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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-12-20 06:16:34 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-01-03 06:27:31 +0300 |
| commit | c39a1b348c4fe172729eff77c533dabc3c7cdaa7 (patch) | |
| tree | be649bb5ee7fd4bbfe5b37647080826e60f7d27f /fs/f2fs/segment.c | |
| parent | 211a6fa04c56e8c57faca245880148bcb6419073 (diff) | |
| download | linux-c39a1b348c4fe172729eff77c533dabc3c7cdaa7.tar.xz | |
f2fs: return error during fill_super
Let's avoid BUG_ON during fill_super, when on-disk was totall corrupted.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 40e1d20b8080..b03f65e5dfdc 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -3476,7 +3476,7 @@ static int build_curseg(struct f2fs_sb_info *sbi) return restore_curseg_summaries(sbi); } -static void build_sit_entries(struct f2fs_sb_info *sbi) +static int build_sit_entries(struct f2fs_sb_info *sbi) { struct sit_info *sit_i = SIT_I(sbi); struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_COLD_DATA); @@ -3486,6 +3486,7 @@ static void build_sit_entries(struct f2fs_sb_info *sbi) int sit_blk_cnt = SIT_BLK_CNT(sbi); unsigned int i, start, end; unsigned int readed, start_blk = 0; + int err = 0; do { readed = ra_meta_pages(sbi, start_blk, BIO_MAX_PAGES, @@ -3504,7 +3505,9 @@ static void build_sit_entries(struct f2fs_sb_info *sbi) sit = sit_blk->entries[SIT_ENTRY_OFFSET(sit_i, start)]; f2fs_put_page(page, 1); - check_block_count(sbi, start, &sit); + err = check_block_count(sbi, start, &sit); + if (err) + return err; seg_info_from_raw_sit(se, &sit); /* build discard map only one time */ @@ -3539,7 +3542,9 @@ static void build_sit_entries(struct f2fs_sb_info *sbi) old_valid_blocks = se->valid_blocks; - check_block_count(sbi, start, &sit); + err = check_block_count(sbi, start, &sit); + if (err) + break; seg_info_from_raw_sit(se, &sit); if (f2fs_discard_en(sbi)) { @@ -3559,6 +3564,7 @@ static void build_sit_entries(struct f2fs_sb_info *sbi) se->valid_blocks - old_valid_blocks; } up_read(&curseg->journal_rwsem); + return err; } static void init_free_segmap(struct f2fs_sb_info *sbi) @@ -3733,7 +3739,9 @@ int build_segment_manager(struct f2fs_sb_info *sbi) return err; /* reinit free segmap based on SIT */ - build_sit_entries(sbi); + err = build_sit_entries(sbi); + if (err) + return err; init_free_segmap(sbi); err = build_dirty_segmap(sbi); |