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authorChristoph Hellwig <hch@lst.de>2019-02-15 14:13:07 +0300
committerJens Axboe <axboe@kernel.dk>2019-02-15 18:40:10 +0300
commit8a2ee44a371c8cbef587ea609908c3cbf1645231 (patch)
treec9ecfab2ea5857d120f4768fe8b110203cab9ef9 /include/linux/freezer.h
parentfbd72127c975dc8e532ecc73d52f3b1b00935bec (diff)
downloadlinux-8a2ee44a371c8cbef587ea609908c3cbf1645231.tar.xz
btrfs: look at bi_size for repair decisions
bio_readpage_error currently uses bi_vcnt to decide if it is worth retrying an I/O. But the vector count is mostly an implementation artifact - it really should figure out if there is more than a single sector worth retrying. Use bi_size for that and shift by PAGE_SHIFT. This really should be blocks/sectors, but given that btrfs doesn't support a sector size different from the PAGE_SIZE using the page size keeps the changes to a minimum. Reviewed-by: Omar Sandoval <osandov@fb.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/freezer.h')
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