diff options
| 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 | |
| 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')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/scrub.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index da6841efac26..c5e6180cdb8c 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -355,7 +355,7 @@ static void io_ctl_map_page(struct btrfs_io_ctl *io_ctl, int clear) io_ctl->orig = io_ctl->cur; io_ctl->size = PAGE_SIZE; if (clear) - memset(io_ctl->cur, 0, PAGE_SIZE); + clear_page(io_ctl->cur); } static void io_ctl_drop_pages(struct btrfs_io_ctl *io_ctl) 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); } |