Whamcloud - gitweb
LU-13839 ldiskfs: fix detecting ext4_journal_ensure_credits
[fs/lustre-release.git] / config / lustre-build-ldiskfs.m4
index 6f1ae82..74fdbf3 100644 (file)
 # LDISKFS_LINUX_SERIES
 #
 AC_DEFUN([LDISKFS_LINUX_SERIES], [
-LDISKFS_SERIES=
 AC_MSG_CHECKING([which ldiskfs series to use])
+case x$LDISKFS_SERIES in
+       x)                      # not set
+               ;;
+       *.series)               # set externally
+               ;;
+       *) LDISKFS_SERIES=
+esac
+AS_IF([test -z "$LDISKFS_SERIES"], [
 AS_IF([test x$RHEL_KERNEL = xyes], [
        case $RHEL_RELEASE_NO in
-       71)     LDISKFS_SERIES="3.10-rhel7.series"      ;;
-       66)     LDISKFS_SERIES="2.6-rhel6.6.series"     ;;
-       65)     LDISKFS_SERIES="2.6-rhel6.5.series"     ;;
-       64)     LDISKFS_SERIES="2.6-rhel6.4.series"     ;;
-       6[0-3]) LDISKFS_SERIES="2.6-rhel6.series"       ;;
+       83)     LDISKFS_SERIES="4.18-rhel8.3.series"    ;;
+       82)     LDISKFS_SERIES="4.18-rhel8.2.series"    ;;
+       81)     LDISKFS_SERIES="4.18-rhel8.1.series"    ;;
+       80)     LDISKFS_SERIES="4.18-rhel8.series"      ;;
+       79)     LDISKFS_SERIES="3.10-rhel7.9.series"    ;;
+       78)     LDISKFS_SERIES="3.10-rhel7.8.series"    ;;
+       77)     LDISKFS_SERIES="3.10-rhel7.7.series"    ;;
+       76)     LDISKFS_SERIES="3.10-rhel7.6.series"    ;;
        esac
 ], [test x$SUSE_KERNEL = xyes], [
-       AS_VERSION_COMPARE([$LINUXRELEASE],[3.0.0],[
-       AS_VERSION_COMPARE([$LINUXRELEASE],[2.6.32], [],
-       [LDISKFS_SERIES="2.6-sles11.series"],[LDISKFS_SERIES="2.6-sles11.series"])],
-       [LDISKFS_SERIES="3.0-sles11.series"],[
-               PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
-               case $PLEV in
-               2) LDISKFS_SERIES="3.0-sles11.series"
-                       ;;
-               3) LDISKFS_SERIES="3.0-sles11sp3.series"
+       AS_VERSION_COMPARE([$LINUXRELEASE],[5.3.18],[
+       AS_VERSION_COMPARE([$LINUXRELEASE],[4.12.14],[], [], [
+               suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
+               suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
+               suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
+               echo "$suse_conf $suse_vers $suse_patchlevel  ${suse_vers}sp$suse_patchlevel" >> /tmp/log-nb
+               case ${suse_vers}sp$suse_patchlevel in # (
+               15sp0 ) LDISKFS_SERIES="4.12-sles15.series"
+                       if test ! -f $LINUX/arch/x86/kernel/cpu/hygon.c ; then
+                               # This file was added shortly after -150.22 so
+                               # this must be 150.22 or earlier
+                               LDISKFS_SERIES="4.12-sles15-22.series"
+                       fi
+                       ;; # (
+               15sp1 ) LDISKFS_SERIES="4.12-sles15sp1.series"
+                       if test ! -f $LINUX/arch/x86/kernel/cpu/umwait.c ; then
+                               # This file was added after -197.7 so
+                               # this must be -197.7 or earlier
+                               LDISKFS_SERIES="4.12-sles15sp1-7.series"
+                       fi
                        ;;
                esac
-       ])
+       ]
+       )], [LDISKFS_SERIES="5.4.21-ml.series"],
+           [LDISKFS_SERIES="5.4.21-ml.series"])
+], [test x$UBUNTU_KERNEL = xyes], [
+       AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[
+       AS_VERSION_COMPARE([$LINUXRELEASE],[5.0.0],[
+       AS_VERSION_COMPARE([$LINUXRELEASE],[4.15.0],[
+       AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0], [],
+       [
+               KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
+               AS_IF(
+                       [test -z "$KPLEV"], [
+                               AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
+                               LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
+                       ],
+                       [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
+                       [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
+                       [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
+                       [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
+               )
+       ],
+       [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
+       [
+               KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
+               AS_IF(
+                       [test -z "$KPLEV"], [
+                               AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
+                               LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
+                       ],
+                       [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
+                       [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
+               )
+       ],
+       [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])],
+       [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
+       [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
+       [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
+       [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
+       [LDISKFS_SERIES="5.4.0-ml.series"])
+])
 ])
+# Not RHEL/SLES or Ubuntu .. probably mainline
 AS_IF([test -z "$LDISKFS_SERIES"],
-       [AC_MSG_WARN([Unknown kernel version $LDISKFS_VERSIONRELEASE])])
-AC_MSG_RESULT([$LDISKFS_SERIES])
+       [
+       AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[],
+       [LDISKFS_SERIES="5.4.0-ml.series"],[
+       AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.21],
+               [LDISKFS_SERIES="5.4.0-ml.series"],  # lt
+               [LDISKFS_SERIES="5.4.21-ml.series"], # eq
+               [LDISKFS_SERIES="5.4.21-ml.series"]  # gt
+               )])
+       ],
+[])
+AS_IF([test -z "$LDISKFS_SERIES"],
+       [AC_MSG_RESULT([failed to identify series])],
+       [AC_MSG_RESULT([$LDISKFS_SERIES for $LINUXRELEASE])])
 AC_SUBST(LDISKFS_SERIES)
 ]) # LDISKFS_LINUX_SERIES
 
@@ -52,23 +124,6 @@ ext4_free_blocks_with_buffer_head, [
 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 
 #
-# LB_EXT_PBLOCK
-#
-# 2.6.35 renamed ext_pblock to ext4_ext_pblock(ex)
-#
-AC_DEFUN([LB_EXT_PBLOCK], [
-LB_CHECK_COMPILE([if Linux kernel has 'ext_pblock'],
-ext_pblock, [
-       #include <linux/fs.h>
-       #include "$EXT4_SRC_DIR/ext4_extents.h"
-],[
-       ext_pblock(NULL);
-],[
-       AC_DEFINE(HAVE_EXT_PBLOCK, 1, [Linux kernel has ext_pblock])
-])
-]) # LB_EXT_PBLOCK
-
-#
 # LB_EXT4_JOURNAL_START_3ARGS
 #
 # 3.9 added a type argument to ext4_journal_start and friends
@@ -86,23 +141,140 @@ ext4_journal_start, [
 ]) # LB_EXT4_JOURNAL_START_3ARGS
 
 #
-# LB_LDISKFS_MAP_BLOCKS
+# LB_EXT4_BREAD_4ARGS
+#
+# 3.18 ext4_bread has 4 arguments
+# NOTE: It may not be exported for modules, use a positive compiler test here.
+#
+AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
+LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
+ext4_bread, [
+       #include <linux/fs.h>
+       #include "$EXT4_SRC_DIR/ext4.h"
+
+       struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
+                                      ext4_lblk_t block, int map_flags)
+       {
+               struct buffer_head *bh = NULL;
+               (void)handle;
+               (void)inode;
+               (void)block;
+               (void)map_flags;
+               return bh;
+       }
+],[
+       ext4_bread(NULL, NULL, 0, 0);
+],[
+       AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
+])
+]) # LB_EXT4_BREAD_4ARGS
+
+#
+# LB_EXT4_HAVE_INFO_DQUOT
 #
-# Since 2.6.35 brought ext4_map_blocks() for IO.
-# We just check this function whether existed.
-# it must be exported by ldiskfs patches.
+# in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
 #
-AC_DEFUN([LB_LDISKFS_MAP_BLOCKS], [
-LB_CHECK_COMPILE([if kernel has ext4_map_blocks],
-ext4_map_blocks, [
+AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
+LB_CHECK_COMPILE([if i_dquot is in ext4_inode_info],
+ext4_info_dquot, [
        #include <linux/fs.h>
+       #include <linux/quota.h>
        #include "$EXT4_SRC_DIR/ext4.h"
 ],[
-       ext4_map_blocks(NULL, NULL, NULL, 0);
+       struct ext4_inode_info in;
+       struct dquot *dq;
+
+       dq = in.i_dquot[0];
+],[
+       AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1, [i_dquot is in ext4_inode_info])
+])
+]) # LB_EXT4_HAVE_INFO_DQUOT
+
+#
+# LB_EXT4_HAVE_I_CRYPT_INFO
+#
+# in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
+#
+# Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
+# If we have i_crypt_info in ext4_inode_info, the config option
+# should be enabled to make the ldiskfs module compilation happy.
+# Otherwise i_crypy_info is in struct inode, we need to check kernel
+# config option to determine that.
+#
+AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
+LB_CHECK_COMPILE([if i_crypt_info is in ext4_inode_info],
+ext4_i_crypt_info, [
+       #define CONFIG_EXT4_FS_ENCRYPTION 1
+       #include <linux/fs.h>
+       #include "$EXT4_SRC_DIR/ext4.h"
+],[
+       struct ext4_inode_info in;
+
+       in.i_crypt_info = NULL;
+],[
+       AC_DEFINE(
+               CONFIG_LDISKFS_FS_ENCRYPTION, 1,
+               [enable encryption for ldiskfs]
+       )
+],[
+       LB_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
+               AC_DEFINE(
+                       CONFIG_LDISKFS_FS_ENCRYPTION, 1,
+                       [enable encryption for ldiskfs]
+               )
+       ])
+])
+]) # LB_EXT4_HAVE_I_CRYPT_INFO
+
+#
+# LB_LDISKFS_JOURNAL_ENSURE_CREDITS
+#
+# kernel 4.18.0-240.1.1.el8 and
+# kernel 5.4 commit a413036791d040e33badcc634453a4d0c0705499
+#
+# ext4_journal_ensure_credits was introduced to ensure given handle
+# has at least requested amount of credits available, and possibly
+# restarting transaction if needed.
+#
+AC_DEFUN([LB_LDISKFS_JOURNAL_ENSURE_CREDITS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'ext4_journal_ensure_credits' exists],
+ext4_journal_ensure_credits, [
+       #include "$EXT4_SRC_DIR/ext4_jbd2.h"
+       int __ext4_journal_ensure_credits(handle_t *handle, int check_cred,
+               int extend_cred, int revoke_cred) { return 0; }
+],[
+       ext4_journal_ensure_credits(NULL, 0, 0);
 ],[
-       AC_DEFINE(HAVE_LDISKFS_MAP_BLOCKS, 1, [kernel has ext4_map_blocks])
+       AC_DEFINE(HAVE_LDISKFS_JOURNAL_ENSURE_CREDITS, 1,
+               ['ext4_journal_ensure_credits' exists])
 ])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LB_LDISKFS_JOURNAL_ENSURE_CREDITS
+
+#
+# LB_LDISKFS_IGET_HAS_FLAGS_ARG
+#
+# kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
+# ext4_iget changed to a macro with 3 args was function with 2 args
+#
+AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if ldiskfs_iget takes a flags argument],
+ext4_iget_3args, [
+       #include <linux/fs.h>
+       #include "$EXT4_SRC_DIR/ext4.h"
+],[
+       int f = EXT4_IGET_SPECIAL;
+       (void)f;
+],[
+       AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
+               [if ldiskfs_iget takes a flags argument])
 ])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
 
 #
 # LDISKFS_AC_PATCH_PROGRAM
@@ -138,6 +310,94 @@ AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
 ]) # LDISKFS_AC_PATCH_PROGRAM
 
 #
+# LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
+#
+# kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
+# ext4: avoid declaring fs inconsistent due to invalid file handles
+# __ext4_find_entry became a helper function for ext4_find_entry
+# conflicting with previous ldiskfs patches.
+# ldiskfs patches map ext4_find_entry to ldiskfs_find_entry_locked to
+# avoid conflicting with __ext4_find_entry
+#
+# When the following check succeeds __ext4_find_entry helper is not
+# used.
+#
+AC_DEFUN([LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if __ldiskfs_find_entry is available],
+ldiskfs_find_entry_locked, [
+       #include <linux/fs.h>
+       #include "$EXT4_SRC_DIR/ext4.h"
+       #include "$EXT4_SRC_DIR/namei.c"
+
+       static int __ext4_find_entry(void) { return 0; }
+],[
+       int x = __ext4_find_entry();
+       (void)x;
+],[
+       AC_DEFINE(HAVE___LDISKFS_FIND_ENTRY, 1,
+               [if __ldiskfs_find_entry is available])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
+
+#
+# LB_LDISKFSFS_DIRHASH_WANTS_DIR
+#
+# kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
+# ext4fs_dirhash UNICODE support
+#
+AC_DEFUN([LB_LDISKFSFS_DIRHASH_WANTS_DIR], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if ldiskfsfs_dirhash takes an inode argument],
+ext4fs_dirhash, [
+       #include <linux/fs.h>
+       #include "$EXT4_SRC_DIR/ext4.h"
+
+       int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
+                         struct dx_hash_info *hinfo)
+       {
+               (void)dir;
+               (void)name;
+               (void)len;
+               (void)hinfo;
+               return 0;
+       }
+],[
+       int f = ext4fs_dirhash(NULL, NULL, 0, NULL);
+       (void)f;
+],[
+       AC_DEFINE(HAVE_LDISKFSFS_GETHASH_INODE_ARG, 1,
+               [ldiskfsfs_dirhash takes an inode argument])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LB_LDISKFSFS_DIRHASH_WANTS_DIR
+
+#
+# LB_JBD2_H_TOTAL_CREDITS
+#
+# kernel 5.5 commit 933f1c1e0b75bbc29730eef07c9e196c6dfd37e5
+# jbd2: Reserve space for revoke descriptor blocks
+#
+AC_DEFUN([LB_JBD2_H_TOTAL_CREDITS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if struct jbd2_journal_handle has h_total_credits member],
+handle_t_h_revoke_credits, [
+       #include <linux/jbd2.h>
+],[
+       int x = offsetof(struct jbd2_journal_handle, h_total_credits);
+       (void)x;
+],[
+       AC_DEFINE(HAVE_JOURNAL_TOTAL_CREDITS, 1,
+               [struct jbd2_journal_handle has h_total_credits member])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LB_JBD2_H_TOTAL_CREDITS
+
+#
 # LB_CONFIG_LDISKFS
 #
 AC_DEFUN([LB_CONFIG_LDISKFS], [
@@ -176,19 +436,28 @@ AS_IF([test x$enable_ldiskfs != xno],[
        # set is available for the detected kernel.  For now, we just always
        # set it to "yes".
        AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
+       AC_SUBST(ENABLE_LDISKFS, yes)
 
        LDISKFS_LINUX_SERIES
        LDISKFS_AC_PATCH_PROGRAM
        LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
-       LB_EXT_PBLOCK
        LB_EXT4_JOURNAL_START_3ARGS
-       LB_LDISKFS_MAP_BLOCKS
+       LB_EXT4_BREAD_4ARGS
+       LB_EXT4_HAVE_INFO_DQUOT
+       LB_EXT4_HAVE_I_CRYPT_INFO
+       LB_LDISKFS_JOURNAL_ENSURE_CREDITS
+       LB_LDISKFS_IGET_HAS_FLAGS_ARG
+       LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
+       LB_LDISKFSFS_DIRHASH_WANTS_DIR
+       LB_JBD2_H_TOTAL_CREDITS
        AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
        AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
        AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
        AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
        AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
        AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
+], [
+       AC_SUBST(ENABLE_LDISKFS, no)
 ])
 
 AC_MSG_CHECKING([whether to build ldiskfs])
@@ -197,6 +466,10 @@ AC_MSG_RESULT([$enable_ldiskfs])
 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
 ]) # LB_CONFIG_LDISKFS
 
+
+AC_DEFUN([LB_EXT4_SRC_DIR_SRC], [])
+AC_DEFUN([LB_EXT4_SRC_DIR_RESULTS], [])
+
 #
 # LB_VALIDATE_EXT4_SRC_DIR
 #
@@ -254,11 +527,21 @@ AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
        EXT4_SRC_DIR="$linux_src/fs/ext4"
 ], [
        # Kernel ext source provided by kernel-debuginfo-common package
-       linux_src=$(ls -1d /usr/src/debug/*/linux-$LINUXRELEASE \
+       # that extracted to $LINUX
+       linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
                2>/dev/null | tail -1)
-       AS_IF([test -e "$linux_src/fs/ext4/super.c"],
-               [EXT4_SRC_DIR="$linux_src/fs/ext4"],
-               [EXT4_SRC_DIR=""])
+       AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
+               EXT4_SRC_DIR="$linux_src/fs/ext4"
+       ], [
+               # Kernel ext source provided by kernel-debuginfo-common package
+               linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
+                       2>/dev/null | tail -1)
+               AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
+                       EXT4_SRC_DIR="$linux_src/fs/ext4"
+               ], [
+                       EXT4_SRC_DIR=""
+               ])
+       ])
 ])
 AC_MSG_RESULT([$EXT4_SRC_DIR])
 AC_SUBST(EXT4_SRC_DIR)