dm io: prepare for new interface

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Introduce struct dm_io_client to prepare for per-client mempools and bio_sets.

Temporary functions bios() and io_pool() choose between the per-client
structures and the global ones so the old and new interfaces can co-exist.

Make error_bits optional.

Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: Milan Broz <mbroz@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Heinz Mauelshagen 2007-05-09 02:33:00 -07:00 • committed by Linus Torvalds

parent c897feb3dc

commit 891ce20701

1 changed files with 44 additions and 17 deletions

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drivers/md/dm-io.c

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