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(parent: b62b759) | patch
md: use sysfs_notify_dirent to notify changes to md/dev-xxx/state
authorNeilBrown <neilb@suse.de>
Tue, 21 Oct 2008 02:25:28 +0000 (13:25 +1100)
committerNeilBrown <neilb@suse.de>
Tue, 21 Oct 2008 02:25:28 +0000 (13:25 +1100)
commit3c0ee63a64a20351ed6c16ec797e1f8c850741ea
tree482b825a00356a2b7b605065ce1d6ebe87591eb5tree | snapshot
parentb62b75905d571c29262a6c38cf9e5f089c203871commit | diff
md: use sysfs_notify_dirent to notify changes to md/dev-xxx/state

The 'state' file for a device reports, for example, when the device
has failed.  Changes should be reported to userspace ASAP without
the possibility of blocking on low-memory.  sysfs_notify does
have that possibility (as it takes a mutex which can be held
across a kmalloc) so use sysfs_notify_dirent instead.

Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/md.c diff | blob | history
include/linux/raid/md_k.h diff | blob | history
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