diff options
Diffstat (limited to 'fs/cifs/fcntl.c')
-rw-r--r-- | fs/cifs/fcntl.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/fs/cifs/fcntl.c b/fs/cifs/fcntl.c deleted file mode 100644 index 5a57581eb4b2..000000000000 --- a/fs/cifs/fcntl.c +++ /dev/null | |||
@@ -1,118 +0,0 @@ | |||
1 | /* | ||
2 | * fs/cifs/fcntl.c | ||
3 | * | ||
4 | * vfs operations that deal with the file control API | ||
5 | * | ||
6 | * Copyright (C) International Business Machines Corp., 2003,2004 | ||
7 | * Author(s): Steve French (sfrench@us.ibm.com) | ||
8 | * | ||
9 | * This library is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU Lesser General Public License as published | ||
11 | * by the Free Software Foundation; either version 2.1 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This library is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | ||
17 | * the GNU Lesser General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU Lesser General Public License | ||
20 | * along with this library; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | */ | ||
23 | #include <linux/fs.h> | ||
24 | #include <linux/stat.h> | ||
25 | #include <linux/fcntl.h> | ||
26 | #include "cifsglob.h" | ||
27 | #include "cifsproto.h" | ||
28 | #include "cifs_unicode.h" | ||
29 | #include "cifs_debug.h" | ||
30 | #include "cifsfs.h" | ||
31 | |||
32 | static __u32 convert_to_cifs_notify_flags(unsigned long fcntl_notify_flags) | ||
33 | { | ||
34 | __u32 cifs_ntfy_flags = 0; | ||
35 | |||
36 | /* No way on Linux VFS to ask to monitor xattr | ||
37 | changes (and no stream support either */ | ||
38 | if (fcntl_notify_flags & DN_ACCESS) | ||
39 | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_ACCESS; | ||
40 | if (fcntl_notify_flags & DN_MODIFY) { | ||
41 | /* What does this mean on directories? */ | ||
42 | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE | | ||
43 | FILE_NOTIFY_CHANGE_SIZE; | ||
44 | } | ||
45 | if (fcntl_notify_flags & DN_CREATE) { | ||
46 | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_CREATION | | ||
47 | FILE_NOTIFY_CHANGE_LAST_WRITE; | ||
48 | } | ||
49 | if (fcntl_notify_flags & DN_DELETE) | ||
50 | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE; | ||
51 | if (fcntl_notify_flags & DN_RENAME) { | ||
52 | /* BB review this - checking various server behaviors */ | ||
53 | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_DIR_NAME | | ||
54 | FILE_NOTIFY_CHANGE_FILE_NAME; | ||
55 | } | ||
56 | if (fcntl_notify_flags & DN_ATTRIB) { | ||
57 | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_SECURITY | | ||
58 | FILE_NOTIFY_CHANGE_ATTRIBUTES; | ||
59 | } | ||
60 | /* if (fcntl_notify_flags & DN_MULTISHOT) { | ||
61 | cifs_ntfy_flags |= ; | ||
62 | } */ /* BB fixme - not sure how to handle this with CIFS yet */ | ||
63 | |||
64 | return cifs_ntfy_flags; | ||
65 | } | ||
66 | |||
67 | int cifs_dir_notify(struct file *file, unsigned long arg) | ||
68 | { | ||
69 | int xid; | ||
70 | int rc = -EINVAL; | ||
71 | int oplock = 0; | ||
72 | struct cifs_sb_info *cifs_sb; | ||
73 | struct cifsTconInfo *pTcon; | ||
74 | char *full_path = NULL; | ||
75 | __u32 filter = FILE_NOTIFY_CHANGE_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES; | ||
76 | __u16 netfid; | ||
77 | |||
78 | if (experimEnabled == 0) | ||
79 | return 0; | ||
80 | |||
81 | xid = GetXid(); | ||
82 | cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); | ||
83 | pTcon = cifs_sb->tcon; | ||
84 | |||
85 | full_path = build_path_from_dentry(file->f_path.dentry); | ||
86 | |||
87 | if (full_path == NULL) { | ||
88 | rc = -ENOMEM; | ||
89 | } else { | ||
90 | cFYI(1, ("dir notify on file %s Arg 0x%lx", full_path, arg)); | ||
91 | rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, | ||
92 | GENERIC_READ | SYNCHRONIZE, 0 /* create options */, | ||
93 | &netfid, &oplock, NULL, cifs_sb->local_nls, | ||
94 | cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); | ||
95 | /* BB fixme - add this handle to a notify handle list */ | ||
96 | if (rc) { | ||
97 | cFYI(1, ("Could not open directory for notify")); | ||
98 | } else { | ||
99 | filter = convert_to_cifs_notify_flags(arg); | ||
100 | if (filter != 0) { | ||
101 | rc = CIFSSMBNotify(xid, pTcon, | ||
102 | 0 /* no subdirs */, netfid, | ||
103 | filter, file, arg & DN_MULTISHOT, | ||
104 | cifs_sb->local_nls); | ||
105 | } else { | ||
106 | rc = -EINVAL; | ||
107 | } | ||
108 | /* BB add code to close file eventually (at unmount | ||
109 | it would close automatically but may be a way | ||
110 | to do it easily when inode freed or when | ||
111 | notify info is cleared/changed */ | ||
112 | cFYI(1, ("notify rc %d", rc)); | ||
113 | } | ||
114 | } | ||
115 | |||
116 | FreeXid(xid); | ||
117 | return rc; | ||
118 | } | ||