X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fgfs2%2Fquota.h;h=3b7f4b0e5dfe0fee9e155f01f2fc3fa224ddabfc;hb=388c8c16abafc2e74dff173b5de9ee519ea8d32f;hp=005529f6895dfa10ea726453d981dee0731cbe3e;hpb=a748422ee45725e04e1d3792fa19dfa90ddfd116;p=linux-2.6-omap-h63xx.git diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h index 005529f6895..3b7f4b0e5df 100644 --- a/fs/gfs2/quota.h +++ b/fs/gfs2/quota.h @@ -1,34 +1,52 @@ /* * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2005 Red Hat, Inc. 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 v.2. + * of the GNU General Public License version 2. */ #ifndef __QUOTA_DOT_H__ #define __QUOTA_DOT_H__ -#define NO_QUOTA_CHANGE ((uint32_t)-1) +struct gfs2_inode; +struct gfs2_sbd; -int gfs2_quota_hold(struct gfs2_inode *ip, uint32_t uid, uint32_t gid); +#define NO_QUOTA_CHANGE ((u32)-1) + +int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); void gfs2_quota_unhold(struct gfs2_inode *ip); -int gfs2_quota_lock(struct gfs2_inode *ip, uint32_t uid, uint32_t gid); +int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); void gfs2_quota_unlock(struct gfs2_inode *ip); -int gfs2_quota_check(struct gfs2_inode *ip, uint32_t uid, uint32_t gid); -void gfs2_quota_change(struct gfs2_inode *ip, int64_t change, - uint32_t uid, uint32_t gid); +int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); +void gfs2_quota_change(struct gfs2_inode *ip, s64 change, + u32 uid, u32 gid); int gfs2_quota_sync(struct gfs2_sbd *sdp); -int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, uint32_t id); -int gfs2_quota_read(struct gfs2_sbd *sdp, int user, uint32_t id, - struct gfs2_quota *q); +int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); int gfs2_quota_init(struct gfs2_sbd *sdp); void gfs2_quota_scan(struct gfs2_sbd *sdp); void gfs2_quota_cleanup(struct gfs2_sbd *sdp); +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; +} + #endif /* __QUOTA_DOT_H__ */