forked from luck/tmp_suning_uos_patched
ocfs2: add orphan recovery types in ocfs2_recover_orphans
Define two orphan recovery types, which indicates if need truncate file or not. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Weiwei Wang <wangww631@huawei.com> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Xuejiufei <xuejiufei@huawei.com> Cc: alex chen <alex.chen@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joseph Qi
Linus Torvalds
parent
06ee5c75b5
commit
ed460cffc2
@ -50,6 +50,8 @@
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#include "sysfile.h"
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#include "uptodate.h"
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#include "quota.h"
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#include "file.h"
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#include "namei.h"
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#include "buffer_head_io.h"
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#include "ocfs2_trace.h"
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@ -69,13 +71,15 @@ static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb,
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static int ocfs2_trylock_journal(struct ocfs2_super *osb,
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int slot_num);
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static int ocfs2_recover_orphans(struct ocfs2_super *osb,
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int slot);
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int slot,
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enum ocfs2_orphan_reco_type orphan_reco_type);
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static int ocfs2_commit_thread(void *arg);
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static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal,
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int slot_num,
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struct ocfs2_dinode *la_dinode,
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struct ocfs2_dinode *tl_dinode,
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struct ocfs2_quota_recovery *qrec);
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struct ocfs2_quota_recovery *qrec,
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enum ocfs2_orphan_reco_type orphan_reco_type);
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static inline int ocfs2_wait_on_mount(struct ocfs2_super *osb)
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{
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@ -149,7 +153,8 @@ int ocfs2_compute_replay_slots(struct ocfs2_super *osb)
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return 0;
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}
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void ocfs2_queue_replay_slots(struct ocfs2_super *osb)
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void ocfs2_queue_replay_slots(struct ocfs2_super *osb,
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enum ocfs2_orphan_reco_type orphan_reco_type)
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{
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struct ocfs2_replay_map *replay_map = osb->replay_map;
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int i;
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@ -163,7 +168,8 @@ void ocfs2_queue_replay_slots(struct ocfs2_super *osb)
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for (i = 0; i < replay_map->rm_slots; i++)
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if (replay_map->rm_replay_slots[i])
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ocfs2_queue_recovery_completion(osb->journal, i, NULL,
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NULL, NULL);
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NULL, NULL,
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orphan_reco_type);
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replay_map->rm_state = REPLAY_DONE;
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}
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@ -1174,6 +1180,7 @@ struct ocfs2_la_recovery_item {
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struct ocfs2_dinode *lri_la_dinode;
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struct ocfs2_dinode *lri_tl_dinode;
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struct ocfs2_quota_recovery *lri_qrec;
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enum ocfs2_orphan_reco_type lri_orphan_reco_type;
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};
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/* Does the second half of the recovery process. By this point, the
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@ -1195,6 +1202,7 @@ void ocfs2_complete_recovery(struct work_struct *work)
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struct ocfs2_dinode *la_dinode, *tl_dinode;
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struct ocfs2_la_recovery_item *item, *n;
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struct ocfs2_quota_recovery *qrec;
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enum ocfs2_orphan_reco_type orphan_reco_type;
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LIST_HEAD(tmp_la_list);
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trace_ocfs2_complete_recovery(
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@ -1212,6 +1220,7 @@ void ocfs2_complete_recovery(struct work_struct *work)
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la_dinode = item->lri_la_dinode;
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tl_dinode = item->lri_tl_dinode;
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qrec = item->lri_qrec;
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orphan_reco_type = item->lri_orphan_reco_type;
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trace_ocfs2_complete_recovery_slot(item->lri_slot,
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la_dinode ? le64_to_cpu(la_dinode->i_blkno) : 0,
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@ -1236,7 +1245,8 @@ void ocfs2_complete_recovery(struct work_struct *work)
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kfree(tl_dinode);
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}
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ret = ocfs2_recover_orphans(osb, item->lri_slot);
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ret = ocfs2_recover_orphans(osb, item->lri_slot,
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orphan_reco_type);
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if (ret < 0)
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mlog_errno(ret);
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@ -1261,7 +1271,8 @@ static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal,
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int slot_num,
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struct ocfs2_dinode *la_dinode,
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struct ocfs2_dinode *tl_dinode,
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struct ocfs2_quota_recovery *qrec)
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struct ocfs2_quota_recovery *qrec,
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enum ocfs2_orphan_reco_type orphan_reco_type)
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{
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struct ocfs2_la_recovery_item *item;
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@ -1285,6 +1296,7 @@ static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal,
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item->lri_slot = slot_num;
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item->lri_tl_dinode = tl_dinode;
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item->lri_qrec = qrec;
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item->lri_orphan_reco_type = orphan_reco_type;
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spin_lock(&journal->j_lock);
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list_add_tail(&item->lri_list, &journal->j_la_cleanups);
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@ -1304,7 +1316,8 @@ void ocfs2_complete_mount_recovery(struct ocfs2_super *osb)
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/* No need to queue up our truncate_log as regular cleanup will catch
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* that */
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ocfs2_queue_recovery_completion(journal, osb->slot_num,
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osb->local_alloc_copy, NULL, NULL);
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osb->local_alloc_copy, NULL, NULL,
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ORPHAN_NEED_TRUNCATE);
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ocfs2_schedule_truncate_log_flush(osb, 0);
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osb->local_alloc_copy = NULL;
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@ -1312,7 +1325,7 @@ void ocfs2_complete_mount_recovery(struct ocfs2_super *osb)
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/* queue to recover orphan slots for all offline slots */
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ocfs2_replay_map_set_state(osb, REPLAY_NEEDED);
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ocfs2_queue_replay_slots(osb);
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ocfs2_queue_replay_slots(osb, ORPHAN_NEED_TRUNCATE);
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ocfs2_free_replay_slots(osb);
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}
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@ -1323,7 +1336,8 @@ void ocfs2_complete_quota_recovery(struct ocfs2_super *osb)
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osb->slot_num,
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NULL,
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NULL,
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osb->quota_rec);
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osb->quota_rec,
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ORPHAN_NEED_TRUNCATE);
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osb->quota_rec = NULL;
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}
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}
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@ -1360,7 +1374,7 @@ static int __ocfs2_recovery_thread(void *arg)
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/* queue recovery for our own slot */
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ocfs2_queue_recovery_completion(osb->journal, osb->slot_num, NULL,
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NULL, NULL);
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NULL, NULL, ORPHAN_NO_NEED_TRUNCATE);
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spin_lock(&osb->osb_lock);
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while (rm->rm_used) {
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@ -1419,13 +1433,14 @@ static int __ocfs2_recovery_thread(void *arg)
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continue;
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}
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ocfs2_queue_recovery_completion(osb->journal, rm_quota[i],
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NULL, NULL, qrec);
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NULL, NULL, qrec,
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ORPHAN_NEED_TRUNCATE);
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}
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ocfs2_super_unlock(osb, 1);
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/* queue recovery for offline slots */
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ocfs2_queue_replay_slots(osb);
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ocfs2_queue_replay_slots(osb, ORPHAN_NEED_TRUNCATE);
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bail:
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mutex_lock(&osb->recovery_lock);
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@ -1711,7 +1726,7 @@ static int ocfs2_recover_node(struct ocfs2_super *osb,
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/* This will kfree the memory pointed to by la_copy and tl_copy */
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ocfs2_queue_recovery_completion(osb->journal, slot_num, la_copy,
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tl_copy, NULL);
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tl_copy, NULL, ORPHAN_NEED_TRUNCATE);
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status = 0;
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done:
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@ -1901,7 +1916,7 @@ void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
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for (i = 0; i < osb->max_slots; i++)
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ocfs2_queue_recovery_completion(osb->journal, i, NULL, NULL,
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NULL);
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NULL, ORPHAN_NO_NEED_TRUNCATE);
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/*
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* We queued a recovery on orphan slots, increment the sequence
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* number and update LVB so other node will skip the scan for a while
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@ -2000,6 +2015,13 @@ static int ocfs2_orphan_filldir(struct dir_context *ctx, const char *name,
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if (IS_ERR(iter))
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return 0;
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/* Skip inodes which are already added to recover list, since dio may
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* happen concurrently with unlink/rename */
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if (OCFS2_I(iter)->ip_next_orphan) {
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iput(iter);
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return 0;
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}
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trace_ocfs2_orphan_filldir((unsigned long long)OCFS2_I(iter)->ip_blkno);
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/* No locking is required for the next_orphan queue as there
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* is only ever a single process doing orphan recovery. */
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@ -2108,7 +2130,8 @@ static void ocfs2_clear_recovering_orphan_dir(struct ocfs2_super *osb,
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* advertising our state to ocfs2_delete_inode().
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*/
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static int ocfs2_recover_orphans(struct ocfs2_super *osb,
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int slot)
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int slot,
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enum ocfs2_orphan_reco_type orphan_reco_type)
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{
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int ret = 0;
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struct inode *inode = NULL;
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@ -2132,13 +2155,58 @@ static int ocfs2_recover_orphans(struct ocfs2_super *osb,
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(unsigned long long)oi->ip_blkno);
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iter = oi->ip_next_orphan;
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oi->ip_next_orphan = NULL;
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/*
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* We need to take and drop the inode lock to
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* force read inode from disk.
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*/
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ret = ocfs2_inode_lock(inode, NULL, 0);
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if (ret) {
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mlog_errno(ret);
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goto next;
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}
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ocfs2_inode_unlock(inode, 0);
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if (inode->i_nlink == 0) {
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spin_lock(&oi->ip_lock);
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/* Set the proper information to get us going into
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* ocfs2_delete_inode. */
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oi->ip_flags |= OCFS2_INODE_MAYBE_ORPHANED;
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spin_unlock(&oi->ip_lock);
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} else if (orphan_reco_type == ORPHAN_NEED_TRUNCATE) {
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struct buffer_head *di_bh = NULL;
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ret = ocfs2_rw_lock(inode, 1);
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if (ret) {
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mlog_errno(ret);
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goto next;
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}
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ret = ocfs2_inode_lock(inode, &di_bh, 1);
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if (ret < 0) {
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ocfs2_rw_unlock(inode, 1);
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mlog_errno(ret);
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goto next;
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}
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ret = ocfs2_truncate_file(inode, di_bh,
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i_size_read(inode));
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ocfs2_inode_unlock(inode, 1);
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ocfs2_rw_unlock(inode, 1);
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brelse(di_bh);
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if (ret < 0) {
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if (ret != -ENOSPC)
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mlog_errno(ret);
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goto next;
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}
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ret = ocfs2_del_inode_from_orphan(osb, inode, 0, 0);
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if (ret)
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mlog_errno(ret);
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} /* else if ORPHAN_NO_NEED_TRUNCATE, do nothing */
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next:
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iput(inode);
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inode = iter;
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@ -209,6 +209,11 @@ struct ocfs2_lock_res {
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#endif
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};
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enum ocfs2_orphan_reco_type {
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ORPHAN_NO_NEED_TRUNCATE = 0,
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ORPHAN_NEED_TRUNCATE,
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};
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enum ocfs2_orphan_scan_state {
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ORPHAN_SCAN_ACTIVE,
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ORPHAN_SCAN_INACTIVE
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