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f2fs: write only the pages in range during defragment

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@lend of filemap_write_and_wait_range is supposed to be a "offset
in bytes where the range ends (inclusive)". Subtract 1 to avoid
writing an extra page.

Signed-off-by: Fan li <fanofcode.li@samsung.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Fan Li 2015-12-14 13:34:00 +08:00 committed by Jaegeuk Kim
parent e1c51b9f1d
commit d8fe4f0e74
1 changed files with 1 additions and 1 deletions
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fs/f2fs/file.c
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@ -1686,7 +1686,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
/* writeback all dirty pages in the range */
err = filemap_write_and_wait_range(inode->i_mapping, range->start,
range->start + range->len);
range->start + range->len - 1);
if (err)
goto out;