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authorPavel Shilovsky <piastry@etersoft.ru>2012-12-24 14:41:19 +0400
committerSteve French <smfrench@gmail.com>2013-01-01 23:04:30 -0600
commit63b7d3a41ccadef971a4ffbe6662119d4275ebf9 (patch)
tree02ccbd85b5628cc1cb4cb982c74514fe8d851fdb /fs/cifs/smb1ops.c
parent88cf75aaaf27a652b3e85960ac3060172dd3edac (diff)
downloadlinux-63b7d3a41ccadef971a4ffbe6662119d4275ebf9.tar.bz2
CIFS: Don't let read only caching for mandatory byte-range locked files
If we have mandatory byte-range locks on a file we can't cache reads because pagereading may have conflicts with these locks on the server. That's why we should allow level2 oplocks for files without mandatory locks only. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb1ops.c')
-rw-r--r--fs/cifs/smb1ops.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index dd79056c0581..47bc5a87f94e 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -959,4 +959,5 @@ struct smb_version_values smb1_values = {
.cap_unix = CAP_UNIX,
.cap_nt_find = CAP_NT_SMBS | CAP_NT_FIND,
.cap_large_files = CAP_LARGE_FILES,
+ .oplock_read = OPLOCK_READ,
};