Reviewed-by: Jeff Layton <[email protected]>
Signed-off-by: Pavel Shilovsky <[email protected]>
---
 fs/cifs/file.c |   32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index be0c3ea..54541a6 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1047,9 +1047,8 @@ struct lock_to_push {
 };
 
 static int
-cifs_push_posix_locks(struct cifsFileInfo *cfile)
+cifs_push_posix_locks_locked(struct cifsFileInfo *cfile)
 {
-       struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
        struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
        struct file_lock *flock, **before;
        unsigned int count = 0, i = 0;
@@ -1060,14 +1059,6 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
 
        xid = get_xid();
 
-       /* we are going to update can_cache_brlcks here - need a write access */
-       down_write(&cinode->lock_sem);
-       if (!cinode->can_cache_brlcks) {
-               up_write(&cinode->lock_sem);
-               free_xid(xid);
-               return rc;
-       }
-
        lock_flocks();
        cifs_for_each_lock(cfile->dentry->d_inode, before) {
                if ((*before)->fl_flags & FL_POSIX)
@@ -1133,9 +1124,6 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
        }
 
 out:
-       cinode->can_cache_brlcks = false;
-       up_write(&cinode->lock_sem);
-
        free_xid(xid);
        return rc;
 err_out:
@@ -1147,6 +1135,24 @@ err_out:
 }
 
 static int
+cifs_push_posix_locks(struct cifsFileInfo *cfile)
+{
+       struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
+       int rc = 0;
+
+       /* we are going to update can_cache_brlcks here - need a write access */
+       down_write(&cinode->lock_sem);
+       if (!cinode->can_cache_brlcks) {
+               up_write(&cinode->lock_sem);
+               return rc;
+       }
+       rc = cifs_push_posix_locks_locked(cfile);
+       cinode->can_cache_brlcks = false;
+       up_write(&cinode->lock_sem);
+       return rc;
+}
+
+static int
 cifs_push_locks(struct cifsFileInfo *cfile)
 {
        struct cifs_sb_info *cifs_sb = CIFS_SB(cfile->dentry->d_sb);
-- 
1.7.10.4

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