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authorMiao Xie <miaox@cn.fujitsu.com>2014-09-12 12:44:00 +0200
committerChris Mason <clm@fb.com>2014-09-17 22:38:58 +0200
commitffdd2018dd0bbfc0d9855ed811dba67201766a2d (patch)
tree2a1784606d21d72d54abd3baa04f2c8a1131a4a1 /scripts/Makefile.modsign
parentBtrfs: split bio_readpage_error into several functions (diff)
downloadlinux-ffdd2018dd0bbfc0d9855ed811dba67201766a2d.tar.xz
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Btrfs: modify repair_io_failure and make it suit direct io
The original code of repair_io_failure was just used for buffered read, because it got some filesystem data from page structure, it is safe for the page in the page cache. But when we do a direct read, the pages in bio are not in the page cache, that is there is no filesystem data in the page structure. In order to implement direct read data repair, we need modify repair_io_failure and pass all filesystem data it need by function parameters. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
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