diff options
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/cifsglob.h | 6 | ||||
| -rw-r--r-- | fs/cifs/file.c | 17 |
2 files changed, 15 insertions, 8 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index bcdf4d4420f1..497da5ce704c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -765,13 +765,13 @@ struct cifs_io_parms { * Take a reference on the file private data. Must be called with * cifs_file_list_lock held. */ -static inline -struct cifsFileInfo *cifsFileInfo_get(struct cifsFileInfo *cifs_file) +static inline void +cifsFileInfo_get_locked(struct cifsFileInfo *cifs_file) { ++cifs_file->count; - return cifs_file; } +struct cifsFileInfo *cifsFileInfo_get(struct cifsFileInfo *cifs_file); void cifsFileInfo_put(struct cifsFileInfo *cifs_file); /* diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 07e9d41cade7..9154192b0683 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -284,6 +284,15 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file, static void cifs_del_lock_waiters(struct cifsLockInfo *lock); +struct cifsFileInfo * +cifsFileInfo_get(struct cifsFileInfo *cifs_file) +{ + spin_lock(&cifs_file_list_lock); + cifsFileInfo_get_locked(cifs_file); + spin_unlock(&cifs_file_list_lock); + return cifs_file; +} + /* * Release a reference on the file private data. This may involve closing * the filehandle out on the server. Must be called without holding @@ -1562,7 +1571,7 @@ struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode, if (!open_file->invalidHandle) { /* found a good file */ /* lock it so it will not be closed on us */ - cifsFileInfo_get(open_file); + cifsFileInfo_get_locked(open_file); spin_unlock(&cifs_file_list_lock); return open_file; } /* else might as well continue, and look for @@ -1614,7 +1623,7 @@ refind_writable: if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) { if (!open_file->invalidHandle) { /* found a good writable file */ - cifsFileInfo_get(open_file); + cifsFileInfo_get_locked(open_file); spin_unlock(&cifs_file_list_lock); return open_file; } else { @@ -1631,7 +1640,7 @@ refind_writable: if (inv_file) { any_available = false; - cifsFileInfo_get(inv_file); + cifsFileInfo_get_locked(inv_file); } spin_unlock(&cifs_file_list_lock); @@ -3082,8 +3091,6 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, break; } - spin_lock(&cifs_file_list_lock); - spin_unlock(&cifs_file_list_lock); rdata->cfile = cifsFileInfo_get(open_file); rdata->mapping = mapping; rdata->offset = offset; |