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authorPavel Shilovsky <piastry@etersoft.ru>2011-10-29 17:17:57 +0400
committerSteve French <smfrench@gmail.com>2011-10-29 22:03:14 -0500
commit5079276066cc421b48a6a63a54a34775979e8506 (patch)
treee24d9df48c301023532945a67b476bedf4d27a36
parent8ea00c6977d8b1463ee86d6689c8ef35ee2529a0 (diff)
downloadop-kernel-dev-5079276066cc421b48a6a63a54a34775979e8506.zip
op-kernel-dev-5079276066cc421b48a6a63a54a34775979e8506.tar.gz
CIFS: Fix the VFS brlock cache usage in posix locking case
Request to the cache in FL_POSIX case only. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
-rw-r--r--fs/cifs/file.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 91e05f2..c1f063c 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -793,6 +793,9 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock)
struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
unsigned char saved_type = flock->fl_type;
+ if ((flock->fl_flags & FL_POSIX) == 0)
+ return 1;
+
mutex_lock(&cinode->lock_mutex);
posix_test_lock(file, flock);
@@ -809,12 +812,15 @@ static int
cifs_posix_lock_set(struct file *file, struct file_lock *flock)
{
struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
- int rc;
+ int rc = 1;
+
+ if ((flock->fl_flags & FL_POSIX) == 0)
+ return rc;
mutex_lock(&cinode->lock_mutex);
if (!cinode->can_cache_brlcks) {
mutex_unlock(&cinode->lock_mutex);
- return 1;
+ return rc;
}
rc = posix_lock_file_wait(file, flock);
mutex_unlock(&cinode->lock_mutex);
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