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authorDavid Sterba <dsterba@suse.com>2020-05-29 15:26:07 +0200
committerDavid Sterba <dsterba@suse.com>2020-07-27 12:55:22 +0200
commita8b3a89074f8677533cdb3843da121d697c1938c (patch)
treeb211cdd6cdff7c3af52f7e0ef739b69131375514 /tools/perf/scripts/python/bin
parentbtrfs: introduce "rescue=" mount option (diff)
downloadlinux-a8b3a89074f8677533cdb3843da121d697c1938c.tar.gz
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btrfs: scrub: remove kmap/kunmap of pages
All pages that scrub uses in the scrub_block::pagev array are allocated with GFP_KERNEL and never part of any mapping, so kmap is not necessary, we only need to know the page address. In scrub_write_page_to_dev_replace we don't even need to call flush_dcache_page because of the same reason as above. Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'tools/perf/scripts/python/bin')
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