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| author | Pavel Shilovsky <piastry@etersoft.ru> | 2012-12-24 14:41:19 +0400 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2013-01-01 23:04:30 -0600 |
| commit | 63b7d3a41ccadef971a4ffbe6662119d4275ebf9 (patch) | |
| tree | 02ccbd85b5628cc1cb4cb982c74514fe8d851fdb /fs/cifs/cifsglob.h | |
| parent | 88cf75aaaf27a652b3e85960ac3060172dd3edac (diff) | |
| download | talos-obmc-linux-63b7d3a41ccadef971a4ffbe6662119d4275ebf9.tar.gz talos-obmc-linux-63b7d3a41ccadef971a4ffbe6662119d4275ebf9.zip | |
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/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index dfab450a191e..e6899cea1c35 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -386,6 +386,7 @@ struct smb_version_values { unsigned int cap_unix; unsigned int cap_nt_find; unsigned int cap_large_files; + unsigned int oplock_read; }; #define HEADER_SIZE(server) (server->vals->header_size) |
