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(parent: 93be75f) | patch
md: rcu_read_lock() walk of mddev->disks in md_do_sync()
authorDan Williams <[email protected]>
Sun, 13 Dec 2009 04:17:06 +0000 (21:17 -0700)
committerNeilBrown <[email protected]>
Mon, 14 Dec 2009 01:57:43 +0000 (12:57 +1100)
commit4e59ca7da05f0d5d3ad40365c502c8b0fd24c7e3
treed5ddc749ec13db16c1ed7a054546c2ea482c0e1etree | snapshot
parent93be75ffde6dfd1ad17cc3ff1dbd135bd711baf4commit | diff
md: rcu_read_lock() walk of mddev->disks in md_do_sync()

Other walks of this list are either under rcu_read_lock() or the list
mutation lock (mddev_lock()).  This protects against the improbable case of a
disk being removed from the array at the start of md_do_sync().

Signed-off-by: Dan Williams <[email protected]>
drivers/md/md.c diff | blob | blame | history
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