LU-7704 utils: check LOOP_CTL_GET_FREE aginst target kernel

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 6c18234..6ccbfc7 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -89,10 +89,10 @@ LB_CHECK_EXPORT([dev_set_rdonly], [block/ll_rw_block.c block/blk-core.c],
 #
 # LC_STACK_SIZE
 #
-# Ensure stack size big than 8k in Lustre server (all kernels)
+# Ensure the stack size is at least 8k in Lustre server (all kernels)
 #
 AC_DEFUN([LC_STACK_SIZE], [
-LB_CHECK_COMPILE([if stack size big than 8k],
+LB_CHECK_COMPILE([if stack size is at least 8k],
 stack_size_8k, [
        #include <linux/thread_info.h>
 ], [
@@ -636,7 +636,7 @@ EXTRA_KCFLAGS="$tmp_flags"
 #
 # LC_DCACHE_LOCK
 #
-# 2.6.38 dcache_lock removed. rcu-walk commited.
+# 2.6.38 dcache_lock removed. rcu-walk committed.
 #
 AC_DEFUN([LC_DCACHE_LOCK], [
 LB_CHECK_COMPILE([if 'dcache_lock' is exist],
@@ -1768,6 +1768,25 @@ EXTRA_KCFLAGS="$tmp_flags"
 ]) # LC_NFS_FILLDIR_USE_CTX
 
 #
+# LC_PERCPU_COUNTER_INIT
+#
+# 3.18 For kernels 3.18 and after percpu_counter_init starts
+#      to pass a GFP_* memory allocation flag for internal
+#      memory allocation purposes.
+#
+AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
+LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
+percpu_counter_init, [
+       #include <linux/percpu_counter.h>
+],[
+       percpu_counter_init(NULL, 0, GFP_KERNEL);
+],[
+       AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
+               [percpu_counter_init uses GFP_* flag])
+])
+]) # LC_PERCPU_COUNTER_INIT
+
+#
 # LC_KIOCB_HAS_NBYTES
 #
 # 3.19 kernel removed ki_nbytes from struct kiocb
@@ -1890,6 +1909,71 @@ new_cancel_dirty_page, [
 ]) # LC_NEW_CANCEL_DIRTY_PAGE
 
 #
+# LC_SYMLINK_OPS_USE_NAMEIDATA
+#
+# For the 4.2+ kernels the file system internal symlink api no
+# longer uses struct nameidata as a argument
+#
+AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
+LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
+symlink_use_nameidata, [
+       #include <linux/namei.h>
+       #include <linux/fs.h>
+],[
+       struct nameidata *nd = NULL;
+
+       ((struct inode_operations *)0)->follow_link(NULL, nd);
+       ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
+],[
+       AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
+               [symlink inode operations need struct nameidata argument])
+])
+]) # LC_SYMLINK_OPS_USE_NAMEIDATA
+
+#
+# LC_BIO_ENDIO_USES_ONE_ARG
+#
+# 4.2 kernel bio_endio now only takes one argument
+#
+AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
+LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
+bio_endio, [
+       #include <linux/bio.h>
+],[
+       bio_endio(NULL);
+],[
+       AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
+               [bio_endio takes only one argument])
+])
+]) # LC_BIO_ENDIO_USES_ONE_ARG
+
+#
+# LC_HAVE_LOOP_CTL_GET_FREE
+#
+# 4.x kernel have moved userspace APIs to
+# the separate directory and all of them
+# support LOOP_CTL_GET_FREE
+#
+AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
+LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
+       LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
+       LOOP_CTL_GET_FREE, [
+               #include <linux/loop.h>
+       ],[
+               int i;
+
+               i = LOOP_CTL_GET_FREE;
+       ],[
+               AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
+                       [LOOP_CTL_GET_FREE exist])
+       ])
+],[
+       AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
+               [kernel has LOOP_CTL_GET_FREE])
+])
+]) # LC_HAVE_LOOP_CTL_GET_FREE
+
+#
 # LC_PROG_LINUX
 #
 # Lustre linux kernel checks
@@ -1954,6 +2038,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_FILE_LLSEEK_SIZE
        LC_INODE_PERMISION_2ARGS
        LC_RADIX_EXCEPTION_ENTRY
+       LC_HAVE_LOOP_CTL_GET_FREE
 
        # 3.2
        LC_HAVE_VOID_MAKE_REQUEST_FN
@@ -2028,6 +2113,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_KEY_MATCH_DATA
 
        # 3.18
+       LC_PERCPU_COUNTER_INIT
        LC_NFS_FILLDIR_USE_CTX
 
        # 3.19
@@ -2046,6 +2132,8 @@ AC_DEFUN([LC_PROG_LINUX], [
 
        # 4.2
        LC_NEW_CANCEL_DIRTY_PAGE
+       LC_BIO_ENDIO_USES_ONE_ARG
+       LC_SYMLINK_OPS_USE_NAMEIDATA
 
        #
        AS_IF([test "x$enable_server" != xno], [
@@ -2366,6 +2454,7 @@ lustre/kernel_patches/targets/2.6-rhel5.target
 lustre/kernel_patches/targets/2.6-sles11.target
 lustre/kernel_patches/targets/3.0-sles11.target
 lustre/kernel_patches/targets/3.0-sles11sp3.target
+lustre/kernel_patches/targets/3.0-sles11sp4.target
 lustre/kernel_patches/targets/3.12-sles12.target
 lustre/kernel_patches/targets/2.6-fc11.target
 lustre/kernel_patches/targets/2.6-fc12.target