diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 14:33:13 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 14:33:13 -0700 |
commit | 6cdb5930a6fa0e35b236f4aa0e056001fe1384b4 (patch) | |
tree | f7627d65c283ab122d69c20605355cb2c397f112 /fs/cifs/cifsglob.h | |
parent | 99bc47067910f7070e65ee318a6dd79a2371f1e5 (diff) | |
parent | 9162ab2000e08be076883b5a295a771223264ce8 (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.h | 21 |
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; |