diff options
author | Steven Whitehouse <swhiteho@redhat.com> | 2009-08-26 13:51:04 -0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2009-08-26 13:51:04 -0400 |
commit | 307cf6e63cfa5025589ea1a06db44439a43819ff (patch) | |
tree | a1c8be1c2af112dc055a16569487cdcd99ebfdb2 /fs/gfs2/xattr.h | |
parent | 40b78a322365aa1d87770200f7fc7de3b361c11a (diff) |
GFS2: Rename eattr.[ch] as xattr.[ch]
Use the more conventional name for the extended attribute
support code. Update all the places which care.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/xattr.h')
-rw-r--r-- | fs/gfs2/xattr.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/fs/gfs2/xattr.h b/fs/gfs2/xattr.h new file mode 100644 index 000000000000..4040a188f63b --- /dev/null +++ b/fs/gfs2/xattr.h | |||
@@ -0,0 +1,72 @@ | |||
1 | /* | ||
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | ||
3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. | ||
4 | * | ||
5 | * This copyrighted material is made available to anyone wishing to use, | ||
6 | * modify, copy, or redistribute it subject to the terms and conditions | ||
7 | * of the GNU General Public License version 2. | ||
8 | */ | ||
9 | |||
10 | #ifndef __EATTR_DOT_H__ | ||
11 | #define __EATTR_DOT_H__ | ||
12 | |||
13 | struct gfs2_inode; | ||
14 | struct iattr; | ||
15 | |||
16 | #define GFS2_EA_REC_LEN(ea) be32_to_cpu((ea)->ea_rec_len) | ||
17 | #define GFS2_EA_DATA_LEN(ea) be32_to_cpu((ea)->ea_data_len) | ||
18 | |||
19 | #define GFS2_EA_SIZE(ea) \ | ||
20 | ALIGN(sizeof(struct gfs2_ea_header) + (ea)->ea_name_len + \ | ||
21 | ((GFS2_EA_IS_STUFFED(ea)) ? GFS2_EA_DATA_LEN(ea) : \ | ||
22 | (sizeof(__be64) * (ea)->ea_num_ptrs)), 8) | ||
23 | |||
24 | #define GFS2_EA_IS_STUFFED(ea) (!(ea)->ea_num_ptrs) | ||
25 | #define GFS2_EA_IS_LAST(ea) ((ea)->ea_flags & GFS2_EAFLAG_LAST) | ||
26 | |||
27 | #define GFS2_EAREQ_SIZE_STUFFED(er) \ | ||
28 | ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + (er)->er_data_len, 8) | ||
29 | |||
30 | #define GFS2_EA2NAME(ea) ((char *)((struct gfs2_ea_header *)(ea) + 1)) | ||
31 | #define GFS2_EA2DATA(ea) (GFS2_EA2NAME(ea) + (ea)->ea_name_len) | ||
32 | |||
33 | #define GFS2_EA2DATAPTRS(ea) \ | ||
34 | ((__be64 *)(GFS2_EA2NAME(ea) + ALIGN((ea)->ea_name_len, 8))) | ||
35 | |||
36 | #define GFS2_EA2NEXT(ea) \ | ||
37 | ((struct gfs2_ea_header *)((char *)(ea) + GFS2_EA_REC_LEN(ea))) | ||
38 | |||
39 | #define GFS2_EA_BH2FIRST(bh) \ | ||
40 | ((struct gfs2_ea_header *)((bh)->b_data + sizeof(struct gfs2_meta_header))) | ||
41 | |||
42 | struct gfs2_ea_request { | ||
43 | const char *er_name; | ||
44 | char *er_data; | ||
45 | unsigned int er_name_len; | ||
46 | unsigned int er_data_len; | ||
47 | unsigned int er_type; /* GFS2_EATYPE_... */ | ||
48 | }; | ||
49 | |||
50 | struct gfs2_ea_location { | ||
51 | struct buffer_head *el_bh; | ||
52 | struct gfs2_ea_header *el_ea; | ||
53 | struct gfs2_ea_header *el_prev; | ||
54 | }; | ||
55 | |||
56 | extern int gfs2_xattr_get(struct inode *inode, int type, const char *name, | ||
57 | void *buffer, size_t size); | ||
58 | extern int gfs2_xattr_set(struct inode *inode, int type, const char *name, | ||
59 | const void *value, size_t size, int flags); | ||
60 | extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size); | ||
61 | extern int gfs2_ea_dealloc(struct gfs2_inode *ip); | ||
62 | |||
63 | /* Exported to acl.c */ | ||
64 | |||
65 | extern int gfs2_ea_find(struct gfs2_inode *ip, int type, const char *name, | ||
66 | struct gfs2_ea_location *el); | ||
67 | extern int gfs2_ea_get_copy(struct gfs2_inode *ip, struct gfs2_ea_location *el, | ||
68 | char *data, size_t size); | ||
69 | extern int gfs2_ea_acl_chmod(struct gfs2_inode *ip, struct gfs2_ea_location *el, | ||
70 | struct iattr *attr, char *data); | ||
71 | |||
72 | #endif /* __EATTR_DOT_H__ */ | ||