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| author | NeilBrown <neilb@suse.de> | 2013-06-11 07:08:03 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2013-06-14 00:10:27 +0200 |
| commit | 725d6e579f06360744fc101b1af2f82d8aa282f1 (patch) | |
| tree | c46f6b92ac05727d1201f6f63276dfeb6ddd4096 /drivers/md/raid0.c | |
| parent | md/raid10: locking changes for 'enough()'. (diff) | |
| download | linux-725d6e579f06360744fc101b1af2f82d8aa282f1.tar.xz linux-725d6e579f06360744fc101b1af2f82d8aa282f1.zip | |
md/raid10: check In_sync flag in 'enough()'.
It isn't really enough to check that the rdev is present, we need to
also be sure that the device is still In_sync.
Doing this requires using rcu_dereference to access the rdev, and
holding the rcu_read_lock() to ensure the rdev doesn't disappear while
we look at it.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid0.c')
0 files changed, 0 insertions, 0 deletions