projects / people / ms / linux.git / blame
| 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 __QUOTA_DOT_H__ | |
| 8 | #define __QUOTA_DOT_H__ | |
| 9 | ||
| 2147dbfd SW |
10 | #include <linux/list_lru.h> |
| 11 | ||
| f2f7ba52 SW |
12 | struct gfs2_inode; |
| 13 | struct gfs2_sbd; | |
| 14 | ||
| f4108a60 EB |
15 | #define NO_UID_QUOTA_CHANGE INVALID_UID |
| 16 | #define NO_GID_QUOTA_CHANGE INVALID_GID | |
| b3b94faa | 17 | |
| 2fba46a0 BP |
18 | extern int gfs2_qa_get(struct gfs2_inode *ip); |
| 19 | extern void gfs2_qa_put(struct gfs2_inode *ip); | |
| 7c06b5d6 | 20 | extern int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid); |
| 9ac1b4d9 | 21 | extern void gfs2_quota_unhold(struct gfs2_inode *ip); |
| b3b94faa | 22 | |
| 7c06b5d6 | 23 | extern int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid); |
| 9ac1b4d9 | 24 | extern void gfs2_quota_unlock(struct gfs2_inode *ip); |
| b3b94faa | 25 | |
| b8fbf471 AD |
26 | extern int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid, |
| 27 | struct gfs2_alloc_parms *ap); | |
| 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 | ||
| b8fbf471 AD |
40 | static inline int gfs2_quota_lock_check(struct gfs2_inode *ip, |
| 41 | struct gfs2_alloc_parms *ap) | |
| d82661d9 SW |
42 | { |
| 43 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); | |
| 44 | int ret; | |
| 174d1232 AG |
45 | |
| 46 | ap->allowed = UINT_MAX; /* Assume we are permitted a whole lot */ | |
| 4ed0c308 BP |
47 | if (capable(CAP_SYS_RESOURCE) || |
| 48 | sdp->sd_args.ar_quota == GFS2_QUOTA_OFF) | |
| d82661d9 | 49 | return 0; |
| f4108a60 | 50 | ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE); |
| d82661d9 SW |
51 | if (ret) |
| 52 | return ret; | |
| 53 | if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON) | |
| 54 | return 0; | |
| b8fbf471 | 55 | ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid, ap); |
| d82661d9 SW |
56 | if (ret) |
| 57 | gfs2_quota_unlock(ip); | |
| 58 | return ret; | |
| 59 | } | |
| 60 | ||
| cc632e7f | 61 | extern const struct quotactl_ops gfs2_quotactl_ops; |
| 2147dbfd SW |
62 | extern struct shrinker gfs2_qd_shrinker; |
| 63 | extern struct list_lru gfs2_qd_lru; | |
| c754fbbb | 64 | extern void __init gfs2_quota_hash_init(void); |
| 0a7ab79c | 65 | |
| b3b94faa | 66 | #endif /* __QUOTA_DOT_H__ */ |