diff options
Diffstat (limited to 'fs/xfs/xfs_qm.c')
| -rw-r--r-- | fs/xfs/xfs_qm.c | 59 |
1 files changed, 25 insertions, 34 deletions
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 0dde1f48c280..a2579e1d687f 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -61,11 +61,6 @@ STATIC int xfs_qm_init_quotainos(xfs_mount_t *); STATIC int xfs_qm_init_quotainfo(xfs_mount_t *); STATIC int xfs_qm_shake(struct shrinker *, struct shrink_control *); -static struct shrinker xfs_qm_shaker = { - .shrink = xfs_qm_shake, - .seeks = DEFAULT_SEEKS, -}; - /* * Initialize the XQM structure. * Note that there is not one quota manager per file system. @@ -106,13 +101,6 @@ xfs_Gqm_init(void) } /* - * Freelist of all dquots of all file systems - */ - INIT_LIST_HEAD(&xqm->qm_dqfrlist); - xqm->qm_dqfrlist_cnt = 0; - mutex_init(&xqm->qm_dqfrlist_lock); - - /* * dquot zone. we register our own low-memory callback. */ if (!qm_dqzone) { @@ -122,8 +110,6 @@ xfs_Gqm_init(void) } else xqm->qm_dqzone = qm_dqzone; - register_shrinker(&xfs_qm_shaker); - /* * The t_dqinfo portion of transactions. */ @@ -155,12 +141,6 @@ xfs_qm_destroy( ASSERT(xqm != NULL); ASSERT(xqm->qm_nrefs == 0); - unregister_shrinker(&xfs_qm_shaker); - - mutex_lock(&xqm->qm_dqfrlist_lock); - ASSERT(list_empty(&xqm->qm_dqfrlist)); - mutex_unlock(&xqm->qm_dqfrlist_lock); - hsize = xqm->qm_dqhashmask + 1; for (i = 0; i < hsize; i++) { xfs_qm_list_destroy(&(xqm->qm_usr_dqhtable[i])); @@ -826,6 +806,10 @@ xfs_qm_init_quotainfo( mutex_init(&qinf->qi_dqlist_lock); lockdep_set_class(&qinf->qi_dqlist_lock, &xfs_quota_mplist_class); + INIT_LIST_HEAD(&qinf->qi_lru_list); + qinf->qi_lru_count = 0; + mutex_init(&qinf->qi_lru_lock); + qinf->qi_dqreclaims = 0; /* mutex used to serialize quotaoffs */ @@ -893,6 +877,9 @@ xfs_qm_init_quotainfo( qinf->qi_rtbwarnlimit = XFS_QM_RTBWARNLIMIT; } + qinf->qi_shrinker.shrink = xfs_qm_shake; + qinf->qi_shrinker.seeks = DEFAULT_SEEKS; + register_shrinker(&qinf->qi_shrinker); return 0; } @@ -912,6 +899,8 @@ xfs_qm_destroy_quotainfo( ASSERT(qi != NULL); ASSERT(xfs_Gqm != NULL); + unregister_shrinker(&qi->qi_shrinker); + /* * Release the reference that XQM kept, so that we know * when the XQM structure should be freed. We cannot assume @@ -1623,6 +1612,7 @@ xfs_qm_dqreclaim_one( struct list_head *dispose_list) { struct xfs_mount *mp = dqp->q_mount; + struct xfs_quotainfo *qi = mp->m_quotainfo; int error; if (!xfs_dqlock_nowait(dqp)) @@ -1638,8 +1628,8 @@ xfs_qm_dqreclaim_one( trace_xfs_dqreclaim_want(dqp); XFS_STATS_INC(xs_qm_dqwants); - list_del_init(&dqp->q_freelist); - xfs_Gqm->qm_dqfrlist_cnt--; + list_del_init(&dqp->q_lru); + qi->qi_lru_count--; XFS_STATS_DEC(xs_qm_dquot_unused); return; } @@ -1688,8 +1678,8 @@ xfs_qm_dqreclaim_one( xfs_dqunlock(dqp); ASSERT(dqp->q_nrefs == 0); - list_move_tail(&dqp->q_freelist, dispose_list); - xfs_Gqm->qm_dqfrlist_cnt--; + list_move_tail(&dqp->q_lru, dispose_list); + qi->qi_lru_count--; XFS_STATS_DEC(xs_qm_dquot_unused); trace_xfs_dqreclaim_done(dqp); @@ -1702,7 +1692,7 @@ out_busy: /* * Move the dquot to the tail of the list so that we don't spin on it. */ - list_move_tail(&dqp->q_freelist, &xfs_Gqm->qm_dqfrlist); + list_move_tail(&dqp->q_lru, &qi->qi_lru_list); trace_xfs_dqreclaim_busy(dqp); XFS_STATS_INC(xs_qm_dqreclaim_misses); @@ -1713,6 +1703,8 @@ xfs_qm_shake( struct shrinker *shrink, struct shrink_control *sc) { + struct xfs_quotainfo *qi = + container_of(shrink, struct xfs_quotainfo, qi_shrinker); int nr_to_scan = sc->nr_to_scan; LIST_HEAD (dispose_list); struct xfs_dquot *dqp; @@ -1722,24 +1714,23 @@ xfs_qm_shake( if (!nr_to_scan) goto out; - mutex_lock(&xfs_Gqm->qm_dqfrlist_lock); - while (!list_empty(&xfs_Gqm->qm_dqfrlist)) { + mutex_lock(&qi->qi_lru_lock); + while (!list_empty(&qi->qi_lru_list)) { if (nr_to_scan-- <= 0) break; - dqp = list_first_entry(&xfs_Gqm->qm_dqfrlist, struct xfs_dquot, - q_freelist); + dqp = list_first_entry(&qi->qi_lru_list, struct xfs_dquot, + q_lru); xfs_qm_dqreclaim_one(dqp, &dispose_list); } - mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock); + mutex_unlock(&qi->qi_lru_lock); while (!list_empty(&dispose_list)) { - dqp = list_first_entry(&dispose_list, struct xfs_dquot, - q_freelist); - list_del_init(&dqp->q_freelist); + dqp = list_first_entry(&dispose_list, struct xfs_dquot, q_lru); + list_del_init(&dqp->q_lru); xfs_qm_dqfree_one(dqp); } out: - return (xfs_Gqm->qm_dqfrlist_cnt / 100) * sysctl_vfs_cache_pressure; + return (qi->qi_lru_count / 100) * sysctl_vfs_cache_pressure; } /* |