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authorChristoph Hellwig <hch@infradead.org>2009-12-23 16:09:13 +0000
committerAlex Elder <aelder@sgi.com>2010-01-10 12:21:58 -0600
commitd6d59bada372bcf8bd36c3bbc71c485c29dd2a4b (patch)
tree140a4625597ffac953ce1d0dbbfed7caa436e053 /fs/xfs/linux-2.6/xfs_acl.c
parentxfs: use DECLARE_EVENT_CLASS (diff)
downloadlinux-dev-d6d59bada372bcf8bd36c3bbc71c485c29dd2a4b.tar.xz
linux-dev-d6d59bada372bcf8bd36c3bbc71c485c29dd2a4b.zip
xfs: fix timestamp handling in xfs_setattr
We currently have some rather odd code in xfs_setattr for updating the a/c/mtime timestamps: - first we do a non-transaction update if all three are updated together - second we implicitly update the ctime for various changes instead of relying on the ATTR_CTIME flag - third we set the timestamps to the current time instead of the arguments in the iattr structure in many cases. This patch makes sure we update it in a consistent way: - always transactional - ctime is only updated if ATTR_CTIME is set or we do a size update, which is a special case - always to the times passed in from the caller instead of the current time The only non-size caller of xfs_setattr that doesn't come from the VFS is updated to set ATTR_CTIME and pass in a valid ctime value. Reported-by: Eric Blake <ebb9@byu.net> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_acl.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_acl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c
index 2512125dfa7c..883ca5ab8af5 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/linux-2.6/xfs_acl.c
@@ -251,8 +251,9 @@ xfs_set_mode(struct inode *inode, mode_t mode)
if (mode != inode->i_mode) {
struct iattr iattr;
- iattr.ia_valid = ATTR_MODE;
+ iattr.ia_valid = ATTR_MODE | ATTR_CTIME;
iattr.ia_mode = mode;
+ iattr.ia_ctime = current_fs_time(inode->i_sb);
error = -xfs_setattr(XFS_I(inode), &iattr, XFS_ATTR_NOACL);
}