NeilBrown
b5872b0dcc
[PATCH] knfsd: nfsd4: fix acl xattr length return
...
We should be using the length from the second vfs_getxattr, in case it
changed. (Note: there's still a small race here; we could end up returning
-ENOMEM if the length increased between the first and second call. I don't
know whether it's worth spending a lot of effort to fix that.)
This makes XFS ACLs usable on NFS exports, which they currently aren't, since
XFS appears to be returning a too-large value for vfs_getxattr() when it's
passed a NULL buffer. So there's probably an XFS bug here too, though since
getxattr with a NULL buffer is usually used to decide how much memory to
allocate, it may be a fairly harmless bug in most cases.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11 06:18:51 -07:00
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