NFS: Make stat() return updated mtimes after a write()
The SuS states that a call to write() will cause mtime to be updated on
the file. In order to satisfy that requirement, we need to flush out
any cached writes in nfs_getattr().
Speed things up slightly by not committing the writes.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 1ce0c20..9449b68 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1377,22 +1377,23 @@
int nfs_sync_inode(struct inode *inode, unsigned long idx_start,
unsigned int npages, int how)
{
- int error,
- wait;
+ int nocommit = how & FLUSH_NOCOMMIT;
+ int wait = how & FLUSH_WAIT;
+ int error;
- wait = how & FLUSH_WAIT;
- how &= ~FLUSH_WAIT;
+ how &= ~(FLUSH_WAIT|FLUSH_NOCOMMIT);
do {
- error = 0;
- if (wait)
+ if (wait) {
error = nfs_wait_on_requests(inode, idx_start, npages);
- if (error == 0)
- error = nfs_flush_inode(inode, idx_start, npages, how);
-#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
- if (error == 0)
+ if (error != 0)
+ continue;
+ }
+ error = nfs_flush_inode(inode, idx_start, npages, how);
+ if (error != 0)
+ continue;
+ if (!nocommit)
error = nfs_commit_inode(inode, how);
-#endif
} while (error > 0);
return error;
}
