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Linux 2.6.38 compat, blkdev_get_by_path()

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The open_bdev_exclusive() function has been replaced (again) by the
more generic blkdev_get_by_path() function.  Additionally, the
counterpart function close_bdev_exclusive() has been replaced by
blkdev_put().  Because these functions are more generic versions
of the functions they replaced the compatibility macro must add
the FMODE_EXCL mask to ensure they are exclusive.

Closes #114
This commit is contained in:
Brian Behlendorf
2011-02-22 14:55:35 -08:00
parent 61e909608d
commit 45066d1f20
49 changed files with 159 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
config/kernel-blkdev-get-by-path.m4
+13
View File
@@ -0,0 +1,13 @@
dnl #
dnl # 2.6.38 API change
dnl # open_bdev_exclusive() changed to blkdev_get_by_path()
dnl # close_bdev_exclusive() changed to blkdev_put()
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
ZFS_CHECK_SYMBOL_EXPORT(
[blkdev_get_by_path],
[fs/block_dev.c],
[AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
[blkdev_get_by_path() is available])],
[])
])
config/kernel.m4
+1
View File
@@ -8,6 +8,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_TYPE_FMODE_T
ZFS_AC_KERNEL_KOBJ_NAME_LEN
ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH
ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE
ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS
ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE