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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-04-19 16:31:23 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-05-01 17:05:59 -0700
commitd0769f552d8389cb6fe23b65b71bec7d9ba6b446 (patch)
treecdd649ad4232fce73872c9543a6f62f34f2b0e9a
parent12b1ca6601c0ff4bc4fe44f8d631cd3eeaf18c88 (diff)
NFS: Fix an Oops in nfs_setattr()
NFS: Fix an Oops in nfs_setattr() It looks like nfs_setattr() and nfs_rename() also need to test whether the target is a regular file before calling nfs_wb_all()... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--fs/nfs/dir.c3
-rw-r--r--fs/nfs/inode.c6
2 files changed, 6 insertions, 3 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index d9ba8cb0ee75..80b4264d4ea3 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1659,7 +1659,8 @@ go_ahead:
* ... prune child dentries and writebacks if needed.
*/
if (atomic_read(&old_dentry->d_count) > 1) {
- nfs_wb_all(old_inode);
+ if (S_ISREG(old_inode->i_mode))
+ nfs_wb_all(old_inode);
shrink_dcache_parent(old_dentry);
}
nfs_inode_return_delegation(old_inode);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 5a83e8d6ecb3..e8cacef4f8ec 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -334,8 +334,10 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr)
lock_kernel();
nfs_begin_data_update(inode);
/* Write all dirty data */
- filemap_write_and_wait(inode->i_mapping);
- nfs_wb_all(inode);
+ if (S_ISREG(inode->i_mode)) {
+ filemap_write_and_wait(inode->i_mapping);
+ nfs_wb_all(inode);
+ }
/*
* Return any delegations if we're going to change ACLs
*/