOCK; -],[ - AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1, - [kernel has MS_FLOCK_LOCK flag]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LC_FUNC_HAVE_CAN_SLEEP_ARG -# -# 2.6.5 kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait() -# -AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG], -[AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - int cansleep; - struct file *file; - struct file_lock *file_lock; - flock_lock_file_wait(file, file_lock, cansleep); -],[ - AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1, - [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LC_FUNC_RELEASEPAGE_WITH_GFP -# -# 2.6.9 ->releasepage() takes a gfp_t arg -# This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function, -# while others either don't have gfp_t or pass gfp_t as the parameter. -# -AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP], -[AC_MSG_CHECKING([if releasepage has a gfp_t parameter]) -RELEASEPAGE_WITH_GFP="$(grep -c 'releasepage.*gfp_t' $LINUX/include/linux/fs.h)" -if test "$RELEASEPAGE_WITH_GFP" != 0 ; then - AC_DEFINE(HAVE_RELEASEPAGE_WITH_GFP, 1, - [releasepage with gfp_t parameter]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi -]) - -# -# between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels -# -AC_DEFUN([LC_FILEMAP_POPULATE], -[AC_MSG_CHECKING([for exported filemap_populate]) -LB_LINUX_TRY_COMPILE([ - #include - #include -],[ - filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0); -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# added in 2.6.15 +# added in 2.6.15 # AC_DEFUN([LC_D_ADD_UNIQUE], [AC_MSG_CHECKING([for d_add_unique]) @@ -394,26 +450,6 @@ AC_DEFUN([LC_XATTR_ACL], []) ]) - -# added in 2.6.16 -# -AC_DEFUN([LC_STRUCT_INTENT_FILE], -[AC_MSG_CHECKING([if struct open_intent has a file field]) -LB_LINUX_TRY_COMPILE([ - #include - #include -],[ - struct open_intent intent; - &intent.file; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field]) -],[ - AC_MSG_RESULT([no]) -]) -]) - - # # After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead # @@ -436,20 +472,64 @@ $1 ]) ]) +AC_DEFUN([LC_CONST_ACL_SIZE], +[AC_MSG_CHECKING([calc acl size]) +tmp_flags="$CFLAGS" +CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include -include $AUTOCONF_HDIR/autoconf.h $EXTRA_KCFLAGS" +AC_TRY_RUN([ + #define __KERNEL__ + #include + #undef __KERNEL__ + // block include + #define __LINUX_POSIX_ACL_H + + # ifdef CONFIG_FS_POSIX_ACL + # ifdef HAVE_XATTR_ACL + # include + # endif + # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H + # include + # endif + # endif + + #include + + #include + + int main(void) + { + int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES); + FILE *f = fopen("acl.size","w+"); + fprintf(f,"%d", size); + fclose(f); + + return 0; + } +],[ + acl_size=`cat acl.size` + AC_MSG_RESULT([ACL size $acl_size]) + AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl]) +],[ + AC_ERROR([ACL size can't computed]) +]) +CFLAGS="$tmp_flags" +]) + +# added in 2.6.16 # -# only for Lustre-patched kernels -# -AC_DEFUN([LC_LUSTRE_VERSION_H], -[LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[ - rm -f "$LUSTRE/include/linux/lustre_version.h" +AC_DEFUN([LC_STRUCT_INTENT_FILE], +[AC_MSG_CHECKING([if struct open_intent has a file field]) +LB_LINUX_TRY_COMPILE([ + #include + #include ],[ - touch "$LUSTRE/include/linux/lustre_version.h" - if test x$enable_server = xyes ; then - AC_MSG_WARN([Unpatched kernel detected.]) - AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;]) - AC_MSG_WARN([disabling server build]) - enable_server='no' - fi + struct open_intent intent; + &intent.file; +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field]) +],[ + AC_MSG_RESULT([no]) ]) ]) @@ -480,27 +560,6 @@ AC_DEFUN([LC_CONFIG_RMTCLIENT], ]) ]) -AC_DEFUN([LC_SUNRPC_CACHE], -[AC_MSG_CHECKING([if sunrpc struct cache_head uses kref]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct cache_head ch; - &ch.ref.refcount; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -AC_DEFUN([LC_CONFIG_SUNRPC], -[LB_LINUX_CONFIG_IM([SUNRPC],[], - [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])]) - LC_SUNRPC_CACHE -]) - # # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled) # @@ -524,6 +583,27 @@ AC_DEFUN([LC_CONFIG_GSS_KEYRING], fi ]) +AC_DEFUN([LC_SUNRPC_CACHE], +[AC_MSG_CHECKING([if sunrpc struct cache_head uses kref]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + struct cache_head ch; + &ch.ref.refcount; +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +AC_DEFUN([LC_CONFIG_SUNRPC], +[LB_LINUX_CONFIG_IM([SUNRPC],[], + [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])]) + LC_SUNRPC_CACHE +]) + # # LC_CONFIG_GSS (default disabled) # @@ -564,95 +644,83 @@ AC_DEFUN([LC_CONFIG_GSS], fi ]) -# LC_EXPORT_SYNCHRONIZE_RCU -# after 2.6.12 synchronize_rcu is preferred over synchronize_kernel -AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU], -[LB_CHECK_SYMBOL_EXPORT([synchronize_rcu], -[kernel/rcupdate.c],[ - AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1, - [in 2.6.12 synchronize_rcu preferred over synchronize_kernel]) -],[ -]) -]) - -# LC_INODE_I_MUTEX -# after 2.6.15 inode have i_mutex intead of i_sem -AC_DEFUN([LC_INODE_I_MUTEX], -[AC_MSG_CHECKING([if inode has i_mutex ]) +# +# LC_FUNC_HAVE_CAN_SLEEP_ARG +# +# 2.6.5 kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait() +# +AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG], +[AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()]) LB_LINUX_TRY_COMPILE([ - #include - #include - #undef i_mutex + #include ],[ - struct inode i; - - mutex_unlock(&i.i_mutex); + int cansleep; + struct file *file; + struct file_lock *file_lock; + flock_lock_file_wait(file, file_lock, cansleep); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_INODE_I_MUTEX, 1, - [after 2.6.15 inode have i_mutex intead of i_sem]) + AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1, + [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()]) + AC_MSG_RESULT([yes]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT([no]) ]) ]) -# LC_SEQ_LOCK -# after 2.6.18 seq_file has lock intead of sem -AC_DEFUN([LC_SEQ_LOCK], -[AC_MSG_CHECKING([if struct seq_file has lock field]) +# +# LC_FUNC_F_OP_FLOCK +# +# rhel4.2 kernel has f_op->flock field +# +AC_DEFUN([LC_FUNC_F_OP_FLOCK], +[AC_MSG_CHECKING([if struct file_operations has flock field]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - struct seq_file seq; - - mutex_unlock(&seq.lock); + struct file_operations ll_file_operations_flock; + ll_file_operations_flock.flock = NULL; ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SEQ_LOCK, 1, - [after 2.6.18 seq_file has lock intead of sem]) + AC_DEFINE(HAVE_F_OP_FLOCK, 1, + [struct file_operations has flock field]) + AC_MSG_RESULT([yes]) ],[ - AC_MSG_RESULT(NO) + AC_MSG_RESULT([no]) ]) ]) -# LC_DQUOTOFF_MUTEX -# after 2.6.17 dquote use mutex instead if semaphore -AC_DEFUN([LC_DQUOTOFF_MUTEX], -[AC_MSG_CHECKING([use dqonoff_mutex]) +AC_DEFUN([LC_QUOTA_READ], +[AC_MSG_CHECKING([if kernel supports quota_read]) LB_LINUX_TRY_COMPILE([ - #include #include - #include ],[ - struct quota_info dq; - - mutex_unlock(&dq.dqonoff_mutex); + struct super_operations sp; + void *i = (void *)sp.quota_read; ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1, - [after 2.6.17 dquote use mutex instead if semaphore]) + AC_MSG_RESULT([yes]) + AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT([no]) ]) ]) -# LC_FLUSH_OWNER_ID -# starting from 2.6.18 the file_operations .flush -# method has a new "fl_owner_t id" parameter # -AC_DEFUN([LC_FLUSH_OWNER_ID], -[AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id]) +# LC_COOKIE_FOLLOW_LINK +# +# kernel 2.6.13+ ->follow_link returns a cookie +# + +AC_DEFUN([LC_COOKIE_FOLLOW_LINK], +[AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie]) LB_LINUX_TRY_COMPILE([ #include + #include ],[ - struct file_operations *fops = NULL; - fl_owner_t id; - int i; + struct dentry dentry; + struct nameidata nd; - i = fops->flush(NULL, id); + dentry.d_inode->i_op->put_link(&dentry, &nd, NULL); ],[ - AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1, - [file_operations .flush method has an fl_owner_t id]) + AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) @@ -660,94 +728,184 @@ LB_LINUX_TRY_COMPILE([ ]) # -# LC_STATFS_DENTRY_PARAM -# starting from 2.6.18 linux kernel uses dentry instead of -# super_block for first vfs_statfs argument +# LC_FUNC_RCU # -AC_DEFUN([LC_STATFS_DENTRY_PARAM], -[AC_MSG_CHECKING([first vfs_statfs parameter is dentry]) +# kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE), +# call_rcu takes three parameters. +# +AC_DEFUN([LC_FUNC_RCU], +[AC_MSG_CHECKING([if kernel have RCU supported]) LB_LINUX_TRY_COMPILE([ - #include -],[ - int vfs_statfs(struct dentry *, struct kstatfs *); + #include +],[],[ + AC_DEFINE(HAVE_RCU, 1, [have RCU defined]) + AC_MSG_RESULT([yes]) + + AC_MSG_CHECKING([if call_rcu takes three parameters]) + LB_LINUX_TRY_COMPILE([ + #include + ],[ + struct rcu_head rh; + call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL); + ],[ + AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters]) + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + ]) + ],[ - AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1, - [first parameter of vfs_statfs is dentry]) + AC_MSG_RESULT([no]) +]) +]) + +AC_DEFUN([LC_PERCPU_COUNTER], +[AC_MSG_CHECKING([if have struct percpu_counter defined]) +LB_LINUX_TRY_COMPILE([ + #include +],[],[ + AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found]) AC_MSG_RESULT([yes]) + + AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument]) + LB_LINUX_TRY_COMPILE([ + #include + ],[ + struct percpu_counter c; + percpu_counter_init(&c, 0); + ],[ + AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two + arguments]) + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + ]) ],[ AC_MSG_RESULT([no]) ]) ]) -# -# LC_VFS_KERN_MOUNT -# starting from 2.6.18 kernel don't export do_kern_mount -# and want to use vfs_kern_mount instead. -# -AC_DEFUN([LC_VFS_KERN_MOUNT], -[AC_MSG_CHECKING([vfs_kern_mount exist in kernel]) +AC_DEFUN([LC_TASK_CLENV_STORE], +[ + AC_MSG_CHECKING([if we can store cl_env in task_struct]) + if test x$have_task_clenv_store != xyes ; then + LC_TASK_CLENV_TUX_INFO + fi +]) + +# ~2.6.11 + +AC_DEFUN([LC_S_TIME_GRAN], +[AC_MSG_CHECKING([if super block has s_time_gran member]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - vfs_kern_mount(NULL, 0, NULL, NULL); + struct super_block sb; + + return sb.s_time_gran; ],[ - AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1, - [vfs_kern_mount exist in kernel]) - AC_MSG_RESULT([yes]) + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member]) ],[ AC_MSG_RESULT([no]) ]) ]) -# -# LC_INVALIDATEPAGE_RETURN_INT -# 2.6.17 changes return type for invalidatepage to 'void' from 'int' -# -AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT], -[AC_MSG_CHECKING([invalidatepage has return int]) +AC_DEFUN([LC_SB_TIME_GRAN], +[AC_MSG_CHECKING([if kernel has old get_sb_time_gran]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - int rc = block_invalidatepage(NULL, 0); + return get_sb_time_gran(NULL); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1, - [Define if return type of invalidatepage should be int]) + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT([no]) ]) ]) -# LC_UMOUNTBEGIN_HAS_VFSMOUNT -# after 2.6.18 umount_begin has different parameters -AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT], -[AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block]) +# 2.6.12 + +# ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock +AC_DEFUN([LC_RW_TREE_LOCK], +[AC_MSG_CHECKING([if kernel has tree_lock as rwlock]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ + #include +],[ + struct address_space a; + + write_lock(&a.tree_lock); +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock]) +],[ + AC_MSG_RESULT([no]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) + +# LC_EXPORT_SYNCHRONIZE_RCU +# after 2.6.12 synchronize_rcu is preferred over synchronize_kernel +AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU], +[LB_CHECK_SYMBOL_EXPORT([synchronize_rcu], +[kernel/rcupdate.c],[ + AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1, + [in 2.6.12 synchronize_rcu preferred over synchronize_kernel]) +],[ +]) +]) + +# 2.6.15 + +# LC_INODE_I_MUTEX +# after 2.6.15 inode have i_mutex intead of i_sem +AC_DEFUN([LC_INODE_I_MUTEX], +[AC_MSG_CHECKING([if inode has i_mutex ]) +LB_LINUX_TRY_COMPILE([ + #include #include + #undef i_mutex +],[ + struct inode i; - struct vfsmount; - static void cfg_umount_begin (struct vfsmount *v, int flags) - { - ; - } + mutex_unlock(&i.i_mutex); +],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_I_MUTEX, 1, + [after 2.6.15 inode have i_mutex intead of i_sem]) +],[ + AC_MSG_RESULT(no) +]) +]) - static struct super_operations cfg_super_operations = { - .umount_begin = cfg_umount_begin, - }; +# 2.6.16 + +# LC_SECURITY_PLUG # for SLES10 SP2 +# check security plug in sles10 sp2 kernel +AC_DEFUN([LC_SECURITY_PLUG], +[AC_MSG_CHECKING([If kernel has security plug support]) +LB_LINUX_TRY_COMPILE([ + #include ],[ - cfg_super_operations.umount_begin(NULL,0); + struct dentry *dentry; + struct vfsmount *mnt; + struct iattr *iattr; + + notify_change(dentry, mnt, iattr); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1, - [Define umount_begin need second argument]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SECURITY_PLUG, 1, + [SLES10 SP2 use extra parameter in vfs]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT(no) ]) -EXTRA_KCFLAGS="$tmp_flags" ]) +# 2.6.17 + # inode have i_private field since 2.6.17 AC_DEFUN([LC_INODE_IPRIVATE], [AC_MSG_CHECKING([if inode has a i_private field]) @@ -765,154 +923,211 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -# 2.6.19 API changes -# inode don't have i_blksize field -AC_DEFUN([LC_INODE_BLKSIZE], -[AC_MSG_CHECKING([inode has i_blksize field]) +# LC_DQUOTOFF_MUTEX +# after 2.6.17 dquote use mutex instead if semaphore +AC_DEFUN([LC_DQUOTOFF_MUTEX], +[AC_MSG_CHECKING([use dqonoff_mutex]) LB_LINUX_TRY_COMPILE([ -#include + #include + #include + #include ],[ - struct inode i; - i.i_blksize = 0; + struct quota_info dq; + + mutex_unlock(&dq.dqonoff_mutex); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_INODE_BLKSIZE, 1, - [struct inode has i_blksize field]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1, + [after 2.6.17 dquote use mutex instead if semaphore]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT(no) ]) ]) -# LC_VFS_READDIR_U64_INO -# 2.6.19 use u64 for inode number instead of inode_t -AC_DEFUN([LC_VFS_READDIR_U64_INO], -[AC_MSG_CHECKING([check vfs_readdir need 64bit inode number]) -tmp_flags="$EXTRA_KCFLAGS" -EXTRA_KCFLAGS="-Werror" +# 2.6.18 + +# LC_NR_PAGECACHE +# 2.6.18 don't export nr_pagecahe +AC_DEFUN([LC_NR_PAGECACHE], +[AC_MSG_CHECKING([kernel export nr_pagecache]) LB_LINUX_TRY_COMPILE([ -#include - int fillonedir(void * __buf, const char * name, int namlen, loff_t offset, - u64 ino, unsigned int d_type) - { - return 0; - } + #include ],[ - filldir_t filter; - - filter = fillonedir; - return 1; + return atomic_read(&nr_pagecache); ],[ AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1, - [if vfs_readdir need 64bit inode number]) + AC_DEFINE(HAVE_NR_PAGECACHE, 1, + [is kernel export nr_pagecache]) ],[ AC_MSG_RESULT(no) ]) -EXTRA_KCFLAGS="$tmp_flags" ]) -# LC_FILE_WRITEV -# 2.6.19 replaced writev with aio_write -AC_DEFUN([LC_FILE_WRITEV], -[AC_MSG_CHECKING([writev in fops]) +# +# LC_STATFS_DENTRY_PARAM +# starting from 2.6.18 linux kernel uses dentry instead of +# super_block for first vfs_statfs argument +# +AC_DEFUN([LC_STATFS_DENTRY_PARAM], +[AC_MSG_CHECKING([first vfs_statfs parameter is dentry]) LB_LINUX_TRY_COMPILE([ #include ],[ - struct file_operations *fops = NULL; - fops->writev = NULL; + int vfs_statfs(struct dentry *, struct kstatfs *); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_FILE_WRITEV, 1, - [use fops->writev]) + AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1, + [first parameter of vfs_statfs is dentry]) + AC_MSG_RESULT([yes]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT([no]) ]) ]) -# LC_GENERIC_FILE_READ -# 2.6.19 replaced readv with aio_read -AC_DEFUN([LC_FILE_READV], -[AC_MSG_CHECKING([readv in fops]) +# +# LC_VFS_KERN_MOUNT +# starting from 2.6.18 kernel don't export do_kern_mount +# and want to use vfs_kern_mount instead. +# +AC_DEFUN([LC_VFS_KERN_MOUNT], +[AC_MSG_CHECKING([vfs_kern_mount exist in kernel]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - struct file_operations *fops = NULL; - fops->readv = NULL; + vfs_kern_mount(NULL, 0, NULL, NULL); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_FILE_READV, 1, - [use fops->readv]) + AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1, + [vfs_kern_mount exist in kernel]) + AC_MSG_RESULT([yes]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT([no]) ]) ]) -# LC_NR_PAGECACHE -# 2.6.18 don't export nr_pagecahe -AC_DEFUN([LC_NR_PAGECACHE], -[AC_MSG_CHECKING([kernel export nr_pagecache]) +# +# LC_INVALIDATEPAGE_RETURN_INT +# 2.6.17 changes return type for invalidatepage to 'void' from 'int' +# +AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT], +[AC_MSG_CHECKING([invalidatepage has return int]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - return atomic_read(&nr_pagecache); + int rc = block_invalidatepage(NULL, 0); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_NR_PAGECACHE, 1, - [is kernel export nr_pagecache]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1, + [Define if return type of invalidatepage should be int]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT(no) ]) ]) -# LC_CANCEL_DIRTY_PAGE -# 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty. -AC_DEFUN([LC_CANCEL_DIRTY_PAGE], - [AC_MSG_CHECKING([kernel has cancel_dirty_page]) - # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2 - # backport is broken, so ignore it - if test -f $OFED_BACKPORT_PATH/linux/mm.h && - test "$(sed -ne '/^static inline void cancel_dirty_page(struct page \*page, unsigned int account_size)$/,/^}$/p' $OFED_BACKPORT_PATH/linux/mm.h | md5sum)" = "c518cb32d6394760c5bca14cb7538d3e -"; then - AC_MSG_RESULT(no) - else - LB_LINUX_TRY_COMPILE([ - #include - #include +# LC_UMOUNTBEGIN_HAS_VFSMOUNT +# after 2.6.18 umount_begin has different parameters +AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT], +[AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block]) +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_LINUX_TRY_COMPILE([ + #include + + struct vfsmount; + static void cfg_umount_begin (struct vfsmount *v, int flags) + { + ; + } + + static struct super_operations cfg_super_operations = { + .umount_begin = cfg_umount_begin, + }; ],[ - cancel_dirty_page(NULL, 0); + cfg_super_operations.umount_begin(NULL,0); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1, - [kernel has cancel_dirty_page instead of clear_page_dirty]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1, + [Define umount_begin need second argument]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT(no) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) + +# LC_SEQ_LOCK +# after 2.6.18 seq_file has lock intead of sem +AC_DEFUN([LC_SEQ_LOCK], +[AC_MSG_CHECKING([if struct seq_file has lock field]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + struct seq_file seq; + + mutex_unlock(&seq.lock); +],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SEQ_LOCK, 1, + [after 2.6.18 seq_file has lock intead of sem]) +],[ + AC_MSG_RESULT(NO) ]) - fi ]) # -# LC_PAGE_CONSTANT +# LC_EXPORT_FILEMAP_FDATAWRITE_RANGE # -# In order to support raid5 zerocopy patch, we have to patch the kernel to make -# it support constant page, which means the page won't be modified during the -# IO. +# No standard kernels export this # -AC_DEFUN([LC_PAGE_CONSTANT], -[AC_MSG_CHECKING([if kernel have PageConstant defined]) +AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE], +[LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range], +[mm/filemap.c],[ +AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1, + [filemap_fdatawrite_range is exported by the kernel]) +],[ +]) +]) + +# LC_FLUSH_OWNER_ID +# starting from 2.6.18 the file_operations .flush +# method has a new "fl_owner_t id" parameter +# +AC_DEFUN([LC_FLUSH_OWNER_ID], +[AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id]) LB_LINUX_TRY_COMPILE([ - #include - #include + #include ],[ - #ifndef PG_constant - #error "Have no raid5 zcopy patch" - #endif + struct file_operations *fops = NULL; + fl_owner_t id; + int i; + + i = fops->flush(NULL, id); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported]) + AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1, + [file_operations .flush method has an fl_owner_t id]) + AC_MSG_RESULT([yes]) ],[ - AC_MSG_RESULT(no); + AC_MSG_RESULT([no]) ]) ]) +# +# LC_EXPORT_INVALIDATE_MAPPING_PAGES +# +# SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but +# SLES10 2.6.16 does not, for some reason. For filter cache invalidation. +# +AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES], + [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [ + AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1, + [exported invalidate_mapping_pages])], + [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [ + AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1, + [exported invalidate_inode_pages])], [ + AC_MSG_ERROR([no way to invalidate pages]) + ]) + ],[]) +]) + +#2.6.18 + RHEL5 (fc6) + # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc AC_DEFUN([LC_PG_FS_MISC], [AC_MSG_CHECKING([kernel has PG_fs_misc]) @@ -936,7 +1151,6 @@ LB_LINUX_TRY_COMPILE([ AC_DEFUN([LC_PAGE_CHECKED], [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked]) LB_LINUX_TRY_COMPILE([ - #include #ifdef HAVE_LINUX_MMTYPES_H #include #endif @@ -959,494 +1173,181 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE], -[LB_CHECK_SYMBOL_EXPORT([truncate_complete_page], -[mm/truncate.c],[ -AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1, - [kernel export truncate_complete_page]) -],[ -]) +# +# LC_LINUX_FIEMAP_H +# +# If we have fiemap.h +# after 2.6.27 use fiemap.h in include/linux +# +AC_DEFUN([LC_LINUX_FIEMAP_H], +[LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[ + AC_MSG_CHECKING([if fiemap.h can be compiled]) + LB_LINUX_TRY_COMPILE([ + #include + #include + ],[],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h]) + ],[ + AC_MSG_RESULT([no]) + ]) +], +[]) ]) -AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE], -[LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range], -[mm/truncate.c],[ -AC_DEFINE(HAVE_TRUNCATE_RANGE, 1, - [kernel export truncate_inode_pages_range]) -],[ -]) -]) +# 2.6.19 -AC_DEFUN([LC_EXPORT_D_REHASH_COND], -[LB_CHECK_SYMBOL_EXPORT([d_rehash_cond], -[fs/dcache.c],[ -AC_DEFINE(HAVE_D_REHASH_COND, 1, - [d_rehash_cond is exported by the kernel]) +# 2.6.19 API changes +# inode don't have i_blksize field +AC_DEFUN([LC_INODE_BLKSIZE], +[AC_MSG_CHECKING([inode has i_blksize field]) +LB_LINUX_TRY_COMPILE([ +#include +],[ + struct inode i; + i.i_blksize = 0; +],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_BLKSIZE, 1, + [struct inode has i_blksize field]) ],[ + AC_MSG_RESULT(no) ]) ]) -AC_DEFUN([LC_EXPORT___D_REHASH], -[LB_CHECK_SYMBOL_EXPORT([__d_rehash], -[fs/dcache.c],[ -AC_DEFINE(HAVE___D_REHASH, 1, - [__d_rehash is exported by the kernel]) -],[ -]) -]) - -AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED], -[LB_CHECK_SYMBOL_EXPORT([d_move_locked], -[fs/dcache.c],[ -AC_DEFINE(HAVE_D_MOVE_LOCKED, 1, - [d_move_locked is exported by the kernel]) -],[ -]) -]) - -AC_DEFUN([LC_EXPORT___D_MOVE], -[LB_CHECK_SYMBOL_EXPORT([__d_move], -[fs/dcache.c],[ -AC_DEFINE(HAVE___D_MOVE, 1, - [__d_move is exported by the kernel]) -],[ -]) -]) - -# -# LC_EXPORT_INVALIDATE_MAPPING_PAGES -# -# SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but -# SLES10 2.6.16 does not, for some reason. For filter cache invalidation. -# -AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES], - [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [ - AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1, - [exported invalidate_mapping_pages])], - [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [ - AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1, - [exported invalidate_inode_pages])], [ - AC_MSG_ERROR([no way to invalidate pages]) - ]) - ],[]) -]) - -# -# LC_EXPORT_FILEMAP_FDATASYNC_RANGE -# -# No standard kernels export this -# -AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE], -[LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range], -[mm/filemap.c],[ -AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1, - [filemap_fdatawrite_range is exported by the kernel]) -],[ -]) -]) - -# The actual symbol exported varies among architectures, so we need -# to check many symbols (but only in the current architecture.) No -# matter what symbol is exported, the kernel #defines node_to_cpumask -# to the appropriate function and that's what we use. -AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK], - [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask], - [arch/$LINUX_ARCH/mm/numa.c], - [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, - [node_to_cpumask is exported by - the kernel])]) # x86_64 - LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask], - [arch/$LINUX_ARCH/kernel/smpboot.c], - [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, - [node_to_cpumask is exported by - the kernel])]) # ia64 - LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask], - [arch/$LINUX_ARCH/kernel/smpboot.c], - [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, - [node_to_cpumask is exported by - the kernel])]) # i386 - ]) - -# 2.6.22 lost second parameter for invalidate_bdev -AC_DEFUN([LC_INVALIDATE_BDEV_2ARG], -[AC_MSG_CHECKING([if invalidate_bdev has second argument]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - invalidate_bdev(NULL,0); -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1, - [invalidate_bdev has second argument]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.18 - - -# 2.6.23 have return type 'void' for unregister_blkdev -AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT], -[AC_MSG_CHECKING([if unregister_blkdev return int]) +# LC_VFS_READDIR_U64_INO +# 2.6.19 use u64 for inode number instead of inode_t +AC_DEFUN([LC_VFS_READDIR_U64_INO], +[AC_MSG_CHECKING([check vfs_readdir need 64bit inode number]) +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ - #include -],[ - int i = unregister_blkdev(0,NULL); -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1, - [unregister_blkdev return int]) +#include + int fillonedir(void * __buf, const char * name, int namlen, loff_t offset, + u64 ino, unsigned int d_type) + { + return 0; + } ],[ - AC_MSG_RESULT([no]) -]) -]) + filldir_t filter; -# 2.6.23 change .sendfile to .splice_read -# RHEL4 (-92 kernel) have both sendfile and .splice_read API -AC_DEFUN([LC_KERNEL_SENDFILE], -[AC_MSG_CHECKING([if kernel has .sendfile]) -LB_LINUX_TRY_COMPILE([ - #include + filter = fillonedir; + return 1; ],[ - struct file_operations file; - - file.sendfile = NULL; -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_KERNEL_SENDFILE, 1, - [kernel has .sendfile]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1, + [if vfs_readdir need 64bit inode number]) ],[ - AC_MSG_RESULT([no]) + AC_MSG_RESULT(no) ]) +EXTRA_KCFLAGS="$tmp_flags" ]) -# 2.6.23 change .sendfile to .splice_read -AC_DEFUN([LC_KERNEL_SPLICE_READ], -[AC_MSG_CHECKING([if kernel has .splice_read]) +# LC_FILE_WRITEV +# 2.6.19 replaced writev with aio_write +AC_DEFUN([LC_FILE_WRITEV], +[AC_MSG_CHECKING([writev in fops]) LB_LINUX_TRY_COMPILE([ #include ],[ - struct file_operations file; - - file.splice_read = NULL; -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1, - [kernel has .slice_read]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.23 extract nfs export related data into exportfs.h -AC_DEFUN([LC_HAVE_EXPORTFS_H], -[LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [ - AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1, - [kernel has include/exportfs.h]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.23 has new page fault handling API -AC_DEFUN([LC_VM_OP_FAULT], -[AC_MSG_CHECKING([kernel has .fault in vm_operation_struct]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct vm_operations_struct op; - - op.fault = NULL; -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_VM_OP_FAULT, 1, - [kernel has .fault in vm_operation_struct]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -#2.6.23 has new shrinker API -AC_DEFUN([LC_REGISTER_SHRINKER], -[AC_MSG_CHECKING([if kernel has register_shrinker]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - register_shrinker(NULL); -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_REGISTER_SHRINKER, 1, - [kernel has register_shrinker]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.23 add code to wait other users to complete before removing procfs entry -AC_DEFUN([LC_PROCFS_USERS], -[AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct proc_dir_entry pde; - - pde.pde_users = 0; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_PROCFS_USERS, 1, - [kernel has pde_users member in procfs entry struct]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.24 has bio_endio with 2 args -AC_DEFUN([LC_BIO_ENDIO_2ARG], -[AC_MSG_CHECKING([if kernel has bio_endio with 2 args]) -LB_LINUX_TRY_COMPILE([ - #include + struct file_operations *fops = NULL; + fops->writev = NULL; ],[ - bio_endio(NULL, 0); -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1, - [kernel has bio_endio with 2 args]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FILE_WRITEV, 1, + [use fops->writev]) ],[ - AC_MSG_RESULT([no]) + AC_MSG_RESULT(no) ]) ]) -# 2.6.24 has new members in exports struct. -AC_DEFUN([LC_FH_TO_DENTRY], -[AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct]) +# LC_FILE_READV +# 2.6.19 replaced readv with aio_read +AC_DEFUN([LC_FILE_READV], +[AC_MSG_CHECKING([readv in fops]) LB_LINUX_TRY_COMPILE([ -#ifdef HAVE_LINUX_EXPORTFS_H - #include -#else #include -#endif ],[ - struct export_operations exp; - - exp.fh_to_dentry = NULL; -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_FH_TO_DENTRY, 1, - [kernel has .fh_to_dentry member in export_operations struct]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.24 need linux/mm_types.h included -AC_DEFUN([LC_HAVE_MMTYPES_H], -[LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [ - AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1, - [kernel has include/mm_types.h]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.24 removes long aged procfs entry -> deleted member -AC_DEFUN([LC_PROCFS_DELETED], -[AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct proc_dir_entry pde; - - pde.deleted = NULL; -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_PROCFS_DELETED, 1, - [kernel has deleted member in procfs entry struct]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.25 change define to inline -AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY], -[AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - #ifndef mapping_cap_writeback_dirty - mapping_cap_writeback_dirty(NULL); - #endif -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1, - [kernel have mapping_cap_writeback_dirty]) -],[ - AC_MSG_RESULT([no]) -]) -]) - - - -# 2.6.26 isn't export set_fs_pwd and change paramter in fs struct -AC_DEFUN([LC_FS_STRUCT_USE_PATH], -[AC_MSG_CHECKING([fs_struct use path structure]) -LB_LINUX_TRY_COMPILE([ - #include - #include - #include + struct file_operations *fops = NULL; + fops->readv = NULL; ],[ - struct path path; - struct fs_struct fs; - - fs.pwd = path; -], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1, - [fs_struct use path structure]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FILE_READV, 1, + [use fops->readv]) ],[ - AC_MSG_RESULT([no]) + AC_MSG_RESULT(no) ]) ]) -# -# LC_VFS_INTENT_PATCHES -# -# check if the kernel has the VFS intent patches -AC_DEFUN([LC_VFS_INTENT_PATCHES], -[AC_MSG_CHECKING([if the kernel has the VFS intent patches]) -LB_LINUX_TRY_COMPILE([ - #include - #include -],[ - struct nameidata nd; - struct lookup_intent *it; - - it = &nd.intent; - intent_init(it, IT_OPEN); - it->d.lustre.it_disposition = 0; - it->d.lustre.it_data = NULL; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied]) -],[ - AC_MSG_RESULT([no]) -]) -]) +# 2.6.20 -AC_DEFUN([LC_S_TIME_GRAN], -[AC_MSG_CHECKING([if super block has s_time_gran member]) -LB_LINUX_TRY_COMPILE([ - #include +# LC_CANCEL_DIRTY_PAGE +# 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty. +AC_DEFUN([LC_CANCEL_DIRTY_PAGE], + [AC_MSG_CHECKING([kernel has cancel_dirty_page]) + # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2 + # backport is broken, so ignore it + if test -f $OFED_BACKPORT_PATH/linux/mm.h && + test "$(sed -ne '/^static inline void cancel_dirty_page(struct page \*page, unsigned int account_size)$/,/^}$/p' $OFED_BACKPORT_PATH/linux/mm.h | md5sum)" = "c518cb32d6394760c5bca14cb7538d3e -"; then + AC_MSG_RESULT(no) + else + LB_LINUX_TRY_COMPILE([ + #include + #include ],[ - struct super_block sb; - - return sb.s_time_gran; + cancel_dirty_page(NULL, 0); ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1, + [kernel has cancel_dirty_page instead of clear_page_dirty]) ],[ - AC_MSG_RESULT([no]) + AC_MSG_RESULT(no) ]) + fi ]) -AC_DEFUN([LC_SB_TIME_GRAN], -[AC_MSG_CHECKING([if kernel has old get_sb_time_gran]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - return get_sb_time_gran(NULL); -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran]) -],[ - AC_MSG_RESULT([no]) -]) -]) +# raid5-zerocopy patch # -# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP -# -# Check for our patched grab_cache_page_nowait_gfp() function -# after 2.6.29 we can emulate this using add_to_page_cache_lru() +# LC_PAGE_CONSTANT # -AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP], -[LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp], -[mm/filemap.c],[ - AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1, - [kernel exports grab_cache_page_nowait_gfp]) - ], - [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru], - [mm/filemap.c],[ - AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1, - [kernel exports add_to_page_cache_lru]) - ],[ - ]) - ]) -]) - -# ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock -AC_DEFUN([LC_RW_TREE_LOCK], -[AC_MSG_CHECKING([if kernel has tree_lock as rwlock]) -tmp_flags="$EXTRA_KCFLAGS" -EXTRA_KCFLAGS="-Werror" +# In order to support raid5 zerocopy patch, we have to patch the kernel to make +# it support constant page, which means the page won't be modified during the +# IO. +# +AC_DEFUN([LC_PAGE_CONSTANT], +[AC_MSG_CHECKING([if kernel have PageConstant defined]) LB_LINUX_TRY_COMPILE([ - #include + #include + #include ],[ - struct address_space a; - - write_lock(&a.tree_lock); + #ifndef PG_constant + #error "Have no raid5 zcopy patch" + #endif ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock]) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported]) ],[ - AC_MSG_RESULT([no]) + AC_MSG_RESULT(no); ]) -EXTRA_KCFLAGS="$tmp_flags" ]) -AC_DEFUN([LC_CONST_ACL_SIZE], -[AC_MSG_CHECKING([calc acl size]) -tmp_flags="$CFLAGS" -CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include $EXTRA_KCFLAGS" -AC_TRY_RUN([ -#define __KERNEL__ -#include -#include -#undef __KERNEL__ -// block include -#define __LINUX_POSIX_ACL_H - -# ifdef CONFIG_FS_POSIX_ACL -# ifdef HAVE_XATTR_ACL -# include -# endif -# ifdef HAVE_LINUX_POSIX_ACL_XATTR_H -# include -# endif -# endif - -#include - -#include - -int main(void) -{ - int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES); - FILE *f = fopen("acl.size","w+"); - fprintf(f,"%d", size); - fclose(f); - - return 0; -} +# 2.6.22 +# 2.6.22 lost second parameter for invalidate_bdev +AC_DEFUN([LC_INVALIDATE_BDEV_2ARG], +[AC_MSG_CHECKING([if invalidate_bdev has second argument]) +LB_LINUX_TRY_COMPILE([ + #include ],[ - acl_size=`cat acl.size` - AC_MSG_RESULT([ACL size $acl_size]) - AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl]) + invalidate_bdev(NULL,0); ],[ - AC_ERROR([ACL size can't computed]) + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1, + [invalidate_bdev has second argument]) +],[ + AC_MSG_RESULT([no]) ]) -CFLAGS="$tmp_flags" ]) # @@ -1521,61 +1422,240 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -# -# LC_FUNC_F_OP_FLOCK -# -# rhel4.2 kernel has f_op->flock field -# -AC_DEFUN([LC_FUNC_F_OP_FLOCK], -[AC_MSG_CHECKING([if struct file_operations has flock field]) +# 2.6.23 + +# 2.6.23 have return type 'void' for unregister_blkdev +AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT], +[AC_MSG_CHECKING([if unregister_blkdev return int]) LB_LINUX_TRY_COMPILE([ #include ],[ - struct file_operations ll_file_operations_flock; - ll_file_operations_flock.flock = NULL; + int i = unregister_blkdev(0,NULL); ],[ - AC_DEFINE(HAVE_F_OP_FLOCK, 1, - [struct file_operations has flock field]) AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1, + [unregister_blkdev return int]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.23 change .sendfile to .splice_read +AC_DEFUN([LC_KERNEL_SPLICE_READ], +[AC_MSG_CHECKING([if kernel has .splice_read]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + struct file_operations file; + + file.splice_read = NULL; +], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1, + [kernel has .slice_read]) ],[ AC_MSG_RESULT([no]) ]) ]) -# vfs_symlink seems to have started out with 3 args until 2.6.7 where a -# "mode" argument was added, but then again, in some later version it was -# removed -AC_DEFUN([LC_4ARGS_VFS_SYMLINK], -[AC_MSG_CHECKING([if vfs_symlink wants 4 args]) +# 2.6.23 change .sendfile to .splice_read +# RHEL4 (-92 kernel) have both sendfile and .splice_read API +AC_DEFUN([LC_KERNEL_SENDFILE], +[AC_MSG_CHECKING([if kernel has .sendfile]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - struct inode *dir; - struct dentry *dentry; - const char *oldname = NULL; - int mode = 0; + struct file_operations file; - vfs_symlink(dir, dentry, oldname, mode); + file.sendfile = NULL; +], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_KERNEL_SENDFILE, 1, + [kernel has .sendfile]) ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1, - [vfs_symlink wants 4 args]) + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.23 extract nfs export related data into exportfs.h +AC_DEFUN([LC_HAVE_EXPORTFS_H], +[LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [ + AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1, + [kernel has include/exportfs.h]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.23 has new page fault handling API +AC_DEFUN([LC_VM_OP_FAULT], +[AC_MSG_CHECKING([kernel has .fault in vm_operation_struct]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + struct vm_operations_struct op; + + op.fault = NULL; +], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_VM_OP_FAULT, 1, + [kernel has .fault in vm_operation_struct]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.23 add code to wait other users to complete before removing procfs entry +AC_DEFUN([LC_PROCFS_USERS], +[AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + struct proc_dir_entry pde; + + pde.pde_users = 0; +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_PROCFS_USERS, 1, + [kernel has pde_users member in procfs entry struct]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.23 exports exportfs_decode_fh +AC_DEFUN([LC_EXPORTFS_DECODE_FH], +[LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh], +[fs/exportfs/expfs.c],[ + AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1, + [exportfs_decode_fh has been export]) +],[ +]) +]) + +# 2.6.24 + +# 2.6.24 need linux/mm_types.h included +AC_DEFUN([LC_HAVE_MMTYPES_H], +[LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [ + AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1, + [kernel has include/mm_types.h]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.24 has bio_endio with 2 args +AC_DEFUN([LC_BIO_ENDIO_2ARG], +[AC_MSG_CHECKING([if kernel has bio_endio with 2 args]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + bio_endio(NULL, 0); +], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1, + [kernel has bio_endio with 2 args]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.24 has new members in exports struct. +AC_DEFUN([LC_FH_TO_DENTRY], +[AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct]) +LB_LINUX_TRY_COMPILE([ +#ifdef HAVE_LINUX_EXPORTFS_H + #include +#else + #include +#endif +],[ + struct export_operations exp; + + exp.fh_to_dentry = NULL; +], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_FH_TO_DENTRY, 1, + [kernel has .fh_to_dentry member in export_operations struct]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.24 removes long aged procfs entry -> deleted member +AC_DEFUN([LC_PROCFS_DELETED], +[AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + struct proc_dir_entry pde; + + pde.deleted = NULL; +], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_PROCFS_DELETED, 1, + [kernel has deleted member in procfs entry struct]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.24 has bdi_init()/bdi_destroy() functions. +AC_DEFUN([LC_EXPORT_BDI_INIT], +[LB_CHECK_SYMBOL_EXPORT([bdi_init], +[mm/backing-dev.c],[ + AC_DEFINE(HAVE_BDI_INIT, 1, + [bdi_init/bdi_destroy functions are present]) +],[ +]) +]) + +# 2.6.25 + +# 2.6.25 change define to inline +AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY], +[AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + #ifndef mapping_cap_writeback_dirty + mapping_cap_writeback_dirty(NULL); + #endif +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1, + [kernel have mapping_cap_writeback_dirty]) +],[ + AC_MSG_RESULT([no]) ]) ]) -# 2.6.23 has new shrinker API -AC_DEFUN([LC_REGISTER_SHRINKER], -[LB_CHECK_SYMBOL_EXPORT([register_shrinker], -[mm/vmscan.c],[ - AC_DEFINE(HAVE_REGISTER_SHRINKER, 1, - [kernel exports register_shrinker]) +# 2.6.26 + +# 2.6.26 isn't export set_fs_pwd and change paramter in fs struct +AC_DEFUN([LC_FS_STRUCT_USE_PATH], +[AC_MSG_CHECKING([fs_struct use path structure]) +LB_LINUX_TRY_COMPILE([ + #include + #include + #include +],[ + struct path path; + struct fs_struct fs; + + fs.pwd = path; +], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1, + [fs_struct use path structure]) ],[ + AC_MSG_RESULT([no]) ]) ]) -#2.6.27 +# 2.6.27 + AC_DEFUN([LC_INODE_PERMISION_2ARGS], [AC_MSG_CHECKING([inode_operations->permission has two args]) LB_LINUX_TRY_COMPILE([ @@ -1625,82 +1705,6 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -# vfs_symlink seems to have started out with 3 args until 2.6.7 where a -# "mode" argument was added, but then again, in some later version it was -# removed -AC_DEFUN([LC_4ARGS_VFS_SYMLINK], -[AC_MSG_CHECKING([if vfs_symlink wants 4 args]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct inode *dir; - struct dentry *dentry; - const char *oldname = NULL; - int mode = 0; - - vfs_symlink(dir, dentry, oldname, mode); -],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1, - [vfs_symlink wants 4 args]) -],[ - AC_MSG_RESULT(no) -]) -]) - -# 2.6.27 sles11 remove the bi_hw_segments -AC_DEFUN([LC_BI_HW_SEGMENTS], -[AC_MSG_CHECKING([struct bio has a bi_hw_segments field]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct bio io; - io.bi_hw_segments = 0; -],[ - AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1, - [struct bio has a bi_hw_segments field]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs -# 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota -AC_DEFUN([LC_HAVE_QUOTAIO_V1_H], -[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v1.h],[ - AC_DEFINE(HAVE_QUOTAIO_V1_H, 1, - [kernel has include/linux/quotaio_v1.h]) -],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v1.h],[ - AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_V1_H, 1, - [kernel has fs/quota/quotaio_v1.h]) -],[ - AC_MSG_RESULT([no]) -]) -]) -]) - -# sles10 sp2 need 5 parameter for vfs_symlink -AC_DEFUN([LC_VFS_SYMLINK_5ARGS], -[AC_MSG_CHECKING([vfs_symlink need 5 parameter]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct inode *dir = NULL; - struct dentry *dentry = NULL; - struct vfsmount *mnt = NULL; - const char * path = NULL; - vfs_symlink(dir, dentry, mnt, path, 0); -],[ - AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1, - [vfs_symlink need 5 parameteres]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) -]) - # 2.6.27 removed the read_inode from super_operations. AC_DEFUN([LC_READ_INODE_IN_SBOPS], [AC_MSG_CHECKING([super_operations has a read_inode field]) @@ -1718,38 +1722,6 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -# 2.6.27 sles11 has sb_any_quota_active -AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE], -[AC_MSG_CHECKING([Kernel has sb_any_quota_active]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - sb_any_quota_active(NULL); -],[ - AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1, - [Kernel has a sb_any_quota_active]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# 2.6.27 sles11 has sb_has_quota_active -AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE], -[AC_MSG_CHECKING([Kernel has sb_has_quota_active]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - sb_has_quota_active(NULL, 0); -],[ - AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1, - [Kernel has a sb_has_quota_active]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) -]) - # 2.6.27 has inode_permission instead of permisson AC_DEFUN([LC_EXPORT_INODE_PERMISSION], [LB_CHECK_SYMBOL_EXPORT([inode_permission], @@ -1809,28 +1781,6 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -# -# LC_LINUX_FIEMAP_H -# -# If we have fiemap.h -# after 2.6.27 use fiemap.h in include/linux -# -AC_DEFUN([LC_LINUX_FIEMAP_H], -[LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[ - AC_MSG_CHECKING([if fiemap.h can be compiled]) - LB_LINUX_TRY_COMPILE([ - #include - #include - ],[],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h]) - ],[ - AC_MSG_RESULT([no]) - ]) -], -[]) -]) - # LC_LOCK_MAP_ACQUIRE # after 2.6.27 lock_map_acquire replaces lock_acquire AC_DEFUN([LC_LOCK_MAP_ACQUIRE], @@ -1848,26 +1798,118 @@ LB_LINUX_TRY_COMPILE([ ]) ]) +# 2.6.27.15-2 sles11 + +# 2.6.27 sles11 remove the bi_hw_segments +AC_DEFUN([LC_BI_HW_SEGMENTS], +[AC_MSG_CHECKING([struct bio has a bi_hw_segments field]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + struct bio io; + io.bi_hw_segments = 0; +],[ + AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1, + [struct bio has a bi_hw_segments field]) + AC_MSG_RESULT([yes]) +],[ + AC_MSG_RESULT([no]) +]) +]) + # -# LC_D_OBTAIN_ALIAS -# starting from 2.6.28 kernel replaces d_alloc_anon() with -# d_obtain_alias() for getting anonymous dentries -# -AC_DEFUN([LC_D_OBTAIN_ALIAS], -[AC_MSG_CHECKING([d_obtain_alias exist in kernel]) +# 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs +# 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota +AC_DEFUN([LC_HAVE_QUOTAIO_H], +[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[ + AC_DEFINE(HAVE_QUOTAIO_H, 1, + [kernel has include/linux/quotaio_v2.h]) +],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[ + AC_DEFINE(HAVE_FS_QUOTAIO_H, 1, + [kernel has fs/quotaio_v1.h]) +],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[ + AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1, + [kernel has fs/quota/quotaio_v2.h]) +],[ + AC_MSG_RESULT([no]) +]) +]) +]) +]) + +# sles10 sp2 need 5 parameter for vfs_symlink +AC_DEFUN([LC_VFS_SYMLINK_5ARGS], +[AC_MSG_CHECKING([vfs_symlink need 5 parameter]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - d_obtain_alias(NULL); + struct inode *dir = NULL; + struct dentry *dentry = NULL; + struct vfsmount *mnt = NULL; + const char * path = NULL; + vfs_symlink(dir, dentry, mnt, path, 0); ],[ - AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1, - [d_obtain_alias exist in kernel]) + AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1, + [vfs_symlink need 5 parameteres]) + AC_MSG_RESULT([yes]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.27 sles11 has sb_any_quota_active +AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE], +[AC_MSG_CHECKING([Kernel has sb_any_quota_active]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + sb_any_quota_active(NULL); +],[ + AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1, + [Kernel has a sb_any_quota_active]) + AC_MSG_RESULT([yes]) +],[ + AC_MSG_RESULT([no]) +]) +]) + +# 2.6.27 sles11 has sb_has_quota_active +AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE], +[AC_MSG_CHECKING([Kernel has sb_has_quota_active]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + sb_has_quota_active(NULL, 0); +],[ + AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1, + [Kernel has a sb_has_quota_active]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) +# 2.6.27 exported add_to_page_cache_lru. +AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU], +[LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru], +[mm/filemap.c],[ + AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1, + [add_to_page_cache_lru functions are present]) +],[ +]) +]) + +# 2.6.31 + +# 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node +AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE], + [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map], + [arch/$LINUX_ARCH/mm/numa.c], + [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1, + [node_to_cpumask_map is exported by + the kernel])]) # x86_64 + ]) + # 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE], [AC_MSG_CHECKING([if blk_queue_logical_block_size is defined]) @@ -1884,6 +1926,8 @@ LB_LINUX_TRY_COMPILE([ ]) ]) +# 2.6.32 + # 2.6.32 add a limits member in struct request_queue. AC_DEFUN([LC_REQUEST_QUEUE_LIMITS], [AC_MSG_CHECKING([if request_queue has a limits field]) @@ -1901,24 +1945,34 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -# RHEL6(backport from 2.6.34) removes 2 functions blk_queue_max_phys_segments and -# blk_queue_max_hw_segments add blk_queue_max_segments -AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], -[AC_MSG_CHECKING([if blk_queue_max_segments is defined]) +# 2.6.32 has bdi_register() functions. +AC_DEFUN([LC_EXPORT_BDI_REGISTER], +[LB_CHECK_SYMBOL_EXPORT([bdi_register], +[mm/backing-dev.c],[ + AC_DEFINE(HAVE_BDI_REGISTER, 1, + [bdi_register function is present]) +],[ +]) +]) + +# 2.6.32 add s_bdi for super block +AC_DEFUN([LC_SB_BDI], +[AC_MSG_CHECKING([if super_block has s_bdi field]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - blk_queue_max_segments(NULL, 0); + struct super_block sb; + sb.s_bdi = NULL; ],[ AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1, - [blk_queue_max_segments is defined]) + AC_DEFINE(HAVE_SB_BDI, 1, + [super_block has s_bdi field]) ],[ AC_MSG_RESULT(no) ]) ]) -# RHEL6(backport from 2.6.34) removes blk_queue_max_sectors and add blk_queue_max_hw_sectors +# 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors # check blk_queue_max_sectors and use it until disappear. AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS], [AC_MSG_CHECKING([if blk_queue_max_sectors is defined]) @@ -1935,40 +1989,124 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -# 2.6.32 has new BDI interface. -AC_DEFUN([LC_NEW_BACKING_DEV_INFO], -[AC_MSG_CHECKING([if backing_dev_info has a wb_cnt field]) +# 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments +AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], +[AC_MSG_CHECKING([if blk_queue_max_segments is defined]) +LB_LINUX_TRY_COMPILE([ + #include +],[ + blk_queue_max_segments(NULL, 0); +],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1, + [blk_queue_max_segments is defined]) +],[ + AC_MSG_RESULT(no) +]) +]) + +# +# LC_QUOTA64 +# +# Check if kernel has been patched for 64-bit quota limits support. +# The upstream version of this patch in RHEL6 2.6.32 kernels introduces +# the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for +# that in the absence of quotaio_v1.h in the kernel headers. +# +AC_DEFUN([LC_QUOTA64],[ + AC_MSG_CHECKING([if kernel has 64-bit quota limits support]) +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-I$LINUX/fs" + LB_LINUX_TRY_COMPILE([ + #include + #include + #ifdef HAVE_QUOTAIO_H + # include + int versions[] = V2_INITQVERSIONS_R1; + struct v2_disk_dqblk_r1 dqblk_r1; + #elif defined(HAVE_FS_QUOTA_QUOTAIO_H) + # include + struct v2r1_disk_dqblk dqblk_r1; + #elif defined(HAVE_FS_QUOTAIO_H) + # include + struct v2r1_disk_dqblk dqblk_r1; + #else + #include + int ver = QFMT_VFS_V1; + #endif + ],[],[ + AC_DEFINE(HAVE_QUOTA64, 1, [have quota64]) + AC_MSG_RESULT([yes]) + ],[ + LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[ + AC_MSG_ERROR([You have got no 64-bit kernel quota support.]) + ],[]) + AC_MSG_RESULT([no]) + ]) +EXTRA_KCFLAGS=$tmp_flags +]) + +# 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes +AC_DEFUN([LC_SET_CPUS_ALLOWED], + [AC_MSG_CHECKING([if kernel defines set_cpus_allowed]) + LB_LINUX_TRY_COMPILE( + [#include ], + [struct task_struct *p = NULL; + cpumask_t mask = { { 0 } }; + (void) set_cpus_allowed(p, mask);], + [AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1, + [set_cpus_allowed is exported by the kernel])], + [AC_MSG_RESULT([no])] )]) + +# +# LC_D_OBTAIN_ALIAS +# starting from 2.6.28 kernel replaces d_alloc_anon() with +# d_obtain_alias() for getting anonymous dentries +# +AC_DEFUN([LC_D_OBTAIN_ALIAS], +[AC_MSG_CHECKING([d_obtain_alias exist in kernel]) LB_LINUX_TRY_COMPILE([ - #include + #include ],[ - struct backing_dev_info bdi; - bdi.wb_cnt = 0; + d_obtain_alias(NULL); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_NEW_BACKING_DEV_INFO, 1, - [backing_dev_info has a wb_cnt field]) + AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1, + [d_obtain_alias exist in kernel]) + AC_MSG_RESULT([yes]) ],[ - AC_MSG_RESULT(no) + AC_MSG_RESULT([no]) ]) ]) -# 2.6.24 has bdi_init()/bdi_destroy() functions. -AC_DEFUN([LC_EXPORT_BDI_INIT], -[LB_CHECK_SYMBOL_EXPORT([bdi_init], -[mm/backing-dev.c],[ - AC_DEFINE(HAVE_BDI_INIT, 1, - [bdi_init/bdi_destroy functions are present]) +# +# 2.6.38 export blkdev_get_by_dev +# +AC_DEFUN([LC_BLKDEV_GET_BY_DEV], +[LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev], +[fs/block_dev.c],[ +AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1, + [blkdev_get_by_dev is exported by the kernel]) ],[ ]) ]) -# 2.6.23 exports exportfs_decode_fh -AC_DEFUN([LC_EXPORTFS_DECODE_FH], -[LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh], -[fs/exportfs/expfs.c],[ - AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1, - [exportfs_decode_fh has been export]) +# +# 2.6.39 remove unplug_fn from request_queue. +# +AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN], +[AC_MSG_CHECKING([if request_queue has unplug_fn field]) +LB_LINUX_TRY_COMPILE([ + #include ],[ + struct request_queue rq; + memset(rq.unplug_fn, 0, sizeof(rq.unplug_fn)); +],[ + AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1, + [request_queue has unplug_fn field]), + AC_MSG_RESULT([yes]) +],[ + AC_MSG_RESULT([no]) ]) ]) @@ -1979,12 +2117,6 @@ AC_DEFUN([LC_EXPORTFS_DECODE_FH], # AC_DEFUN([LC_PROG_LINUX], [LC_LUSTRE_VERSION_H - if test x$enable_server = xyes ; then - AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server]) - LC_FUNC_DEV_SET_RDONLY - LC_STACK_SIZE - LC_CONFIG_BACKINGFS - fi LC_CONFIG_PINGER LC_CONFIG_CHECKSUM LC_CONFIG_LIBLUSTRE_RECOVERY @@ -1998,11 +2130,8 @@ AC_DEFUN([LC_PROG_LINUX], LC_EXPORT_TRUNCATE_RANGE LC_EXPORT_D_REHASH_COND LC_EXPORT___D_REHASH - LC_EXPORT_D_MOVE_LOCKED - LC_EXPORT___D_MOVE LC_EXPORT_NODE_TO_CPUMASK - LC_HEADER_LDISKFS_XATTR LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP LC_STRUCT_STATFS LC_FILEMAP_POPULATE @@ -2018,7 +2147,6 @@ AC_DEFUN([LC_PROG_LINUX], LC_CAPA_CRYPTO LC_CONFIG_RMTCLIENT LC_CONFIG_GSS - LC_FUNC_MS_FLOCK_LOCK LC_FUNC_HAVE_CAN_SLEEP_ARG LC_FUNC_F_OP_FLOCK LC_QUOTA_READ @@ -2026,10 +2154,6 @@ AC_DEFUN([LC_PROG_LINUX], LC_FUNC_RCU LC_PERCPU_COUNTER LC_TASK_CLENV_STORE - LC_4ARGS_VFS_SYMLINK - - # does the kernel have VFS intent patches? - LC_VFS_INTENT_PATCHES # ~2.6.11 LC_S_TIME_GRAN @@ -2092,7 +2216,6 @@ AC_DEFUN([LC_PROG_LINUX], LC_KERNEL_SENDFILE LC_HAVE_EXPORTFS_H LC_VM_OP_FAULT - LC_REGISTER_SHRINKER LC_PROCFS_USERS LC_EXPORTFS_DECODE_FH @@ -2122,25 +2245,38 @@ AC_DEFUN([LC_PROG_LINUX], # 2.6.27.15-2 sles11 LC_BI_HW_SEGMENTS - LC_HAVE_QUOTAIO_V1_H + LC_HAVE_QUOTAIO_H LC_VFS_SYMLINK_5ARGS LC_SB_ANY_QUOTA_ACTIVE LC_SB_HAS_QUOTA_ACTIVE + LC_EXPORT_ADD_TO_PAGE_CACHE_LRU + + # 2.6.30 + LC_EXPORT_CPUMASK_OF_NODE # 2.6.31 LC_BLK_QUEUE_LOG_BLK_SIZE # 2.6.32 LC_REQUEST_QUEUE_LIMITS - LC_NEW_BACKING_DEV_INFO + LC_EXPORT_BDI_REGISTER + LC_SB_BDI LC_BLK_QUEUE_MAX_SECTORS LC_BLK_QUEUE_MAX_SEGMENTS + LC_SET_CPUS_ALLOWED + + # 2.6.38 + LC_BLKDEV_GET_BY_DEV + + # 2.6.39 + LC_REQUEST_QUEUE_UNPLUG_FN # if test x$enable_server = xyes ; then - if test x$enable_quota_module = xyes ; then - LC_QUOTA64 # must after LC_HAVE_QUOTAIO_V1_H - fi + AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server]) + LC_FUNC_DEV_SET_RDONLY + LC_STACK_SIZE + LC_QUOTA64 fi ]) @@ -2256,6 +2392,26 @@ LB_LINUX_TRY_COMPILE([ ]) ]) +# 2.6.29 split file and anonymous page queues +AC_DEFUN([LC_PAGEVEC_LRU_ADD_FILE], +[AC_MSG_CHECKING([if kernel has .pagevec_lru_add_file]) +LB_LINUX_TRY_COMPILE([ + #include + #include +],[ + struct pagevec lru_pagevec; + + pagevec_init(&lru_pagevec, 0); + pagevec_lru_add_file(&lru_pagevec); +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_PAGEVEC_LRU_ADD_FILE, 1, + [kernel has .pagevec_lru_add_file]) +],[ + AC_MSG_RESULT([no]) +]) +]) + # # --enable-mpitest # @@ -2310,18 +2466,6 @@ LC_CONFIG_PINGER LC_CONFIG_LIBLUSTRE_RECOVERY ]) -AC_DEFUN([LC_CONFIG_LRU_RESIZE], -[AC_MSG_CHECKING([whether to enable lru self-adjusting]) -AC_ARG_ENABLE([lru_resize], - AC_HELP_STRING([--enable-lru-resize], - [enable lru resize support]), - [],[enable_lru_resize='yes']) -AC_MSG_RESULT([$enable_lru_resize]) -if test x$enable_lru_resize != xno; then - AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support]) -fi -]) - # # LC_CONFIG_QUOTA # @@ -2334,19 +2478,6 @@ AC_DEFUN([LC_CONFIG_QUOTA], [],[enable_quota='yes']) ]) -# whether to enable quota support(kernel modules) -AC_DEFUN([LC_QUOTA_MODULE], -[if test x$enable_quota != xno; then - LB_LINUX_CONFIG([QUOTA],[ - enable_quota_module='yes' - AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support]) - ],[ - enable_quota_module='no' - AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support]) - ]) -fi -]) - AC_DEFUN([LC_QUOTA], [#check global LC_CONFIG_QUOTA @@ -2356,21 +2487,6 @@ AC_CHECK_HEADER(sys/quota.h, [AC_MSG_ERROR([don't find in your system])]) ]) -AC_DEFUN([LC_QUOTA_READ], -[AC_MSG_CHECKING([if kernel supports quota_read]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct super_operations sp; - void *i = (void *)sp.quota_read; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found]) -],[ - AC_MSG_RESULT([no]) -]) -]) - # # LC_CONFIG_SPLIT # @@ -2388,144 +2504,6 @@ if test x$enable_split != xno; then fi ]) -# -# LC_COOKIE_FOLLOW_LINK -# -# kernel 2.6.13+ ->follow_link returns a cookie -# - -AC_DEFUN([LC_COOKIE_FOLLOW_LINK], -[AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie]) -LB_LINUX_TRY_COMPILE([ - #include - #include -],[ - struct dentry dentry; - struct nameidata nd; - - dentry.d_inode->i_op->put_link(&dentry, &nd, NULL); -],[ - AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LC_FUNC_RCU -# -# kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE), -# call_rcu takes three parameters. -# -AC_DEFUN([LC_FUNC_RCU], -[AC_MSG_CHECKING([if kernel have RCU supported]) -LB_LINUX_TRY_COMPILE([ - #include -],[],[ - AC_DEFINE(HAVE_RCU, 1, [have RCU defined]) - AC_MSG_RESULT([yes]) - - AC_MSG_CHECKING([if call_rcu takes three parameters]) - LB_LINUX_TRY_COMPILE([ - #include - ],[ - struct rcu_head rh; - call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL); - ],[ - AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters]) - AC_MSG_RESULT([yes]) - ],[ - AC_MSG_RESULT([no]) - ]) - -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LC_QUOTA64 -# linux kernel have 64-bit limits support -# -AC_DEFUN([LC_QUOTA64],[ - AC_MSG_CHECKING([if kernel has 64-bit quota limits support]) -tmp_flags="$EXTRA_KCFLAGS" -EXTRA_KCFLAGS="-I$LINUX/fs" - LB_LINUX_TRY_COMPILE([ - #include - #include - #ifdef HAVE_QUOTAIO_V1_H - # include - int versions[] = V2_INITQVERSIONS_R1; - struct v2_disk_dqblk_r1 dqblk_r1; - #else - # ifdef HAVE_FS_QUOTA_QUOTAIO_V1_H - # include - # else - # include - # endif - struct v2r1_disk_dqblk dqblk_r1; - #endif - ],[],[ - AC_DEFINE(HAVE_QUOTA64, 1, [have quota64]) - AC_MSG_RESULT([yes]) - ],[ - LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[ - AC_MSG_ERROR([You have got no 64-bit kernel quota support.]) - ],[]) - AC_MSG_RESULT([no]) - ]) -EXTRA_KCFLAGS=$tmp_flags -]) - -# LC_SECURITY_PLUG # for SLES10 SP2 -# check security plug in sles10 sp2 kernel -AC_DEFUN([LC_SECURITY_PLUG], -[AC_MSG_CHECKING([If kernel has security plug support]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct dentry *dentry; - struct vfsmount *mnt; - struct iattr *iattr; - - notify_change(dentry, mnt, iattr); -],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SECURITY_PLUG, 1, - [SLES10 SP2 use extra parameter in vfs]) -],[ - AC_MSG_RESULT(no) -]) -]) - -AC_DEFUN([LC_PERCPU_COUNTER], -[AC_MSG_CHECKING([if have struct percpu_counter defined]) -LB_LINUX_TRY_COMPILE([ - #include -],[],[ - AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found]) - AC_MSG_RESULT([yes]) - - AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument]) - LB_LINUX_TRY_COMPILE([ - #include - ],[ - struct percpu_counter c; - percpu_counter_init(&c, 0); - ],[ - AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two - arguments]) - AC_MSG_RESULT([yes]) - ],[ - AC_MSG_RESULT([no]) - ]) -],[ - AC_MSG_RESULT([no]) -]) -]) - AC_DEFUN([LC_TASK_CLENV_TUX_INFO], [AC_MSG_CHECKING([tux_info]) LB_LINUX_TRY_COMPILE([ @@ -2542,14 +2520,6 @@ LB_LINUX_TRY_COMPILE([ ]) ]) -AC_DEFUN([LC_TASK_CLENV_STORE], -[ - AC_MSG_CHECKING([if we can store cl_env in task_struct]) - if test x$have_task_clenv_store != xyes ; then - LC_TASK_CLENV_TUX_INFO - fi -]) - # # LC_LLITE_LLOOP_MODULE # lloop_llite.ko does not currently work with page sizes @@ -2584,6 +2554,9 @@ if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then CFLAGS="$CFLAGS -Werror" fi +# maximum MDS thread count +LC_MDS_MAX_THREADS + # include/liblustre.h AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h]) @@ -2679,6 +2652,7 @@ fi LC_D_OBTAIN_ALIAS LC_BLKDEV_PUT_2ARGS LC_DENTRY_OPEN_4ARGS + LC_PAGEVEC_LRU_ADD_FILE ]) @@ -2722,6 +2696,7 @@ lustre/include/Makefile lustre/include/lustre_ver.h lustre/include/linux/Makefile lustre/include/lustre/Makefile +lustre/kernel_patches/targets/2.6-rhel6.target lustre/kernel_patches/targets/2.6-rhel5.target lustre/kernel_patches/targets/2.6-sles10.target lustre/kernel_patches/targets/2.6-sles11.target