diff options
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index f100399ee05e..6cfc81a32703 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 */ |