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From: "J. Bruce Fields" <bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
Cc: linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	Dave Chinner <david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org>,
	"J. Bruce Fields"
	<bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH 07/12] namei: minor vfs_unlink cleanup
Date: Thu,  5 Sep 2013 12:30:15 -0400	[thread overview]
Message-ID: <1378398620-23018-12-git-send-email-bfields@redhat.com> (raw)
In-Reply-To: <1378398620-23018-1-git-send-email-bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

From: "J. Bruce Fields" <bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

We'll be using dentry->d_inode in one more place.

Acked-by: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Signed-off-by: J. Bruce Fields <bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
 fs/namei.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index b732d77..adccf24 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3433,6 +3433,7 @@ SYSCALL_DEFINE1(rmdir, const char __user *, pathname)
 
 int vfs_unlink(struct inode *dir, struct dentry *dentry)
 {
+	struct inode *target = dentry->d_inode;
 	int error = may_delete(dir, dentry, 0);
 
 	if (error)
@@ -3441,7 +3442,7 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
 	if (!dir->i_op->unlink)
 		return -EPERM;
 
-	mutex_lock(&dentry->d_inode->i_mutex);
+	mutex_lock(&target->i_mutex);
 	if (d_mountpoint(dentry))
 		error = -EBUSY;
 	else {
@@ -3452,11 +3453,11 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
 				dont_mount(dentry);
 		}
 	}
-	mutex_unlock(&dentry->d_inode->i_mutex);
+	mutex_unlock(&target->i_mutex);
 
 	/* We don't d_delete() NFS sillyrenamed files--they still exist. */
 	if (!error && !(dentry->d_flags & DCACHE_NFSFS_RENAMED)) {
-		fsnotify_link_count(dentry->d_inode);
+		fsnotify_link_count(target);
 		d_delete(dentry);
 	}
 
-- 
1.7.9.5

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  parent reply	other threads:[~2013-09-05 16:30 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-05 16:30 [PATCH 00/12] Implement NFSv4 delegations, take 10 J. Bruce Fields
2013-09-05 16:30 ` [PATCH 1/4] rpc: clean up decoding of gssproxy linux creds J. Bruce Fields
     [not found]   ` <1378398620-23018-2-git-send-email-bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-09-05 16:38     ` J. Bruce Fields
2013-09-05 16:30 ` [PATCH 01/12] vfs: pull ext4's double-i_mutex-locking into common code J. Bruce Fields
2013-09-05 16:30 ` [PATCH 2/4] rpc: comment on linux_cred encoding, treat all as unsigned J. Bruce Fields
2013-09-05 16:30 ` [PATCH 02/12] vfs: don't use PARENT/CHILD lock classes for non-directories J. Bruce Fields
2013-09-05 16:30 ` [PATCH 3/4] rpc: fix huge kmalloc's in gss-proxy J. Bruce Fields
2013-09-05 16:30 ` [PATCH 4/4] rpc: let xdr layer allocate gssproxy receieve pages J. Bruce Fields
2013-09-05 16:30 ` [PATCH 04/12] vfs: take i_mutex on renamed file J. Bruce Fields
2013-09-05 16:30 ` [PATCH 06/12] locks: implement delegations J. Bruce Fields
2013-09-05 16:30 ` [PATCH 08/12] locks: break delegations on unlink J. Bruce Fields
     [not found] ` <1378398620-23018-1-git-send-email-bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-09-05 16:30   ` [PATCH 03/12] vfs: rename I_MUTEX_QUOTA now that it's not used for quotas J. Bruce Fields
2013-09-05 16:30   ` [PATCH 05/12] locks: introduce new FL_DELEG lock flag J. Bruce Fields
2013-09-05 16:30   ` J. Bruce Fields [this message]
2013-09-05 16:30   ` [PATCH 09/12] locks: helper functions for delegation breaking J. Bruce Fields
2013-09-05 16:30   ` [PATCH 10/12] locks: break delegations on rename J. Bruce Fields
2013-09-05 16:30   ` [PATCH 11/12] locks: break delegations on link J. Bruce Fields
2013-09-05 16:30 ` [PATCH 12/12] locks: break delegations on any attribute modification J. Bruce Fields
2013-09-11 14:08 ` [PATCH 00/12] Implement NFSv4 delegations, take 10 J. Bruce Fields
  -- strict thread matches above, loose matches on Subject: below --
2013-07-03 20:12 [PATCH 00/12] Implement NFSv4 delegations, take 8 J. Bruce Fields
2013-07-03 20:12 ` [PATCH 07/12] namei: minor vfs_unlink cleanup J. Bruce Fields
     [not found]   ` <1372882356-14168-8-git-send-email-bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-07-09 12:50     ` Jeff Layton
2013-04-17  1:46 [PATCH 00/12] Implement NFSv4 delegations, take 7 J. Bruce Fields
     [not found] ` <1366163185-10317-1-git-send-email-bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-04-17  1:46   ` [PATCH 07/12] namei: minor vfs_unlink cleanup J. Bruce Fields
2013-02-03 16:31 [PATCH 00/12] Implement NFSv4 delegations, take 6 J. Bruce Fields
2013-02-03 16:31 ` [PATCH 07/12] namei: minor vfs_unlink cleanup J. Bruce Fields
2012-10-16 22:01 [PATCH 00/12] Implement NFSv4 delegations, take 5 J. Bruce Fields
2012-10-16 22:01 ` [PATCH 07/12] namei: minor vfs_unlink cleanup J. Bruce Fields

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