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-rw-r--r--fs/cifs/cifsglob.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c0f3718b77a..30f6e9251a4 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -228,6 +228,8 @@ struct smb_version_operations {
/* verify the message */
int (*check_message)(char *, unsigned int);
bool (*is_oplock_break)(char *, struct TCP_Server_Info *);
+ void (*downgrade_oplock)(struct TCP_Server_Info *,
+ struct cifsInodeInfo *, bool);
/* process transaction2 response */
bool (*check_trans2)(struct mid_q_entry *, struct TCP_Server_Info *,
char *, int);
@@ -1113,6 +1115,12 @@ struct cifsInodeInfo {
unsigned int epoch; /* used to track lease state changes */
bool delete_pending; /* DELETE_ON_CLOSE is set */
bool invalid_mapping; /* pagecache is invalid */
+ unsigned long flags;
+#define CIFS_INODE_PENDING_OPLOCK_BREAK (0) /* oplock break in progress */
+#define CIFS_INODE_PENDING_WRITERS (1) /* Writes in progress */
+#define CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2 (2) /* Downgrade oplock to L2 */
+ spinlock_t writers_lock;
+ unsigned int writers; /* Number of writers on this inode */
unsigned long time; /* jiffies of last update of inode */
u64 server_eof; /* current file size on server -- protected by i_lock */
u64 uniqueid; /* server inode number */