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From: "J. Bruce Fields" <bfields@redhat.com>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	"J. Bruce Fields" <bfields@redhat.com>
Subject: [RFC PATCH 08/13] namei: minor vfs_unlink cleanup
Date: Wed,  5 Sep 2012 16:55:18 -0400	[thread overview]
Message-ID: <1346878524-10585-9-git-send-email-bfields@redhat.com> (raw)
In-Reply-To: <1346878524-10585-1-git-send-email-bfields@redhat.com>

From: "J. Bruce Fields" <bfields@redhat.com>

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

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
 fs/namei.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 6156135..10d6622 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3307,6 +3307,7 @@ 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)
@@ -3315,7 +3316,7 @@ 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 {
@@ -3326,11 +3327,11 @@ 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


  parent reply	other threads:[~2012-09-05 20:55 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-05 20:55 [RFC PATCH 00/13] Implement NFSv4 delegations, take 4 J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 01/13] gfs2: Get rid of I_MUTEX_QUOTA usage J. Bruce Fields
2012-09-05 20:59   ` J. Bruce Fields
2012-09-06 14:27     ` Steven Whitehouse
2012-09-06 17:08       ` J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 02/13] vfs: pull ext4's double-i_mutex-locking into common code J. Bruce Fields
2012-09-06  2:53   ` Guo Chao
2012-09-06 13:49     ` J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 03/13] vfs: don't use PARENT/CHILD lock classes for non-directories J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 04/13] vfs: rename I_MUTEX_QUOTA now that it's not used for quotas J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 05/13] vfs: take i_mutex on renamed file J. Bruce Fields
2012-09-06  3:05   ` Guo Chao
2012-09-06 17:51     ` J. Bruce Fields
2012-09-07  2:27       ` Guo Chao
2012-09-07 21:39         ` J. Bruce Fields
2012-09-10  2:40           ` Guo Chao
2012-09-10  5:10             ` Ram Pai
2012-09-10  6:37               ` Guo Chao
2012-09-10  7:27                 ` Ram Pai
2013-02-14  2:01                   ` Al Viro
2012-09-10 14:35             ` J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 06/13] locks: introduce new FL_DELEG lock flag J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 07/13] locks: implement delegations J. Bruce Fields
2012-09-05 20:55 ` J. Bruce Fields [this message]
2012-09-05 20:55 ` [RFC PATCH 09/13] locks: break delegations on unlink J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 10/13] locks: helper functions for delegation breaking J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 11/13] locks: break delegations on rename J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 12/13] locks: break delegations on link J. Bruce Fields
2012-09-05 21:02   ` J. Bruce Fields
2012-09-06 11:01     ` Jeff Layton
2012-09-06 13:33       ` J. Bruce Fields
2012-09-05 20:55 ` [RFC PATCH 13/13] locks: break delegations on any attribute modification J. Bruce Fields

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