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f2fs: avoid unnecessary updating inode during fsync

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If roll-forward recovery can recover i_size, we don't need to update inode's
metadata during fsync.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-05-20 20:42:37 -07:00
parent ee6d182f2a
commit 26de9b1171
7 changed files with 43 additions and 6 deletions
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3
fs/f2fs/data.c
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@@ -1204,6 +1204,7 @@ static int f2fs_write_data_page(struct page *page,
loff_t i_size = i_size_read(inode);
const pgoff_t end_index = ((unsigned long long) i_size)
>> PAGE_SHIFT;
loff_t psize = (page->index + 1) << PAGE_SHIFT;
unsigned offset = 0;
bool need_balance_fs = false;
int err = 0;
@@ -1265,6 +1266,8 @@ write:
err = f2fs_write_inline_data(inode, page);
if (err == -EAGAIN)
err = do_write_data_page(&fio);
if (F2FS_I(inode)->last_disk_size < psize)
F2FS_I(inode)->last_disk_size = psize;
f2fs_unlock_op(sbi);
done:
if (err && err != -ENOENT)