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authorJ. Bruce Fields <bfields@redhat.com>2012-08-28 07:50:40 -0700
committerAl Viro <viro@zeniv.linux.org.uk>2013-11-09 00:16:42 -0500
commit5a14696c1795d3843673b5cf1982d0e5357a5bbf (patch)
tree8d0ec4f82f90fc5f3e50cfc8cdd78ee7a4fb2263 /fs/namei.c
parentb21996e36c8e3b92a84e972378bde80b43acd890 (diff)
downloadlinux-5a14696c1795d3843673b5cf1982d0e5357a5bbf.tar.bz2
locks: helper functions for delegation breaking
We'll need the same logic for rename and link. Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 67ce331a3ed8..cfaeaae0f2db 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3650,14 +3650,9 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry, struct inode **delegate
else {
error = security_inode_unlink(dir, dentry);
if (!error) {
- error = break_deleg(target, O_WRONLY|O_NONBLOCK);
- if (error) {
- if (error == -EWOULDBLOCK && delegated_inode) {
- *delegated_inode = target;
- ihold(target);
- }
+ error = try_break_deleg(target, delegated_inode);
+ if (error)
goto out;
- }
error = dir->i_op->unlink(dir, dentry);
if (!error)
dont_mount(dentry);
@@ -3727,9 +3722,7 @@ exit2:
iput(inode); /* truncate the inode here */
inode = NULL;
if (delegated_inode) {
- error = break_deleg(delegated_inode, O_WRONLY);
- iput(delegated_inode);
- delegated_inode = NULL;
+ error = break_deleg_wait(&delegated_inode);
if (!error)
goto retry_deleg;
}