| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
| Steven Whitehouse | 3a8a9a1 | 2006-05-18 15:09:15 -0400 | [diff] [blame] | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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 |
| Steven Whitehouse | e9fc2aa | 2006-09-01 11:05:15 -0400 | [diff] [blame] | 7 | * of the GNU General Public License version 2. |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #ifndef __QUOTA_DOT_H__ |
| 11 | #define __QUOTA_DOT_H__ |
| 12 | |
| Steven Whitehouse | f2f7ba5 | 2006-09-05 10:39:21 -0400 | [diff] [blame] | 13 | struct gfs2_inode; |
| 14 | struct gfs2_sbd; |
| 15 | |
| Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 16 | #define NO_QUOTA_CHANGE ((u32)-1) |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 17 | |
| Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 18 | int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 19 | void gfs2_quota_unhold(struct gfs2_inode *ip); |
| 20 | |
| Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 21 | int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 22 | void gfs2_quota_unlock(struct gfs2_inode *ip); |
| 23 | |
| Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 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); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 27 | |
| 28 | int gfs2_quota_sync(struct gfs2_sbd *sdp); |
| Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 29 | int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 30 | |
| 31 | int gfs2_quota_init(struct gfs2_sbd *sdp); |
| 32 | void gfs2_quota_scan(struct gfs2_sbd *sdp); |
| 33 | void gfs2_quota_cleanup(struct gfs2_sbd *sdp); |
| 34 | |
| Steven Whitehouse | d82661d | 2008-03-10 15:34:50 +0000 | [diff] [blame] | 35 | static inline int gfs2_quota_lock_check(struct gfs2_inode *ip) |
| 36 | { |
| 37 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); |
| 38 | int ret; |
| 39 | if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF) |
| 40 | return 0; |
| 41 | ret = gfs2_quota_lock(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); |
| 42 | if (ret) |
| 43 | return ret; |
| 44 | if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON) |
| 45 | return 0; |
| 46 | ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); |
| 47 | if (ret) |
| 48 | gfs2_quota_unlock(ip); |
| 49 | return ret; |
| 50 | } |
| 51 | |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 52 | #endif /* __QUOTA_DOT_H__ */ |