projects / linux-2.6-block.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 | ||
| 2147dbfd SW |
13 | #include <linux/list_lru.h> |
| 14 | ||
| f2f7ba52 SW |
15 | struct gfs2_inode; |
| 16 | struct gfs2_sbd; | |
| 17 | ||
| f4108a60 EB |
18 | #define NO_UID_QUOTA_CHANGE INVALID_UID |
| 19 | #define NO_GID_QUOTA_CHANGE INVALID_GID | |
| b3b94faa | 20 | |
| 7c06b5d6 | 21 | extern int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid); |
| 9ac1b4d9 | 22 | extern void gfs2_quota_unhold(struct gfs2_inode *ip); |
| b3b94faa | 23 | |
| 7c06b5d6 | 24 | extern int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid); |
| 9ac1b4d9 | 25 | extern void gfs2_quota_unlock(struct gfs2_inode *ip); |
| b3b94faa | 26 | |
| 7c06b5d6 | 27 | extern int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid); |
| 9ac1b4d9 | 28 | extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change, |
| 7c06b5d6 | 29 | kuid_t uid, kgid_t gid); |
| b3b94faa | 30 | |
| ceed1723 | 31 | extern int gfs2_quota_sync(struct super_block *sb, int type); |
| ed87dabc | 32 | extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid); |
| b3b94faa | 33 | |
| 9ac1b4d9 SW |
34 | extern int gfs2_quota_init(struct gfs2_sbd *sdp); |
| 35 | extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp); | |
| 36 | extern int gfs2_quotad(void *data); | |
| b3b94faa | 37 | |
| 3d3c10f2 BM |
38 | extern void gfs2_wake_up_statfs(struct gfs2_sbd *sdp); |
| 39 | ||
| d82661d9 SW |
40 | static inline int gfs2_quota_lock_check(struct gfs2_inode *ip) |
| 41 | { | |
| 42 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); | |
| 43 | int ret; | |
| 44 | if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF) | |
| 45 | return 0; | |
| f4108a60 | 46 | ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE); |
| d82661d9 SW |
47 | if (ret) |
| 48 | return ret; | |
| 49 | if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON) | |
| 50 | return 0; | |
| 51 | ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); | |
| 52 | if (ret) | |
| 53 | gfs2_quota_unlock(ip); | |
| 54 | return ret; | |
| 55 | } | |
| 56 | ||
| cc632e7f | 57 | extern const struct quotactl_ops gfs2_quotactl_ops; |
| 2147dbfd SW |
58 | extern struct shrinker gfs2_qd_shrinker; |
| 59 | extern struct list_lru gfs2_qd_lru; | |
| c754fbbb | 60 | extern void __init gfs2_quota_hash_init(void); |
| 0a7ab79c | 61 | |
| b3b94faa | 62 | #endif /* __QUOTA_DOT_H__ */ |