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| author | Christoph Hellwig <hch@lst.de> | 2019-02-15 14:13:07 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-02-15 18:40:10 +0300 |
| commit | 8a2ee44a371c8cbef587ea609908c3cbf1645231 (patch) | |
| tree | c9ecfab2ea5857d120f4768fe8b110203cab9ef9 /include/linux/crush/mapper.h | |
| parent | fbd72127c975dc8e532ecc73d52f3b1b00935bec (diff) | |
| download | linux-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/crush/mapper.h')
0 files changed, 0 insertions, 0 deletions