| /* |
| * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
| * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
| * |
| * This copyrighted material is made available to anyone wishing to use, |
| * modify, copy, or redistribute it subject to the terms and conditions |
| * of the GNU General Public License version 2. |
| */ |
| |
| #ifndef __QUOTA_DOT_H__ |
| #define __QUOTA_DOT_H__ |
| |
| struct gfs2_inode; |
| struct gfs2_sbd; |
| |
| #define NO_QUOTA_CHANGE ((u32)-1) |
| |
| extern int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); |
| extern void gfs2_quota_unhold(struct gfs2_inode *ip); |
| |
| extern int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); |
| extern void gfs2_quota_unlock(struct gfs2_inode *ip); |
| |
| extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); |
| extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change, |
| u32 uid, u32 gid); |
| |
| extern int gfs2_quota_sync(struct super_block *sb, int type); |
| extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); |
| |
| extern int gfs2_quota_init(struct gfs2_sbd *sdp); |
| extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp); |
| extern int gfs2_quotad(void *data); |
| |
| static inline int gfs2_quota_lock_check(struct gfs2_inode *ip) |
| { |
| struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); |
| int ret; |
| if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF) |
| return 0; |
| ret = gfs2_quota_lock(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); |
| if (ret) |
| return ret; |
| if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON) |
| return 0; |
| ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); |
| if (ret) |
| gfs2_quota_unlock(ip); |
| return ret; |
| } |
| |
| extern int gfs2_shrink_qd_memory(int nr, gfp_t gfp_mask); |
| extern const struct quotactl_ops gfs2_quotactl_ops; |
| |
| #endif /* __QUOTA_DOT_H__ */ |