diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-09-19 16:21:59 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-09-19 16:21:59 -0700 |
commit | ab048fb1aafff7883a6bbe62b5354fbc2fa5597c (patch) | |
tree | 020842de956b7f5ce881dbcb37ce8c1a91d6654d /fs/xfs/linux-2.6/xfs_super.c | |
parent | 5a0cd4eb661fea095ff9962060c21c161a9ed43f (diff) | |
parent | 2fd6f6ec64ff347447d26646ac6188f3658b383c (diff) |
Merge git://oss.sgi.com:8090/xfs/linux-2.6
* git://oss.sgi.com:8090/xfs/linux-2.6:
[XFS] Don't do I/O beyond eof when unreserving space
[XFS] Fix use-after-free with buffers
[XFS] Prevent lockdep false positives when locking two inodes.
[XFS] Fix barrier status change detection.
[XFS] Prevent direct I/O from mapping extents beyond eof
[XFS] Fix regression introduced by remount fixup
[XFS] Move memory allocations for log tracing out of the critical path
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_super.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 73c65f19e54..18d3c848783 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -1302,9 +1302,29 @@ xfs_fs_remount( mp->m_flags &= ~XFS_MOUNT_BARRIER; break; default: + /* + * Logically we would return an error here to prevent + * users from believing they might have changed + * mount options using remount which can't be changed. + * + * But unfortunately mount(8) adds all options from + * mtab and fstab to the mount arguments in some cases + * so we can't blindly reject options, but have to + * check for each specified option if it actually + * differs from the currently set option and only + * reject it if that's the case. + * + * Until that is implemented we return success for + * every remount request, and silently ignore all + * options that we can't actually change. + */ +#if 0 printk(KERN_INFO "XFS: mount option \"%s\" not supported for remount\n", p); return -EINVAL; +#else + return 0; +#endif } } |