diff options
author | Dave Chinner <dchinner@redhat.com> | 2010-04-13 05:06:48 (GMT) |
---|---|---|
committer | Alex Elder <aelder@sgi.com> | 2010-05-19 14:58:10 (GMT) |
commit | 3a25404b3fccd41d36b2fda18d86011201608c38 (patch) | |
tree | 28979d8581760327c16a3389a2eb8752ed3f0665 /fs/xfs | |
parent | 9abbc539bf7f299819ad0a235064a1b643ab6407 (diff) | |
download | linux-fsl-qoriq-3a25404b3fccd41d36b2fda18d86011201608c38.tar.xz |
xfs: convert the per-mount dquot list to use list heads
Convert the dquot list on the filesytesm to use listhead
infrastructure rather than the roll-your-own in the quota code.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs')
-rw-r--r-- | fs/xfs/quota/xfs_dquot.c | 21 | ||||
-rw-r--r-- | fs/xfs/quota/xfs_dquot.h | 2 | ||||
-rw-r--r-- | fs/xfs/quota/xfs_qm.c | 155 | ||||
-rw-r--r-- | fs/xfs/quota/xfs_qm.h | 4 | ||||
-rw-r--r-- | fs/xfs/quota/xfs_qm_syscalls.c | 2 | ||||
-rw-r--r-- | fs/xfs/quota/xfs_quota_priv.h | 25 |
6 files changed, 97 insertions, 112 deletions
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index 5f79dd7..838289b 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -121,8 +121,9 @@ xfs_qm_dqinit( */ dqp->q_nrefs = 0; dqp->q_blkno = 0; - dqp->MPL_NEXT = dqp->HL_NEXT = NULL; - dqp->HL_PREVP = dqp->MPL_PREVP = NULL; + INIT_LIST_HEAD(&dqp->q_mplist); + dqp->HL_NEXT = NULL; + dqp->HL_PREVP = NULL; dqp->q_bufoffset = 0; dqp->q_fileoffset = 0; dqp->q_transp = NULL; @@ -772,7 +773,7 @@ xfs_qm_dqlookup( /* * All in core dquots must be on the dqlist of mp */ - ASSERT(dqp->MPL_PREVP != NULL); + ASSERT(!list_empty(&dqp->q_mplist)); xfs_dqlock(dqp); if (dqp->q_nrefs == 0) { @@ -1039,7 +1040,7 @@ xfs_qm_dqget( * Attach this dquot to this filesystem's list of all dquots, * kept inside the mount structure in m_quotainfo field */ - xfs_qm_mplist_lock(mp); + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); /* * We return a locked dquot to the caller, with a reference taken @@ -1047,9 +1048,9 @@ xfs_qm_dqget( xfs_dqlock(dqp); dqp->q_nrefs = 1; - XQM_MPLIST_INSERT(&(XFS_QI_MPL_LIST(mp)), dqp); - - xfs_qm_mplist_unlock(mp); + list_add(&dqp->q_mplist, &mp->m_quotainfo->qi_dqlist); + mp->m_quotainfo->qi_dquots++; + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); mutex_unlock(&h->qh_lock); dqret: ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL)); @@ -1389,7 +1390,7 @@ xfs_qm_dqpurge( xfs_dqhash_t *thishash; xfs_mount_t *mp = dqp->q_mount; - ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp)); + ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock)); ASSERT(mutex_is_locked(&dqp->q_hash->qh_lock)); xfs_dqlock(dqp); @@ -1454,7 +1455,9 @@ xfs_qm_dqpurge( thishash = dqp->q_hash; XQM_HASHLIST_REMOVE(thishash, dqp); - XQM_MPLIST_REMOVE(&(XFS_QI_MPL_LIST(mp)), dqp); + list_del_init(&dqp->q_mplist); + mp->m_quotainfo->qi_dqreclaims++; + mp->m_quotainfo->qi_dquots--; /* * XXX Move this to the front of the freelist, if we can get the * freelist lock. diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h index a0f7da5..6992a67 100644 --- a/fs/xfs/quota/xfs_dquot.h +++ b/fs/xfs/quota/xfs_dquot.h @@ -57,7 +57,6 @@ struct xfs_trans; typedef struct xfs_dqmarker { struct xfs_dquot*dqm_flnext; /* link to freelist: must be first */ struct xfs_dquot*dqm_flprev; - xfs_dqlink_t dqm_mplist; /* link to mount's list of dquots */ xfs_dqlink_t dqm_hashlist; /* link to the hash chain */ uint dqm_flags; /* various flags (XFS_DQ_*) */ } xfs_dqmarker_t; @@ -67,6 +66,7 @@ typedef struct xfs_dqmarker { */ typedef struct xfs_dquot { xfs_dqmarker_t q_lists; /* list ptrs, q_flags (marker) */ + struct list_head q_mplist; /* mount's list of dquots */ xfs_dqhash_t *q_hash; /* the hashchain header */ struct xfs_mount*q_mount; /* filesystem this relates to */ struct xfs_trans*q_transp; /* trans this belongs to currently */ diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 417e61e..8558273 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -84,21 +84,25 @@ extern struct mutex qcheck_lock; #endif #ifdef QUOTADEBUG -#define XQM_LIST_PRINT(l, NXT, title) \ -{ \ - xfs_dquot_t *dqp; int i = 0; \ - cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \ - for (dqp = (l)->qh_next; dqp != NULL; dqp = dqp->NXT) { \ - cmn_err(CE_DEBUG, " %d. \"%d (%s)\" " \ - "bcnt = %d, icnt = %d, refs = %d", \ - ++i, (int) be32_to_cpu(dqp->q_core.d_id), \ - DQFLAGTO_TYPESTR(dqp), \ - (int) be64_to_cpu(dqp->q_core.d_bcount), \ - (int) be64_to_cpu(dqp->q_core.d_icount), \ - (int) dqp->q_nrefs); } \ +static void +xfs_qm_dquot_list_print( + struct xfs_mount *mp) +{ + xfs_dquot_t *dqp; + int i = 0; + + list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist_lock, qi_mplist) { + cmn_err(CE_DEBUG, " %d. \"%d (%s)\" " + "bcnt = %lld, icnt = %lld, refs = %d", + i++, be32_to_cpu(dqp->q_core.d_id), + DQFLAGTO_TYPESTR(dqp), + (long long)be64_to_cpu(dqp->q_core.d_bcount), + (long long)be64_to_cpu(dqp->q_core.d_icount), + dqp->q_nrefs); + } } #else -#define XQM_LIST_PRINT(l, NXT, title) do { } while (0) +static void xfs_qm_dquot_list_print(struct xfs_mount *mp) { } #endif /* @@ -274,7 +278,7 @@ xfs_qm_rele_quotafs_ref( ASSERT(dqp->q_mount == NULL); ASSERT(! XFS_DQ_IS_DIRTY(dqp)); ASSERT(dqp->HL_PREVP == NULL); - ASSERT(dqp->MPL_PREVP == NULL); + ASSERT(list_empty(&dqp->q_mplist)); XQM_FREELIST_REMOVE(dqp); xfs_dqunlock(dqp); xfs_qm_dqdestroy(dqp); @@ -461,8 +465,8 @@ xfs_qm_dqflush_all( return 0; niters = 0; again: - xfs_qm_mplist_lock(mp); - FOREACH_DQUOT_IN_MP(dqp, mp) { + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); + list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) { xfs_dqlock(dqp); if (! XFS_DQ_IS_DIRTY(dqp)) { xfs_dqunlock(dqp); @@ -470,7 +474,7 @@ again: } /* XXX a sentinel would be better */ - recl = XFS_QI_MPLRECLAIMS(mp); + recl = mp->m_quotainfo->qi_dqreclaims; if (!xfs_dqflock_nowait(dqp)) { /* * If we can't grab the flush lock then check @@ -485,21 +489,21 @@ again: * Let go of the mplist lock. We don't want to hold it * across a disk write. */ - xfs_qm_mplist_unlock(mp); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); error = xfs_qm_dqflush(dqp, sync_mode); xfs_dqunlock(dqp); if (error) return error; - xfs_qm_mplist_lock(mp); - if (recl != XFS_QI_MPLRECLAIMS(mp)) { - xfs_qm_mplist_unlock(mp); + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); + if (recl != mp->m_quotainfo->qi_dqreclaims) { + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); /* XXX restart limit */ goto again; } } - xfs_qm_mplist_unlock(mp); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); /* return ! busy */ return 0; } @@ -515,9 +519,8 @@ xfs_qm_detach_gdquots( int nrecl; again: - ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp)); - dqp = XFS_QI_MPLNEXT(mp); - while (dqp) { + ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock)); + list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) { xfs_dqlock(dqp); if ((gdqp = dqp->q_gdquot)) { xfs_dqlock(gdqp); @@ -530,15 +533,14 @@ xfs_qm_detach_gdquots( * Can't hold the mplist lock across a dqput. * XXXmust convert to marker based iterations here. */ - nrecl = XFS_QI_MPLRECLAIMS(mp); - xfs_qm_mplist_unlock(mp); + nrecl = mp->m_quotainfo->qi_dqreclaims; + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); xfs_qm_dqput(gdqp); - xfs_qm_mplist_lock(mp); - if (nrecl != XFS_QI_MPLRECLAIMS(mp)) + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); + if (nrecl != mp->m_quotainfo->qi_dqreclaims) goto again; } - dqp = dqp->MPL_NEXT; } } @@ -553,10 +555,9 @@ xfs_qm_dqpurge_int( xfs_mount_t *mp, uint flags) /* QUOTAOFF/UMOUNTING/UQUOTA/PQUOTA/GQUOTA */ { - xfs_dquot_t *dqp; + xfs_dquot_t *dqp, *n; uint dqtype; int nrecl; - xfs_dquot_t *nextdqp; int nmisses; if (mp->m_quotainfo == NULL) @@ -566,7 +567,7 @@ xfs_qm_dqpurge_int( dqtype |= (flags & XFS_QMOPT_PQUOTA) ? XFS_DQ_PROJ : 0; dqtype |= (flags & XFS_QMOPT_GQUOTA) ? XFS_DQ_GROUP : 0; - xfs_qm_mplist_lock(mp); + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); /* * In the first pass through all incore dquots of this filesystem, @@ -578,28 +579,25 @@ xfs_qm_dqpurge_int( again: nmisses = 0; - ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp)); + ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock)); /* * Try to get rid of all of the unwanted dquots. The idea is to * get them off mplist and hashlist, but leave them on freelist. */ - dqp = XFS_QI_MPLNEXT(mp); - while (dqp) { + list_for_each_entry_safe(dqp, n, &mp->m_quotainfo->qi_dqlist, q_mplist) { /* * It's OK to look at the type without taking dqlock here. * We're holding the mplist lock here, and that's needed for * a dqreclaim. */ - if ((dqp->dq_flags & dqtype) == 0) { - dqp = dqp->MPL_NEXT; + if ((dqp->dq_flags & dqtype) == 0) continue; - } if (!mutex_trylock(&dqp->q_hash->qh_lock)) { - nrecl = XFS_QI_MPLRECLAIMS(mp); - xfs_qm_mplist_unlock(mp); + nrecl = mp->m_quotainfo->qi_dqreclaims; + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); mutex_lock(&dqp->q_hash->qh_lock); - xfs_qm_mplist_lock(mp); + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); /* * XXXTheoretically, we can get into a very long @@ -607,7 +605,7 @@ xfs_qm_dqpurge_int( * No one can be adding dquots to the mplist at * this point, but somebody might be taking things off. */ - if (nrecl != XFS_QI_MPLRECLAIMS(mp)) { + if (nrecl != mp->m_quotainfo->qi_dqreclaims) { mutex_unlock(&dqp->q_hash->qh_lock); goto again; } @@ -617,11 +615,9 @@ xfs_qm_dqpurge_int( * Take the dquot off the mplist and hashlist. It may remain on * freelist in INACTIVE state. */ - nextdqp = dqp->MPL_NEXT; nmisses += xfs_qm_dqpurge(dqp); - dqp = nextdqp; } - xfs_qm_mplist_unlock(mp); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); return nmisses; } @@ -934,18 +930,19 @@ xfs_qm_sync( restarts = 0; again: - xfs_qm_mplist_lock(mp); + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); /* * dqpurge_all() also takes the mplist lock and iterate thru all dquots * in quotaoff. However, if the QUOTA_ACTIVE bits are not cleared * when we have the mplist lock, we know that dquots will be consistent * as long as we have it locked. */ - if (! XFS_IS_QUOTA_ON(mp)) { - xfs_qm_mplist_unlock(mp); + if (!XFS_IS_QUOTA_ON(mp)) { + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); return 0; } - FOREACH_DQUOT_IN_MP(dqp, mp) { + ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock)); + list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) { /* * If this is vfs_sync calling, then skip the dquots that * don't 'seem' to be dirty. ie. don't acquire dqlock. @@ -969,7 +966,7 @@ xfs_qm_sync( } /* XXX a sentinel would be better */ - recl = XFS_QI_MPLRECLAIMS(mp); + recl = mp->m_quotainfo->qi_dqreclaims; if (!xfs_dqflock_nowait(dqp)) { if (flags & SYNC_TRYLOCK) { xfs_dqunlock(dqp); @@ -989,7 +986,7 @@ xfs_qm_sync( * Let go of the mplist lock. We don't want to hold it * across a disk write */ - xfs_qm_mplist_unlock(mp); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); error = xfs_qm_dqflush(dqp, flags); xfs_dqunlock(dqp); if (error && XFS_FORCED_SHUTDOWN(mp)) @@ -997,17 +994,17 @@ xfs_qm_sync( else if (error) return error; - xfs_qm_mplist_lock(mp); - if (recl != XFS_QI_MPLRECLAIMS(mp)) { + mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); + if (recl != mp->m_quotainfo->qi_dqreclaims) { if (++restarts >= XFS_QM_SYNC_MAX_RESTARTS) break; - xfs_qm_mplist_unlock(mp); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); goto again; } } - xfs_qm_mplist_unlock(mp); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); return 0; } @@ -1052,8 +1049,9 @@ xfs_qm_init_quotainfo( return error; } - xfs_qm_list_init(&qinf->qi_dqlist, "mpdqlist", 0); - lockdep_set_class(&qinf->qi_dqlist.qh_lock, &xfs_quota_mplist_class); + INIT_LIST_HEAD(&qinf->qi_dqlist); + mutex_init(&qinf->qi_dqlist_lock); + lockdep_set_class(&qinf->qi_dqlist_lock, &xfs_quota_mplist_class); qinf->qi_dqreclaims = 0; @@ -1150,7 +1148,8 @@ xfs_qm_destroy_quotainfo( */ xfs_qm_rele_quotafs_ref(mp); - xfs_qm_list_destroy(&qi->qi_dqlist); + ASSERT(list_empty(&qi->qi_dqlist)); + mutex_destroy(&qi->qi_dqlist_lock); if (qi->qi_uquotaip) { IRELE(qi->qi_uquotaip); @@ -1754,7 +1753,7 @@ xfs_qm_quotacheck( * There should be no cached dquots. The (simplistic) quotacheck * algorithm doesn't like that. */ - ASSERT(XFS_QI_MPLNDQUOTS(mp) == 0); + ASSERT(list_empty(&mp->m_quotainfo->qi_dqlist)); cmn_err(CE_NOTE, "XFS quotacheck %s: Please wait.", mp->m_fsname); @@ -1825,7 +1824,7 @@ xfs_qm_quotacheck( mp->m_qflags &= ~(XFS_OQUOTA_CHKD | XFS_UQUOTA_CHKD); mp->m_qflags |= flags; - XQM_LIST_PRINT(&(XFS_QI_MPL_LIST(mp)), MPL_NEXT, "++++ Mp list +++"); + xfs_qm_dquot_list_print(mp); error_return: if (error) { @@ -1960,6 +1959,7 @@ xfs_qm_shake_freelist( for (dqp = xfs_Gqm->qm_dqfreelist.qh_next; ((dqp != (xfs_dquot_t *) &xfs_Gqm->qm_dqfreelist) && nreclaimed < howmany); ) { + struct xfs_mount *mp = dqp->q_mount; xfs_dqlock(dqp); /* @@ -1981,16 +1981,16 @@ xfs_qm_shake_freelist( * life easier. */ if (dqp->dq_flags & XFS_DQ_INACTIVE) { - ASSERT(dqp->q_mount == NULL); + ASSERT(mp == NULL); ASSERT(! XFS_DQ_IS_DIRTY(dqp)); ASSERT(dqp->HL_PREVP == NULL); - ASSERT(dqp->MPL_PREVP == NULL); + ASSERT(list_empty(&dqp->q_mplist)); XQM_STATS_INC(xqmstats.xs_qm_dqinact_reclaims); nextdqp = dqp->dq_flnext; goto off_freelist; } - ASSERT(dqp->MPL_PREVP); + ASSERT(!list_empty(&dqp->q_mplist)); /* * Try to grab the flush lock. If this dquot is in the process of * getting flushed to disk, we don't want to reclaim it. @@ -2018,7 +2018,7 @@ xfs_qm_shake_freelist( */ error = xfs_qm_dqflush(dqp, 0); if (error) { - xfs_fs_cmn_err(CE_WARN, dqp->q_mount, + xfs_fs_cmn_err(CE_WARN, mp, "xfs_qm_dqflush_all: dquot %p flush failed", dqp); } xfs_dqunlock(dqp); /* dqflush unlocks dqflock */ @@ -2045,7 +2045,7 @@ xfs_qm_shake_freelist( */ hash = dqp->q_hash; ASSERT(hash); - if (! xfs_qm_mplist_nowait(dqp->q_mount)) { + if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) { /* XXX put a sentinel so that we can come back here */ xfs_dqfunlock(dqp); xfs_dqunlock(dqp); @@ -2064,10 +2064,12 @@ xfs_qm_shake_freelist( #endif ASSERT(dqp->q_nrefs == 0); nextdqp = dqp->dq_flnext; - XQM_MPLIST_REMOVE(&(XFS_QI_MPL_LIST(dqp->q_mount)), dqp); XQM_HASHLIST_REMOVE(hash, dqp); + list_del_init(&dqp->q_mplist); + mp->m_quotainfo->qi_dquots--; + mp->m_quotainfo->qi_dqreclaims++; xfs_dqfunlock(dqp); - xfs_qm_mplist_unlock(dqp->q_mount); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); mutex_unlock(&hash->qh_lock); off_freelist: @@ -2134,6 +2136,7 @@ xfs_qm_dqreclaim_one(void) xfs_qm_freelist_lock(xfs_Gqm); FOREACH_DQUOT_IN_FREELIST(dqp, &(xfs_Gqm->qm_dqfreelist)) { + struct xfs_mount *mp = dqp->q_mount; xfs_dqlock(dqp); /* @@ -2161,10 +2164,10 @@ xfs_qm_dqreclaim_one(void) * life easier. */ if (dqp->dq_flags & XFS_DQ_INACTIVE) { - ASSERT(dqp->q_mount == NULL); + ASSERT(mp == NULL); ASSERT(! XFS_DQ_IS_DIRTY(dqp)); ASSERT(dqp->HL_PREVP == NULL); - ASSERT(dqp->MPL_PREVP == NULL); + ASSERT(list_empty(&dqp->q_mplist)); XQM_FREELIST_REMOVE(dqp); xfs_dqunlock(dqp); dqpout = dqp; @@ -2173,7 +2176,7 @@ xfs_qm_dqreclaim_one(void) } ASSERT(dqp->q_hash); - ASSERT(dqp->MPL_PREVP); + ASSERT(!list_empty(&dqp->q_mplist)); /* * Try to grab the flush lock. If this dquot is in the process of @@ -2201,14 +2204,14 @@ xfs_qm_dqreclaim_one(void) */ error = xfs_qm_dqflush(dqp, 0); if (error) { - xfs_fs_cmn_err(CE_WARN, dqp->q_mount, + xfs_fs_cmn_err(CE_WARN, mp, "xfs_qm_dqreclaim: dquot %p flush failed", dqp); } xfs_dqunlock(dqp); /* dqflush unlocks dqflock */ continue; } - if (! xfs_qm_mplist_nowait(dqp->q_mount)) { + if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) { xfs_dqfunlock(dqp); xfs_dqunlock(dqp); continue; @@ -2220,13 +2223,15 @@ xfs_qm_dqreclaim_one(void) trace_xfs_dqreclaim_unlink(dqp); ASSERT(dqp->q_nrefs == 0); - XQM_MPLIST_REMOVE(&(XFS_QI_MPL_LIST(dqp->q_mount)), dqp); + list_del_init(&dqp->q_mplist); + mp->m_quotainfo->qi_dquots--; + mp->m_quotainfo->qi_dqreclaims++; XQM_HASHLIST_REMOVE(dqp->q_hash, dqp); XQM_FREELIST_REMOVE(dqp); dqpout = dqp; mutex_unlock(&dqp->q_hash->qh_lock); mplistunlock: - xfs_qm_mplist_unlock(dqp->q_mount); + mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); xfs_dqfunlock(dqp); xfs_dqunlock(dqp); if (dqpout) diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h index 495564b..91bd053 100644 --- a/fs/xfs/quota/xfs_qm.h +++ b/fs/xfs/quota/xfs_qm.h @@ -106,7 +106,9 @@ typedef struct xfs_qm { typedef struct xfs_quotainfo { xfs_inode_t *qi_uquotaip; /* user quota inode */ xfs_inode_t *qi_gquotaip; /* group quota inode */ - xfs_dqlist_t qi_dqlist; /* all dquots in filesys */ + struct list_head qi_dqlist; /* all dquots in filesys */ + struct mutex qi_dqlist_lock; + int qi_dquots; int qi_dqreclaims; /* a change here indicates a removal in the dqlist */ time_t qi_btimelimit; /* limit for blks timer */ diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index 50bee07..c54fa77 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -442,7 +442,7 @@ xfs_qm_scall_getqstat( IRELE(gip); } if (mp->m_quotainfo) { - out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp); + out->qs_incoredqs = mp->m_quotainfo->qi_dquots; out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp); out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp); out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp); diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h index 8286b28..6f4bbae 100644 --- a/fs/xfs/quota/xfs_quota_priv.h +++ b/fs/xfs/quota/xfs_quota_priv.h @@ -29,7 +29,6 @@ #define XFS_DQ_IS_ADDEDTO_TRX(t, d) ((d)->q_transp == (t)) -#define XFS_QI_MPLRECLAIMS(mp) ((mp)->m_quotainfo->qi_dqreclaims) #define XFS_QI_UQIP(mp) ((mp)->m_quotainfo->qi_uquotaip) #define XFS_QI_GQIP(mp) ((mp)->m_quotainfo->qi_gquotaip) #define XFS_QI_DQCHUNKLEN(mp) ((mp)->m_quotainfo->qi_dqchunklen) @@ -41,19 +40,6 @@ #define XFS_QI_IWARNLIMIT(mp) ((mp)->m_quotainfo->qi_iwarnlimit) #define XFS_QI_QOFFLOCK(mp) ((mp)->m_quotainfo->qi_quotaofflock) -#define XFS_QI_MPL_LIST(mp) ((mp)->m_quotainfo->qi_dqlist) -#define XFS_QI_MPLNEXT(mp) ((mp)->m_quotainfo->qi_dqlist.qh_next) -#define XFS_QI_MPLNDQUOTS(mp) ((mp)->m_quotainfo->qi_dqlist.qh_nelems) - -#define xfs_qm_mplist_lock(mp) \ - mutex_lock(&(XFS_QI_MPL_LIST(mp).qh_lock)) -#define xfs_qm_mplist_nowait(mp) \ - mutex_trylock(&(XFS_QI_MPL_LIST(mp).qh_lock)) -#define xfs_qm_mplist_unlock(mp) \ - mutex_unlock(&(XFS_QI_MPL_LIST(mp).qh_lock)) -#define XFS_QM_IS_MPLIST_LOCKED(mp) \ - mutex_is_locked(&(XFS_QI_MPL_LIST(mp).qh_lock)) - #define xfs_qm_freelist_lock(qm) \ mutex_lock(&((qm)->qm_dqfreelist.qh_lock)) #define xfs_qm_freelist_lock_nowait(qm) \ @@ -88,8 +74,6 @@ #define HL_PREVP dq_hashlist.ql_prevp #define HL_NEXT dq_hashlist.ql_next -#define MPL_PREVP dq_mplist.ql_prevp -#define MPL_NEXT dq_mplist.ql_next #define _LIST_REMOVE(h, dqp, PVP, NXT) \ @@ -116,9 +100,6 @@ (h)->qh_nelems++; \ } -#define FOREACH_DQUOT_IN_MP(dqp, mp) \ - for ((dqp) = XFS_QI_MPLNEXT(mp); (dqp) != NULL; (dqp) = (dqp)->MPL_NEXT) - #define FOREACH_DQUOT_IN_FREELIST(dqp, qlist) \ for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \ (dqp) = (dqp)->dq_flnext) @@ -129,16 +110,10 @@ for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \ #define XQM_FREELIST_INSERT(h, dqp) \ xfs_qm_freelist_append(h, dqp) -#define XQM_MPLIST_INSERT(h, dqp) \ - _LIST_INSERT(h, dqp, MPL_PREVP, MPL_NEXT) - #define XQM_HASHLIST_REMOVE(h, dqp) \ _LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT) #define XQM_FREELIST_REMOVE(dqp) \ xfs_qm_freelist_unlink(dqp) -#define XQM_MPLIST_REMOVE(h, dqp) \ - { _LIST_REMOVE(h, dqp, MPL_PREVP, MPL_NEXT); \ - XFS_QI_MPLRECLAIMS((dqp)->q_mount)++; } #define XFS_DQ_IS_LOGITEM_INITD(dqp) ((dqp)->q_logitem.qli_dquot == (dqp)) |