CIFS: Implement cifs_file_strict_mmap (try #2)
Invalidate inode mapping if we don't have at least Level II oplock.
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index f6093e4..e24d966 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -743,7 +743,7 @@
.lock = cifs_lock,
.fsync = cifs_strict_fsync,
.flush = cifs_flush,
- .mmap = cifs_file_mmap,
+ .mmap = cifs_file_strict_mmap,
.splice_read = generic_file_splice_read,
.llseek = cifs_llseek,
#ifdef CONFIG_CIFS_POSIX
@@ -798,7 +798,7 @@
.release = cifs_close,
.fsync = cifs_strict_fsync,
.flush = cifs_flush,
- .mmap = cifs_file_mmap,
+ .mmap = cifs_file_strict_mmap,
.splice_read = generic_file_splice_read,
.llseek = cifs_llseek,
#ifdef CONFIG_CIFS_POSIX