summaryrefslogtreecommitdiffstats
path: root/fs/cifs/cifsglob.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 14:33:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 14:33:13 -0700
commit6cdb5930a6fa0e35b236f4aa0e056001fe1384b4 (patch)
treef7627d65c283ab122d69c20605355cb2c397f112 /fs/cifs/cifsglob.h
parent99bc47067910f7070e65ee318a6dd79a2371f1e5 (diff)
parent9162ab2000e08be076883b5a295a771223264ce8 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: consolidate reconnect logic in smb_init routines cifs: Replace wrtPending with a real reference count cifs: protect GlobalOplock_Q with its own spinlock cifs: use tcon pointer in cifs_show_options cifs: send IPv6 addr in upcall with colon delimiters [CIFS] Fix checkpatch warnings PATCH] cifs: fix broken mounts when a SSH tunnel is used (try #4) [CIFS] Memory leak in ntlmv2 hash calculation [CIFS] potential NULL dereference in parse_DFS_referrals()
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h21
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 6084d6379c0..6cfc81a3270 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -351,11 +351,24 @@ struct cifsFileInfo {
bool closePend:1; /* file is marked to close */
bool invalidHandle:1; /* file closed via session abend */
bool messageMode:1; /* for pipes: message vs byte mode */
- atomic_t wrtPending; /* handle in use - defer close */
+ atomic_t count; /* reference count */
struct mutex fh_mutex; /* prevents reopen race after dead ses*/
struct cifs_search_info srch_inf;
};
+/* Take a reference on the file private data */
+static inline void cifsFileInfo_get(struct cifsFileInfo *cifs_file)
+{
+ atomic_inc(&cifs_file->count);
+}
+
+/* Release a reference on the file private data */
+static inline void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
+{
+ if (atomic_dec_and_test(&cifs_file->count))
+ kfree(cifs_file);
+}
+
/*
* One of these for each file inode
*/
@@ -656,7 +669,11 @@ GLOBAL_EXTERN rwlock_t cifs_tcp_ses_lock;
*/
GLOBAL_EXTERN rwlock_t GlobalSMBSeslock;
-GLOBAL_EXTERN struct list_head GlobalOplock_Q;
+/* Global list of oplocks */
+GLOBAL_EXTERN struct list_head cifs_oplock_list;
+
+/* Protects the cifs_oplock_list */
+GLOBAL_EXTERN spinlock_t cifs_oplock_lock;
/* Outstanding dir notify requests */
GLOBAL_EXTERN struct list_head GlobalDnotifyReqList;