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| author | David Sterba <dsterba@suse.com> | 2017-03-29 20:48:44 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-04-18 14:07:26 +0200 |
| commit | 619a974292387343c817f5a36e9df6daeb3ccc60 (patch) | |
| tree | 84054ab9ab18ebbbca66634fd07976b0f7f6f782 /fs/btrfs/scrub.c | |
| parent | e501bfe323356ea3f7ef79d4b0d95389b70a7193 (diff) | |
| download | lwn-619a974292387343c817f5a36e9df6daeb3ccc60.tar.gz lwn-619a974292387343c817f5a36e9df6daeb3ccc60.zip | |
btrfs: use clear_page where appropriate
There's a helper to clear whole page, with a arch-specific optimized
code. The replaced cases do not seem to be in performace critical code,
but we still might get some percent gain.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/scrub.c')
| -rw-r--r-- | fs/btrfs/scrub.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index c4d1e60e831e..48dd6f170c36 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1643,7 +1643,7 @@ static int scrub_write_page_to_dev_replace(struct scrub_block *sblock, if (spage->io_error) { void *mapped_buffer = kmap_atomic(spage->page); - memset(mapped_buffer, 0, PAGE_SIZE); + clear_page(mapped_buffer); flush_dcache_page(spage->page); kunmap_atomic(mapped_buffer); } |