-stable review patch. If anyone has any objections, please let us know.
------------------
From: Trond Myklebust <[email protected]>
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 <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Cc: Chuck Ebbert <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/nfs/dir.c | 3 ++-
fs/nfs/inode.c | 6 ++++--
2 files changed, 6 insertions(+), 3 deletions(-)
--- 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);
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -334,8 +334,10 @@ nfs_setattr(struct dentry *dentry, struc
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
*/
--
-
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