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authorshaohua.li@intel.com <shaohua.li@intel.com>2011-05-06 11:34:32 -0600
committerJens Axboe <jaxboe@fusionio.com>2011-05-06 11:36:25 -0600
commitf3876930952390a31c3a7fd68dd621464a36eb80 (patch)
tree7fe2306a8dc2022ac7724b2d47629e38e3fb354b /block/blk-flush.c
parent490b94be0282c3b67f56453628ff0aaae827a670 (diff)
downloadop-kernel-dev-f3876930952390a31c3a7fd68dd621464a36eb80.zip
op-kernel-dev-f3876930952390a31c3a7fd68dd621464a36eb80.tar.gz
block: add a non-queueable flush flag
flush request isn't queueable in some drives. Add a flag to let driver notify block layer about this. We can optimize flush performance with the knowledge. Stable: 2.6.39 only Cc: stable@kernel.org Signed-off-by: Shaohua Li <shaohua.li@intel.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk-flush.c')
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