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(parent: 6c031f4) | patch
dm crypt: fix async inc_pending
authorMilan Broz <mbroz@redhat.com>
Fri, 10 Oct 2008 12:37:07 +0000 (13:37 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 10 Oct 2008 12:37:07 +0000 (13:37 +0100)
commit4e59409891c9cc30cb4d5d73250b0c968af8e39b
treec21382942df3b7dd363bca91fe5cd8fef3c64f0btree | snapshot
parent6c031f41db15b6cb0cd33545cec28ca706cd3c7ecommit | diff
dm crypt: fix async inc_pending

The pending reference count must be incremented *before* the async work is
queued to another thread, not after.  Otherwise there's a race if the
work completes and decrements the reference count before it gets incremented.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-crypt.c diff | blob | history
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