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authorTejun Heo <htejun@gmail.com>2006-02-08 01:01:31 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-08 07:52:58 -0800
commit30e9656cc340035e102fea46e1908689494b042d (patch)
tree5fc623ccad5a1f5b09ebc4b7e8d7c6bec8e485ac /mm/slob.c
parente5ea0a9fca5612808839dd4bcc41c46fc02451f9 (diff)
downloadlinux-30e9656cc340035e102fea46e1908689494b042d.tar.bz2
[PATCH] block: implement elv_insert and use it (fix ordcolor flipping bug)
q->ordcolor must only be flipped on initial queueing of a hardbarrier request. Constructing ordered sequence and requeueing used to pass through __elv_add_request() which flips q->ordcolor when it sees a barrier request. This patch separates out elv_insert() from __elv_add_request() and uses elv_insert() when constructing ordered sequence and requeueing. elv_insert() inserts the given request at the specified position and does nothing else. Signed-off-by: Tejun Heo <htejun@gmail.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/slob.c')
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