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-rw-r--r--fs/f2fs/checkpoint.c94
1 files changed, 79 insertions, 15 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index e8b6b89bddb8..9c28ea439e0b 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/checkpoint.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/fs.h>
#include <linux/bio.h>
@@ -122,11 +119,8 @@ retry:
if (PTR_ERR(page) == -EIO &&
++count <= DEFAULT_RETRY_IO_COUNT)
goto retry;
-
f2fs_stop_checkpoint(sbi, false);
- f2fs_bug_on(sbi, 1);
}
-
return page;
}
@@ -282,8 +276,7 @@ static int __f2fs_write_meta_page(struct page *page,
dec_page_count(sbi, F2FS_DIRTY_META);
if (wbc->for_reclaim)
- f2fs_submit_merged_write_cond(sbi, page->mapping->host,
- 0, page->index, META);
+ f2fs_submit_merged_write_cond(sbi, NULL, page, 0, META);
unlock_page(page);
@@ -696,6 +689,8 @@ int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
/* clear Orphan Flag */
clear_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG);
out:
+ set_sbi_flag(sbi, SBI_IS_RECOVERED);
+
#ifdef CONFIG_QUOTA
/* Turn quotas off */
if (quota_enabled)
@@ -1084,6 +1079,21 @@ static void __prepare_cp_block(struct f2fs_sb_info *sbi)
ckpt->next_free_nid = cpu_to_le32(last_nid);
}
+static bool __need_flush_quota(struct f2fs_sb_info *sbi)
+{
+ if (!is_journalled_quota(sbi))
+ return false;
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
+ return false;
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
+ return false;
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_FLUSH))
+ return true;
+ if (get_pages(sbi, F2FS_DIRTY_QDATA))
+ return true;
+ return false;
+}
+
/*
* Freeze all the FS-operations for checkpoint.
*/
@@ -1095,12 +1105,36 @@ static int block_operations(struct f2fs_sb_info *sbi)
.for_reclaim = 0,
};
struct blk_plug plug;
- int err = 0;
+ int err = 0, cnt = 0;
blk_start_plug(&plug);
-retry_flush_dents:
+retry_flush_quotas:
+ if (__need_flush_quota(sbi)) {
+ int locked;
+
+ if (++cnt > DEFAULT_RETRY_QUOTA_FLUSH_COUNT) {
+ set_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
+ f2fs_lock_all(sbi);
+ goto retry_flush_dents;
+ }
+ clear_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
+
+ /* only failed during mount/umount/freeze/quotactl */
+ locked = down_read_trylock(&sbi->sb->s_umount);
+ f2fs_quota_sync(sbi->sb, -1);
+ if (locked)
+ up_read(&sbi->sb->s_umount);
+ }
+
f2fs_lock_all(sbi);
+ if (__need_flush_quota(sbi)) {
+ f2fs_unlock_all(sbi);
+ cond_resched();
+ goto retry_flush_quotas;
+ }
+
+retry_flush_dents:
/* write all the dirty dentry pages */
if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
f2fs_unlock_all(sbi);
@@ -1108,7 +1142,7 @@ retry_flush_dents:
if (err)
goto out;
cond_resched();
- goto retry_flush_dents;
+ goto retry_flush_quotas;
}
/*
@@ -1117,6 +1151,12 @@ retry_flush_dents:
*/
down_write(&sbi->node_change);
+ if (__need_flush_quota(sbi)) {
+ up_write(&sbi->node_change);
+ f2fs_unlock_all(sbi);
+ goto retry_flush_quotas;
+ }
+
if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
up_write(&sbi->node_change);
f2fs_unlock_all(sbi);
@@ -1124,7 +1164,7 @@ retry_flush_dents:
if (err)
goto out;
cond_resched();
- goto retry_flush_dents;
+ goto retry_flush_quotas;
}
retry_flush_nodes:
@@ -1215,6 +1255,19 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
__set_ckpt_flags(ckpt, CP_FSCK_FLAG);
+ if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
+ __set_ckpt_flags(ckpt, CP_DISABLED_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_DISABLED_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
+ __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
+ __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+
/* set this flag to activate crc|cp_ver for recovery */
__set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG);
__clear_ckpt_flags(ckpt, CP_NOCRC_RECOVERY_FLAG);
@@ -1422,6 +1475,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
clear_sbi_flag(sbi, SBI_IS_DIRTY);
clear_sbi_flag(sbi, SBI_NEED_CP);
+ clear_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
+ sbi->unusable_block_count = 0;
__set_cp_next_pack(sbi);
/*
@@ -1446,6 +1501,12 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
unsigned long long ckpt_ver;
int err = 0;
+ if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
+ if (cpc->reason != CP_PAUSE)
+ return 0;
+ f2fs_msg(sbi->sb, KERN_WARNING,
+ "Start checkpoint disabled!");
+ }
mutex_lock(&sbi->cp_mutex);
if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
@@ -1497,7 +1558,10 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
/* write cached NAT/SIT entries to NAT/SIT area */
- f2fs_flush_nat_entries(sbi, cpc);
+ err = f2fs_flush_nat_entries(sbi, cpc);
+ if (err)
+ goto stop;
+
f2fs_flush_sit_entries(sbi, cpc);
/* unlock all the fs_lock[] in do_checkpoint() */
@@ -1506,7 +1570,7 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
f2fs_release_discard_addrs(sbi);
else
f2fs_clear_prefree_segments(sbi, cpc);
-
+stop:
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 16:09:25 +0100