[PATCH v4 02/21] NFS: Remove unnecessary inode lock in nfs_fsync_dir()

trondmy
2020-11-07T14:13:39Z

nfs_inc_stats() is already thread-safe, and there are no other reasons
to hold the inode lock here.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
fs/nfs/dir.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index e56b1bd99537..4e011adaf967 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -997,13 +997,9 @@ static loff_t nfs_llseek_dir(struct file *filp, loff_t offset, int whence)
static int nfs_fsync_dir(struct file *filp, loff_t start, loff_t end,
int datasync)
{
- struct inode *inode = file_inode(filp);
-
dfprintk(FILE, "NFS: fsync dir(%pD2) datasync %d\n", filp, datasync);

- inode_lock(inode);
- nfs_inc_stats(inode, NFSIOS_VFSFSYNC);
- inode_unlock(inode);
+ nfs_inc_stats(file_inode(filp), NFSIOS_VFSFSYNC);
return 0;
}

--
2.28.0