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authorEric Sandeen <sandeen@sgi.com>2005-11-02 05:07:34 +0100
committerNathan Scott <nathans@sgi.com>2005-11-02 05:07:34 +0100
commit374e2ac33724d1dd432b6c75f9b1adf715c2add7 (patch)
tree385de6cc3d0d1b0f32936f33573288a14b0ce2ba
parent[XFS] Fix sparse warnings in ktrace.[ch] (diff)
downloadlinux-374e2ac33724d1dd432b6c75f9b1adf715c2add7.tar.xz
linux-374e2ac33724d1dd432b6c75f9b1adf715c2add7.zip
[XFS] Prevent data corruption on extending truncate case from cxfs client
SGI-PV: 942439 SGI-Modid: xfs-linux:xfs-kern:200152a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
-rw-r--r--fs/xfs/xfs_vnodeops.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 5bf9b2a0b57c..b564c1b25e5e 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -626,8 +626,10 @@ xfs_setattr(
*/
if (mask & XFS_AT_SIZE) {
code = 0;
- if (vap->va_size > ip->i_d.di_size)
+ if ((vap->va_size > ip->i_d.di_size) &&
+ (flags & ATTR_NOSIZETOK) == 0) {
code = xfs_igrow_start(ip, vap->va_size, credp);
+ }
xfs_iunlock(ip, XFS_ILOCK_EXCL);
if (!code)
code = xfs_itruncate_data(ip, vap->va_size);