git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| b3b94faa DT |
1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
| 3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
| b3b94faa DT |
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 | |
| e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
| b3b94faa DT |
8 | */ |
| 9 | ||
| 10 | #ifndef __QUOTA_DOT_H__ | |
| 11 | #define __QUOTA_DOT_H__ | |
| 12 | ||
| f2f7ba52 SW |
13 | struct gfs2_inode; |
| 14 | struct gfs2_sbd; | |
| 15 | ||
| cd915493 | 16 | #define NO_QUOTA_CHANGE ((u32)-1) |
| b3b94faa | 17 | |
| cd915493 | 18 | int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); |
| b3b94faa DT |
19 | void gfs2_quota_unhold(struct gfs2_inode *ip); |
| 20 | ||
| cd915493 | 21 | int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); |
| b3b94faa DT |
22 | void gfs2_quota_unlock(struct gfs2_inode *ip); |
| 23 | ||
| cd915493 SW |
24 | int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); |
| 25 | void gfs2_quota_change(struct gfs2_inode *ip, s64 change, | |
| 26 | u32 uid, u32 gid); | |
| b3b94faa DT |
27 | |
| 28 | int gfs2_quota_sync(struct gfs2_sbd *sdp); | |
| cd915493 | 29 | int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); |
| b3b94faa DT |
30 | |
| 31 | int gfs2_quota_init(struct gfs2_sbd *sdp); | |
| b3b94faa DT |
32 | void gfs2_quota_cleanup(struct gfs2_sbd *sdp); |
| 33 | ||
| d82661d9 SW |
34 | static inline int gfs2_quota_lock_check(struct gfs2_inode *ip) |
| 35 | { | |
| 36 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); | |
| 37 | int ret; | |
| 38 | if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF) | |
| 39 | return 0; | |
| 40 | ret = gfs2_quota_lock(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); | |
| 41 | if (ret) | |
| 42 | return ret; | |
| 43 | if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON) | |
| 44 | return 0; | |
| 45 | ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); | |
| 46 | if (ret) | |
| 47 | gfs2_quota_unlock(ip); | |
| 48 | return ret; | |
| 49 | } | |
| 50 | ||
| b3b94faa | 51 | #endif /* __QUOTA_DOT_H__ */ |