diff mbox series

[2/2] NFS: Remove unnecessary inode lock in nfs_fsync_dir()

Message ID 20201030215730.85147-2-trondmy@kernel.org
State New
Headers show
Series [1/2] NFS: Remove unnecessary inode locking in nfs_llseek_dir() | expand

Commit Message

trondmy@kernel.org Oct. 30, 2020, 9:57 p.m. UTC
From: Trond Myklebust <trond.myklebust@hammerspace.com>

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(-)

Comments

Benjamin Coddington Nov. 3, 2020, 11:14 a.m. UTC | #1
On 30 Oct 2020, at 17:57, trondmy@kernel.org wrote:

> From: Trond Myklebust <trond.myklebust@hammerspace.com>
>
> 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>

Reviewed-by: Benjamin Coddington <bcodding@redhat.com>

Ben
diff mbox series

Patch

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;
 }