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authorKent Overstreet <koverstreet@google.com>2013-02-07 00:23:11 +0400
committerKent Overstreet <koverstreet@google.com>2013-03-24 01:26:28 +0400
commitd74c6d514fe314b8bdab58b487b25992291577ec (patch)
tree2e04cd492235dc7982bae1ba7ef83f276800c319 /fs/direct-io.c
parent6bc454d150047fcfbf53346412e64cdf3bf61a79 (diff)
downloadlinux-d74c6d514fe314b8bdab58b487b25992291577ec.tar.xz
block: Add bio_for_each_segment_all()
__bio_for_each_segment() iterates bvecs from the specified index instead of bio->bv_idx. Currently, the only usage is to walk all the bvecs after the bio has been advanced by specifying 0 index. For immutable bvecs, we need to split these apart; bio_for_each_segment() is going to have a different implementation. This will also help document the intent of code that's using it - bio_for_each_segment_all() is only legal to use for code that owns the bio. Signed-off-by: Kent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Neil Brown <neilb@suse.de> CC: Boaz Harrosh <bharrosh@panasas.com>
Diffstat (limited to 'fs/direct-io.c')
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