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authorNeilBrown <neilb@suse.de>2006-10-03 01:15:53 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:04:18 -0700
commit26be34dc3a46be983352dd89683db374b0cb73fa (patch)
tree296ed9d019ac56d4a6ea0909f1cf11bdfd08a3e5 /drivers/md/multipath.c
parentc04be0aa82ff535e3676ab3e573957bdeef41879 (diff)
[PATCH] md: define backing_dev_info.congested_fn for raid0 and linear
Each backing_dev needs to be able to report whether it is congested, either by modulating BDI_*_congested in ->state, or by defining a ->congested_fn. md/raid did neither of these. This patch add a congested_fn which simply checks all component devices to see if they are congested. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/multipath.c')
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