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authorFan Li <fanofcode.li@samsung.com>2015-12-14 08:34:00 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2015-12-14 21:17:54 +0300
commitd8fe4f0e74cb27e79b2b500ca6eae9f9b02748b4 (patch)
treed09cf0bcb4e04f94a752ac5174a8ef169c0e669a /fs/f2fs
parente1c51b9f1df2f9efc2ec11488717e40cd12015f9 (diff)
downloadlinux-d8fe4f0e74cb27e79b2b500ca6eae9f9b02748b4.tar.xz
f2fs: write only the pages in range during defragment
@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>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 294e71576cec..5fac4f259965 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -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;