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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-18 12:40:49 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-18 13:58:59 +0900 |
| commit | 87d6f890944d092c4ef5b84053f0d0d5d8137b0b (patch) | |
| tree | b66d6ff07f4e9d838f43e3ddb0eae916507ce343 /fs/f2fs/node.c | |
| parent | f8b2c1f940dca2843fe13b55ba5868bac8040551 (diff) | |
| download | linux-87d6f890944d092c4ef5b84053f0d0d5d8137b0b.tar.gz linux-87d6f890944d092c4ef5b84053f0d0d5d8137b0b.tar.bz2 linux-87d6f890944d092c4ef5b84053f0d0d5d8137b0b.zip | |
f2fs: avoid small data writes by skipping writepages
This patch introduces nr_pages_to_skip(sbi, type) to determine writepages can
be skipped.
The dentry, node, and meta pages can be conrolled by F2FS without breaking the
FS consistency.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 3e36240d81c1..cb514f1896ab 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1198,12 +1198,6 @@ redirty_out: return AOP_WRITEPAGE_ACTIVATE; } -/* - * It is very important to gather dirty pages and write at once, so that we can - * submit a big bio without interfering other data writes. - * Be default, 512 pages (2MB) * 3 node types, is more reasonable. - */ -#define COLLECT_DIRTY_NODES 1536 static int f2fs_write_node_pages(struct address_space *mapping, struct writeback_control *wbc) { @@ -1214,7 +1208,7 @@ static int f2fs_write_node_pages(struct address_space *mapping, f2fs_balance_fs_bg(sbi); /* collect a number of dirty node pages and write together */ - if (get_pages(sbi, F2FS_DIRTY_NODES) < COLLECT_DIRTY_NODES) + if (get_pages(sbi, F2FS_DIRTY_NODES) < nr_pages_to_skip(sbi, NODE)) return 0; /* if mounting is failed, skip writing node pages */ |