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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-02-01 16:51:22 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-02-23 10:10:48 -0800 |
| commit | 942fd3192f83cef54bc0d485937fd5382ac5acd0 (patch) | |
| tree | 12635c6163266d68c7555a98dd45f8ad5fc2b868 /fs/f2fs/node.c | |
| parent | d68f735b3bc934a7523a047aa952a577cf6ca171 (diff) | |
| download | linux-942fd3192f83cef54bc0d485937fd5382ac5acd0.tar.bz2 | |
f2fs: check last page index in cached bio to decide submission
If the cached bio has the last page's index, then we need to submit it.
Otherwise, we don't need to submit it and can wait for further IO merges.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 5bd05e552d19..8203a2f8b350 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1374,7 +1374,8 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, up_read(&sbi->node_write); if (wbc->for_reclaim) { - f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, NODE, WRITE); + f2fs_submit_merged_bio_cond(sbi, page->mapping->host, 0, + page->index, NODE, WRITE); submitted = NULL; } @@ -1404,12 +1405,12 @@ int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, struct writeback_control *wbc, bool atomic) { pgoff_t index, end; + pgoff_t last_idx = ULONG_MAX; struct pagevec pvec; int ret = 0; struct page *last_page = NULL; bool marked = false; nid_t ino = inode->i_ino; - int nwritten = 0; if (atomic) { last_page = last_fsync_dnode(sbi, ino); @@ -1488,7 +1489,7 @@ continue_unlock: f2fs_put_page(last_page, 0); break; } else if (submitted) { - nwritten++; + last_idx = page->index; } if (page == last_page) { @@ -1514,8 +1515,9 @@ continue_unlock: goto retry; } out: - if (nwritten) - f2fs_submit_merged_bio_cond(sbi, NULL, NULL, ino, NODE, WRITE); + if (last_idx != ULONG_MAX) + f2fs_submit_merged_bio_cond(sbi, NULL, ino, last_idx, + NODE, WRITE); return ret ? -EIO: 0; } |