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authorJeff Layton <jlayton@primarydata.com>2014-08-09 10:16:44 -0400
committerSteve French <smfrench@gmail.com>2014-08-15 23:01:52 -0500
commit024408062b21af7316221c420ff16bdaac478fa8 (patch)
treec2f521ad6627e7c509ca2905012d915340976353 /fs/cifs/cifsfs.c
parentd43cc79343dfabf9f168531d3f5cff313205c8fb (diff)
cifs: handle lease F_UNLCK requests properly
Currently any F_UNLCK request for a lease just gets back -EAGAIN. Allow them to go immediately to generic_setlease instead. Signed-off-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r--fs/cifs/cifsfs.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 888398067420..0a4a4d7d407e 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -812,8 +812,9 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
if (!(S_ISREG(inode->i_mode)))
return -EINVAL;
- /* check if file is oplocked */
- if (((arg == F_RDLCK) && CIFS_CACHE_READ(CIFS_I(inode))) ||
+ /* Check if file is oplocked if this is request for new lease */
+ if (arg == F_UNLCK ||
+ ((arg == F_RDLCK) && CIFS_CACHE_READ(CIFS_I(inode))) ||
((arg == F_WRLCK) && CIFS_CACHE_WRITE(CIFS_I(inode))))
return generic_setlease(file, arg, lease);
else if (tlink_tcon(cfile->tlink)->local_lease &&