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| author | Chao Yu <yuchao0@huawei.com> | 2018-12-12 18:12:32 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-12-26 15:16:54 -0800 |
| commit | 8ec18bff7b90b56eba5986555c174721ebd5670b (patch) | |
| tree | 2c04f24ffb16ea81d5daae989d78652b9fce4cf8 /fs/f2fs | |
| parent | 76c7bfb3a89371aa87bda99c8ee2611ff5150434 (diff) | |
| download | linux-8ec18bff7b90b56eba5986555c174721ebd5670b.tar.bz2 | |
f2fs: clean up checkpoint flow
This patch cleans up checkpoint flow a bit:
- remove unneeded circulation of flushing meta pages.
- don't flush nat_bits pages in prior to other checkpoint pages.
- add bug_on to check remained meta pages after flushing.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 1d8283370861..5401ea5e491d 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1329,11 +1329,9 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) int err; /* Flush all the NAT/SIT pages */ - while (get_pages(sbi, F2FS_DIRTY_META)) { - f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO); - if (unlikely(f2fs_cp_error(sbi))) - break; - } + f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO); + f2fs_bug_on(sbi, get_pages(sbi, F2FS_DIRTY_META) && + !f2fs_cp_error(sbi)); /* * modify checkpoint @@ -1406,14 +1404,6 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) for (i = 0; i < nm_i->nat_bits_blocks; i++) f2fs_update_meta_page(sbi, nm_i->nat_bits + (i << F2FS_BLKSIZE_BITS), blk + i); - - /* Flush all the NAT BITS pages */ - while (get_pages(sbi, F2FS_DIRTY_META)) { - f2fs_sync_meta_pages(sbi, META, LONG_MAX, - FS_CP_META_IO); - if (unlikely(f2fs_cp_error(sbi))) - break; - } } /* write out checkpoint buffer at block 0 */ @@ -1449,6 +1439,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* Here, we have one bio having CP pack except cp pack 2 page */ f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO); + f2fs_bug_on(sbi, get_pages(sbi, F2FS_DIRTY_META) && + !f2fs_cp_error(sbi)); /* wait for previous submitted meta pages writeback */ f2fs_wait_on_all_pages_writeback(sbi); |