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| Commit | Line | Data |
|---|---|---|
| 7336d0e6 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| b3b94faa DT |
2 | /* |
| 3 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
| 3a8a9a10 | 4 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
| b3b94faa DT |
5 | */ |
| 6 | ||
| 7 | #ifndef __EATTR_DOT_H__ | |
| 8 | #define __EATTR_DOT_H__ | |
| 9 | ||
| f2f7ba52 SW |
10 | struct gfs2_inode; |
| 11 | struct iattr; | |
| 12 | ||
| b3b94faa DT |
13 | #define GFS2_EA_REC_LEN(ea) be32_to_cpu((ea)->ea_rec_len) |
| 14 | #define GFS2_EA_DATA_LEN(ea) be32_to_cpu((ea)->ea_data_len) | |
| 15 | ||
| 16 | #define GFS2_EA_SIZE(ea) \ | |
| 17 | ALIGN(sizeof(struct gfs2_ea_header) + (ea)->ea_name_len + \ | |
| 18 | ((GFS2_EA_IS_STUFFED(ea)) ? GFS2_EA_DATA_LEN(ea) : \ | |
| 86d00636 | 19 | (sizeof(__be64) * (ea)->ea_num_ptrs)), 8) |
| b3b94faa | 20 | |
| b3b94faa DT |
21 | #define GFS2_EA_IS_STUFFED(ea) (!(ea)->ea_num_ptrs) |
| 22 | #define GFS2_EA_IS_LAST(ea) ((ea)->ea_flags & GFS2_EAFLAG_LAST) | |
| 23 | ||
| 24 | #define GFS2_EAREQ_SIZE_STUFFED(er) \ | |
| 25 | ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + (er)->er_data_len, 8) | |
| 26 | ||
| b3b94faa DT |
27 | #define GFS2_EA2NAME(ea) ((char *)((struct gfs2_ea_header *)(ea) + 1)) |
| 28 | #define GFS2_EA2DATA(ea) (GFS2_EA2NAME(ea) + (ea)->ea_name_len) | |
| 29 | ||
| 30 | #define GFS2_EA2DATAPTRS(ea) \ | |
| b44b84d7 | 31 | ((__be64 *)(GFS2_EA2NAME(ea) + ALIGN((ea)->ea_name_len, 8))) |
| b3b94faa DT |
32 | |
| 33 | #define GFS2_EA2NEXT(ea) \ | |
| 34 | ((struct gfs2_ea_header *)((char *)(ea) + GFS2_EA_REC_LEN(ea))) | |
| 35 | ||
| 36 | #define GFS2_EA_BH2FIRST(bh) \ | |
| 37 | ((struct gfs2_ea_header *)((bh)->b_data + sizeof(struct gfs2_meta_header))) | |
| 38 | ||
| b3b94faa | 39 | struct gfs2_ea_request { |
| cca195c5 | 40 | const char *er_name; |
| b3b94faa DT |
41 | char *er_data; |
| 42 | unsigned int er_name_len; | |
| 43 | unsigned int er_data_len; | |
| 44 | unsigned int er_type; /* GFS2_EATYPE_... */ | |
| b3b94faa DT |
45 | }; |
| 46 | ||
| 47 | struct gfs2_ea_location { | |
| 48 | struct buffer_head *el_bh; | |
| 49 | struct gfs2_ea_header *el_ea; | |
| 50 | struct gfs2_ea_header *el_prev; | |
| 51 | }; | |
| 52 | ||
| 431547b3 CH |
53 | extern int __gfs2_xattr_set(struct inode *inode, const char *name, |
| 54 | const void *value, size_t size, | |
| 55 | int flags, int type); | |
| 40b78a32 SW |
56 | extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size); |
| 57 | extern int gfs2_ea_dealloc(struct gfs2_inode *ip); | |
| b3b94faa | 58 | |
| b3b94faa DT |
59 | /* Exported to acl.c */ |
| 60 | ||
| 479c427d | 61 | extern int gfs2_xattr_acl_get(struct gfs2_inode *ip, const char *name, char **data); |
| 639b6d79 | 62 | |
| b3b94faa | 63 | #endif /* __EATTR_DOT_H__ */ |