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authorChristoph Hellwig <hch@infradead.org>2010-07-20 17:50:52 +1000
committerAlex Elder <aelder@sgi.com>2010-07-26 13:16:51 -0500
commita64afb057b607c04383ab5fb53c51421ba18c434 (patch)
tree8f90f37bbdf1c81311342d8781da1742b3192f74 /Documentation
parent0664ce8d0fde731d76fa7e86b3afb54f3a6830ff (diff)
downloadlinux-a64afb057b607c04383ab5fb53c51421ba18c434.tar.bz2
xfs: remove obsolete osyncisosync mount option
Since Linux 2.6.33 the kernel has support for real O_SYNC, which made the osyncisosync option a no-op. Warn the users about this and remove the mount flag for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/xfs.txt11
1 files changed, 0 insertions, 11 deletions
diff --git a/Documentation/filesystems/xfs.txt b/Documentation/filesystems/xfs.txt
index 9878f50d6ed6..7bff3e4f35df 100644
--- a/Documentation/filesystems/xfs.txt
+++ b/Documentation/filesystems/xfs.txt
@@ -131,17 +131,6 @@ When mounting an XFS filesystem, the following options are accepted.
Don't check for double mounted file systems using the file system uuid.
This is useful to mount LVM snapshot volumes.
- osyncisosync
- Make O_SYNC writes implement true O_SYNC. WITHOUT this option,
- Linux XFS behaves as if an "osyncisdsync" option is used,
- which will make writes to files opened with the O_SYNC flag set
- behave as if the O_DSYNC flag had been used instead.
- This can result in better performance without compromising
- data safety.
- However if this option is not in effect, timestamp updates from
- O_SYNC writes can be lost if the system crashes.
- If timestamp updates are critical, use the osyncisosync option.
-
uquota/usrquota/uqnoenforce/quota
User disk quota accounting enabled, and limits (optionally)
enforced. Refer to xfs_quota(8) for further details.