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f2fs: recover wrong pino after checkpoint during fsync

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If a file is linked, f2fs loose its parent inode number so that fsync calls
for the linked file should do checkpoint all the time.
But, if we can recover its parent inode number after the checkpoint, we can
adjust roll-forward mechanism for the further fsync calls, which is able to
improve the fsync performance significatly.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim
2013-06-14 08:52:35 +09:00
parent b25958b6ec
commit 354a3399dc
6 changed files with 45 additions and 9 deletions
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2
fs/f2fs/segment.c
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@@ -796,7 +796,7 @@ static int __get_segment_type_6(struct page *page, enum page_type p_type)
if (S_ISDIR(inode->i_mode))
return CURSEG_HOT_DATA;
else if (is_cold_data(page) || is_cold_file(inode))
else if (is_cold_data(page) || file_is_cold(inode))
return CURSEG_COLD_DATA;
else
return CURSEG_WARM_DATA;