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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-11 12:45:39 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-20 08:59:42 -0700 |
| commit | 315df8398e36360c0be62e6fdd3f2708fc3a2567 (patch) | |
| tree | d2e5a7bc57291777d558bd6083fbdad2f26e8565 /fs/f2fs | |
| parent | 4c278394b0feb7aadc538be12ab0474b106a7255 (diff) | |
| download | talos-op-linux-315df8398e36360c0be62e6fdd3f2708fc3a2567.tar.gz talos-op-linux-315df8398e36360c0be62e6fdd3f2708fc3a2567.zip | |
f2fs: do not write any node pages related to orphan inodes
We should not write node pages when deleting orphan inodes.
In order to do that, we can eaisly set POR_DOING flag earlier before entering
orphan inode routine.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 4 | ||||
| -rw-r--r-- | fs/f2fs/recovery.c | 4 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 6 |
3 files changed, 6 insertions, 8 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 0958c8399d8e..890e4d4c39d7 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -497,8 +497,6 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi) if (!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG)) return 0; - set_sbi_flag(sbi, SBI_POR_DOING); - start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi); orphan_blocks = __start_sum_addr(sbi) - 1 - __cp_payload(sbi); @@ -514,7 +512,6 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi) err = recover_orphan_inode(sbi, ino); if (err) { f2fs_put_page(page, 1); - clear_sbi_flag(sbi, SBI_POR_DOING); return err; } } @@ -522,7 +519,6 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi) } /* clear Orphan Flag */ clear_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG); - clear_sbi_flag(sbi, SBI_POR_DOING); return 0; } diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index d2ef0c9f53e7..faec2ca004b9 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -545,14 +545,12 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) INIT_LIST_HEAD(&inode_list); - /* step #1: find fsynced inode numbers */ - set_sbi_flag(sbi, SBI_POR_DOING); - /* prevent checkpoint */ mutex_lock(&sbi->cp_mutex); blkaddr = NEXT_FREE_BLKADDR(sbi, curseg); + /* step #1: find fsynced inode numbers */ err = find_fsync_dnodes(sbi, &inode_list); if (err) goto out; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 4db5cd9fb4b9..cfe3f9579934 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1165,7 +1165,9 @@ try_onemore: mutex_init(&sbi->writepages); mutex_init(&sbi->cp_mutex); init_rwsem(&sbi->node_write); - clear_sbi_flag(sbi, SBI_POR_DOING); + + /* disallow all the data/node/meta page writes */ + set_sbi_flag(sbi, SBI_POR_DOING); spin_lock_init(&sbi->stat_lock); init_rwsem(&sbi->read_io.io_rwsem); @@ -1309,6 +1311,8 @@ try_onemore: goto free_kobj; } } + /* recover_fsync_data() cleared this already */ + clear_sbi_flag(sbi, SBI_POR_DOING); /* * If filesystem is not mounted as read-only then |
