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| author |  David Sterba <dsterba@suse.com>
| 2020-06-30 02:01:31 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com>
| 2020-12-08 15:53:59 +0100 |
| commit | 55fc29bed8ddb4c3848ecf8cf7133e34c946f223 (patch) | |
| tree | c7174086f876963be22ca15e63e05560378d4518 /fs/btrfs/scrub.c | |
| parent | btrfs: precalculate checksums per leaf once (diff) | |
| download | linux-55fc29bed8ddb4c3848ecf8cf7133e34c946f223.tar.gz linux-55fc29bed8ddb4c3848ecf8cf7133e34c946f223.tar.bz2 linux-55fc29bed8ddb4c3848ecf8cf7133e34c946f223.zip | |
btrfs: use cached value of fs_info::csum_size everywhere
btrfs_get_16 shows up in the system performance profiles (helper to read
16bit values from on-disk structures). This is partially because of the
checksum size that's frequently read along with data reads/writes, other
u16 uses are from item size or directory entries.
Replace all calls to btrfs_super_csum_size by the cached value from
fs_info.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
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 c307f25c4846..51222534618b 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -610,7 +610,7 @@ static noinline_for_stack struct scrub_ctx *scrub_setup_ctx( atomic_set(&sctx->bios_in_flight, 0); atomic_set(&sctx->workers_pending, 0); atomic_set(&sctx->cancel_req, 0); - sctx->csum_size = btrfs_super_csum_size(fs_info->super_copy); + sctx->csum_size = fs_info->csum_size; spin_lock_init(&sctx->list_lock); spin_lock_init(&sctx->stat_lock); |