X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fxfs%2Fquota%2Fxfs_trans_dquot.c;h=9168918db252fa3c55087f173c0c418da70f7b9e;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=149b2a1fd949beed7a82f63786f825db677bba83;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c index 149b2a1fd..9168918db 100644 --- a/fs/xfs/quota/xfs_trans_dquot.c +++ b/fs/xfs/quota/xfs_trans_dquot.c @@ -1,39 +1,25 @@ /* - * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2002 Silicon Graphics, Inc. + * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - #include "xfs.h" #include "xfs_fs.h" -#include "xfs_inum.h" +#include "xfs_bit.h" #include "xfs_log.h" +#include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" @@ -43,21 +29,20 @@ #include "xfs_dmapi.h" #include "xfs_quota.h" #include "xfs_mount.h" -#include "xfs_alloc_btree.h" #include "xfs_bmap_btree.h" +#include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_btree.h" -#include "xfs_ialloc.h" #include "xfs_attr_sf.h" #include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" +#include "xfs_ialloc.h" +#include "xfs_itable.h" +#include "xfs_btree.h" #include "xfs_bmap.h" -#include "xfs_bit.h" #include "xfs_rtalloc.h" #include "xfs_error.h" -#include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" #include "xfs_cap.h" @@ -65,7 +50,6 @@ #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_trans_priv.h" - #include "xfs_qm.h" STATIC void xfs_trans_alloc_dqinfo(xfs_trans_t *); @@ -187,7 +171,7 @@ xfs_trans_dup_dqinfo( /* * Wrap around mod_dquot to account for both user and group quotas. */ -void +STATIC void xfs_trans_mod_dquot_byino( xfs_trans_t *tp, xfs_inode_t *ip, @@ -207,12 +191,10 @@ xfs_trans_mod_dquot_byino( if (tp->t_dqinfo == NULL) xfs_trans_alloc_dqinfo(tp); - if (XFS_IS_UQUOTA_ON(mp) && ip->i_udquot) { + if (XFS_IS_UQUOTA_ON(mp) && ip->i_udquot) (void) xfs_trans_mod_dquot(tp, ip->i_udquot, field, delta); - } - if (XFS_IS_GQUOTA_ON(mp) && ip->i_gdquot) { + if (XFS_IS_OQUOTA_ON(mp) && ip->i_gdquot) (void) xfs_trans_mod_dquot(tp, ip->i_gdquot, field, delta); - } } STATIC xfs_dqtrx_t * @@ -368,7 +350,7 @@ xfs_trans_dqlockedjoin( * Unreserve just the reservations done by this transaction. * dquot is still left locked at exit. */ -void +STATIC void xfs_trans_apply_dquot_deltas( xfs_trans_t *tp) { @@ -431,25 +413,25 @@ xfs_trans_apply_dquot_deltas( qtrx->qt_delrtb_delta; #ifdef QUOTADEBUG if (totalbdelta < 0) - ASSERT(INT_GET(d->d_bcount, ARCH_CONVERT) >= + ASSERT(be64_to_cpu(d->d_bcount) >= (xfs_qcnt_t) -totalbdelta); if (totalrtbdelta < 0) - ASSERT(INT_GET(d->d_rtbcount, ARCH_CONVERT) >= + ASSERT(be64_to_cpu(d->d_rtbcount) >= (xfs_qcnt_t) -totalrtbdelta); if (qtrx->qt_icount_delta < 0) - ASSERT(INT_GET(d->d_icount, ARCH_CONVERT) >= + ASSERT(be64_to_cpu(d->d_icount) >= (xfs_qcnt_t) -qtrx->qt_icount_delta); #endif if (totalbdelta) - INT_MOD(d->d_bcount, ARCH_CONVERT, (xfs_qcnt_t)totalbdelta); + be64_add(&d->d_bcount, (xfs_qcnt_t)totalbdelta); if (qtrx->qt_icount_delta) - INT_MOD(d->d_icount, ARCH_CONVERT, (xfs_qcnt_t)qtrx->qt_icount_delta); + be64_add(&d->d_icount, (xfs_qcnt_t)qtrx->qt_icount_delta); if (totalrtbdelta) - INT_MOD(d->d_rtbcount, ARCH_CONVERT, (xfs_qcnt_t)totalrtbdelta); + be64_add(&d->d_rtbcount, (xfs_qcnt_t)totalrtbdelta); /* * Get any default limits in use. @@ -499,7 +481,7 @@ xfs_trans_apply_dquot_deltas( * Adjust the RT reservation. */ if (qtrx->qt_rtblk_res != 0) { - if (qtrx->qt_blk_res != qtrx->qt_blk_res_used) { + if (qtrx->qt_rtblk_res != qtrx->qt_rtblk_res_used) { if (qtrx->qt_rtblk_res > qtrx->qt_rtblk_res_used) dqp->q_res_rtbcount -= (xfs_qcnt_t) @@ -532,18 +514,12 @@ xfs_trans_apply_dquot_deltas( (xfs_qcnt_t)qtrx->qt_icount_delta; } - -#ifdef QUOTADEBUG - if (qtrx->qt_rtblk_res != 0) - cmn_err(CE_DEBUG, "RT res %d for 0x%p\n", - (int) qtrx->qt_rtblk_res, dqp); -#endif ASSERT(dqp->q_res_bcount >= - INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT)); + be64_to_cpu(dqp->q_core.d_bcount)); ASSERT(dqp->q_res_icount >= - INT_GET(dqp->q_core.d_icount, ARCH_CONVERT)); + be64_to_cpu(dqp->q_core.d_icount)); ASSERT(dqp->q_res_rtbcount >= - INT_GET(dqp->q_core.d_rtbcount, ARCH_CONVERT)); + be64_to_cpu(dqp->q_core.d_rtbcount)); } /* * Do the group quotas next @@ -619,12 +595,19 @@ xfs_trans_unreserve_and_mod_dquots( } } +STATIC int +xfs_quota_error(uint flags) +{ + if (flags & XFS_QMOPT_ENOSPC) + return ENOSPC; + return EDQUOT; +} + /* * This reserves disk blocks and inodes against a dquot. * Flags indicate if the dquot is to be locked here and also * if the blk reservation is for RT or regular blocks. * Sending in XFS_QMOPT_FORCE_RES flag skips the quota check. - * Returns EDQUOT if quota is exceeded. */ STATIC int xfs_trans_dqresv( @@ -638,7 +621,10 @@ xfs_trans_dqresv( int error; xfs_qcnt_t hardlimit; xfs_qcnt_t softlimit; - time_t btimer; + time_t timer; + xfs_qwarncnt_t warns; + xfs_qwarncnt_t warnlimit; + xfs_qcnt_t count; xfs_qcnt_t *resbcountp; xfs_quotainfo_t *q = mp->m_quotainfo; @@ -647,23 +633,27 @@ xfs_trans_dqresv( } ASSERT(XFS_DQ_IS_LOCKED(dqp)); if (flags & XFS_TRANS_DQ_RES_BLKS) { - hardlimit = INT_GET(dqp->q_core.d_blk_hardlimit, ARCH_CONVERT); + hardlimit = be64_to_cpu(dqp->q_core.d_blk_hardlimit); if (!hardlimit) hardlimit = q->qi_bhardlimit; - softlimit = INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT); + softlimit = be64_to_cpu(dqp->q_core.d_blk_softlimit); if (!softlimit) softlimit = q->qi_bsoftlimit; - btimer = INT_GET(dqp->q_core.d_btimer, ARCH_CONVERT); + timer = be32_to_cpu(dqp->q_core.d_btimer); + warns = be16_to_cpu(dqp->q_core.d_bwarns); + warnlimit = XFS_QI_BWARNLIMIT(dqp->q_mount); resbcountp = &dqp->q_res_bcount; } else { ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS); - hardlimit = INT_GET(dqp->q_core.d_rtb_hardlimit, ARCH_CONVERT); + hardlimit = be64_to_cpu(dqp->q_core.d_rtb_hardlimit); if (!hardlimit) hardlimit = q->qi_rtbhardlimit; - softlimit = INT_GET(dqp->q_core.d_rtb_softlimit, ARCH_CONVERT); + softlimit = be64_to_cpu(dqp->q_core.d_rtb_softlimit); if (!softlimit) softlimit = q->qi_rtbsoftlimit; - btimer = INT_GET(dqp->q_core.d_rtbtimer, ARCH_CONVERT); + timer = be32_to_cpu(dqp->q_core.d_rtbtimer); + warns = be16_to_cpu(dqp->q_core.d_rtbwarns); + warnlimit = XFS_QI_RTBWARNLIMIT(dqp->q_mount); resbcountp = &dqp->q_res_rtbcount; } error = 0; @@ -683,48 +673,37 @@ xfs_trans_dqresv( */ if (hardlimit > 0ULL && (hardlimit <= nblks + *resbcountp)) { - error = EDQUOT; + error = xfs_quota_error(flags); goto error_return; } if (softlimit > 0ULL && (softlimit <= nblks + *resbcountp)) { - /* - * If timer or warnings has expired, - * return EDQUOT - */ - if ((btimer != 0 && get_seconds() > btimer) || - (dqp->q_core.d_bwarns && - INT_GET(dqp->q_core.d_bwarns, ARCH_CONVERT) >= - XFS_QI_BWARNLIMIT(dqp->q_mount))) { - error = EDQUOT; + if ((timer != 0 && get_seconds() > timer) || + (warns != 0 && warns >= warnlimit)) { + error = xfs_quota_error(flags); goto error_return; } } } if (ninos > 0) { - hardlimit = INT_GET(dqp->q_core.d_ino_hardlimit, ARCH_CONVERT); + count = be64_to_cpu(dqp->q_core.d_icount); + timer = be32_to_cpu(dqp->q_core.d_itimer); + warns = be16_to_cpu(dqp->q_core.d_iwarns); + warnlimit = XFS_QI_IWARNLIMIT(dqp->q_mount); + hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); if (!hardlimit) hardlimit = q->qi_ihardlimit; - softlimit = INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT); + softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); if (!softlimit) softlimit = q->qi_isoftlimit; - if (hardlimit > 0ULL && - INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) >= hardlimit) { - error = EDQUOT; + if (hardlimit > 0ULL && count >= hardlimit) { + error = xfs_quota_error(flags); goto error_return; - } else if (softlimit > 0ULL && - INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) >= softlimit) { - /* - * If timer or warnings has expired, - * return EDQUOT - */ - if ((dqp->q_core.d_itimer && - get_seconds() > INT_GET(dqp->q_core.d_itimer, ARCH_CONVERT)) || - (dqp->q_core.d_iwarns && - INT_GET(dqp->q_core.d_iwarns, ARCH_CONVERT) >= - XFS_QI_IWARNLIMIT(dqp->q_mount))) { - error = EDQUOT; + } else if (softlimit > 0ULL && count >= softlimit) { + if ((timer != 0 && get_seconds() > timer) || + (warns != 0 && warns >= warnlimit)) { + error = xfs_quota_error(flags); goto error_return; } } @@ -758,9 +737,9 @@ xfs_trans_dqresv( XFS_TRANS_DQ_RES_INOS, ninos); } - ASSERT(dqp->q_res_bcount >= INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT)); - ASSERT(dqp->q_res_rtbcount >= INT_GET(dqp->q_core.d_rtbcount, ARCH_CONVERT)); - ASSERT(dqp->q_res_icount >= INT_GET(dqp->q_core.d_icount, ARCH_CONVERT)); + ASSERT(dqp->q_res_bcount >= be64_to_cpu(dqp->q_core.d_bcount)); + ASSERT(dqp->q_res_rtbcount >= be64_to_cpu(dqp->q_core.d_rtbcount)); + ASSERT(dqp->q_res_icount >= be64_to_cpu(dqp->q_core.d_icount)); error_return: if (! (flags & XFS_QMOPT_DQLOCK)) { @@ -771,13 +750,14 @@ error_return: /* - * Given a dquot(s), make disk block and/or inode reservations against them. + * Given dquot(s), make disk block and/or inode reservations against them. * The fact that this does the reservation against both the usr and - * grp quotas is important, because this follows a both-or-nothing + * grp/prj quotas is important, because this follows a both-or-nothing * approach. * * flags = XFS_QMOPT_DQLOCK indicate if dquot(s) need to be locked. * XFS_QMOPT_FORCE_RES evades limit enforcement. Used by chown. + * XFS_QMOPT_ENOSPC returns ENOSPC not EDQUOT. Used by pquota. * XFS_TRANS_DQ_RES_BLKS reserves regular disk blocks * XFS_TRANS_DQ_RES_RTBLKS reserves realtime disk blocks * dquots are unlocked on return, if they were not locked by caller. @@ -792,25 +772,27 @@ xfs_trans_reserve_quota_bydquots( long ninos, uint flags) { - int resvd; + int resvd = 0, error; - if (! XFS_IS_QUOTA_ON(mp)) - return (0); + if (!XFS_IS_QUOTA_ON(mp)) + return 0; if (tp && tp->t_dqinfo == NULL) xfs_trans_alloc_dqinfo(tp); ASSERT(flags & XFS_QMOPT_RESBLK_MASK); - resvd = 0; if (udqp) { - if (xfs_trans_dqresv(tp, mp, udqp, nblks, ninos, flags)) - return (EDQUOT); + error = xfs_trans_dqresv(tp, mp, udqp, nblks, ninos, + (flags & ~XFS_QMOPT_ENOSPC)); + if (error) + return error; resvd = 1; } if (gdqp) { - if (xfs_trans_dqresv(tp, mp, gdqp, nblks, ninos, flags)) { + error = xfs_trans_dqresv(tp, mp, gdqp, nblks, ninos, flags); + if (error) { /* * can't do it, so backout previous reservation */ @@ -819,14 +801,14 @@ xfs_trans_reserve_quota_bydquots( xfs_trans_dqresv(tp, mp, udqp, -nblks, -ninos, flags); } - return (EDQUOT); + return error; } } /* - * Didnt change anything critical, so, no need to log + * Didn't change anything critical, so, no need to log */ - return (0); + return 0; } @@ -834,8 +816,6 @@ xfs_trans_reserve_quota_bydquots( * Lock the dquot and change the reservation if we can. * This doesn't change the actual usage, just the reservation. * The inode sent in is locked. - * - * Returns 0 on success, EDQUOT or other errors otherwise */ STATIC int xfs_trans_reserve_quota_nblks( @@ -844,20 +824,24 @@ xfs_trans_reserve_quota_nblks( xfs_inode_t *ip, long nblks, long ninos, - uint type) + uint flags) { int error; if (!XFS_IS_QUOTA_ON(mp)) - return (0); + return 0; + if (XFS_IS_PQUOTA_ON(mp)) + flags |= XFS_QMOPT_ENOSPC; ASSERT(ip->i_ino != mp->m_sb.sb_uquotino); ASSERT(ip->i_ino != mp->m_sb.sb_gquotino); ASSERT(XFS_ISLOCKED_INODE_EXCL(ip)); ASSERT(XFS_IS_QUOTA_RUNNING(ip->i_mount)); - ASSERT((type & ~XFS_QMOPT_FORCE_RES) == XFS_TRANS_DQ_RES_RTBLKS || - (type & ~XFS_QMOPT_FORCE_RES) == XFS_TRANS_DQ_RES_BLKS); + ASSERT((flags & ~(XFS_QMOPT_FORCE_RES | XFS_QMOPT_ENOSPC)) == + XFS_TRANS_DQ_RES_RTBLKS || + (flags & ~(XFS_QMOPT_FORCE_RES | XFS_QMOPT_ENOSPC)) == + XFS_TRANS_DQ_RES_BLKS); /* * Reserve nblks against these dquots, with trans as the mediator. @@ -865,8 +849,8 @@ xfs_trans_reserve_quota_nblks( error = xfs_trans_reserve_quota_bydquots(tp, mp, ip->i_udquot, ip->i_gdquot, nblks, ninos, - type); - return (error); + flags); + return error; } /*