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Linux 3.1 compat, fops->fsync()

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The Linux 3.1 kernel updated the fops->fsync() callback yet again.
They now pass the requested range and delegate the responsibility
for calling filemap_write_and_wait_range() to the callback.  In
addition imutex is no longer held by the caller and the callback
is responsible for taking the lock if required.

This commit updates the code to provide a zpl_fsync() function
for the updated API.  Implementations for the previous two APIs
are also maintained for compatibility.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #445
This commit is contained in:
Brian Behlendorf
2011-11-09 20:47:59 -08:00
parent 8c19f5b407
commit adcd70bd1a
5 changed files with 390 additions and 44 deletions
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config/kernel.m4
+1 -1
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@@ -32,7 +32,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_CONST_XATTR_HANDLER
ZFS_AC_KERNEL_XATTR_HANDLER_GET
ZFS_AC_KERNEL_XATTR_HANDLER_SET
ZFS_AC_KERNEL_FSYNC_2ARGS
ZFS_AC_KERNEL_FSYNC
ZFS_AC_KERNEL_EVICT_INODE
ZFS_AC_KERNEL_INSERT_INODE_LOCKED
ZFS_AC_KERNEL_D_OBTAIN_ALIAS