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authorJeff Mahoney <jeffm@suse.com>2006-06-26 00:27:22 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 09:58:34 -0700
commitf32c10b09940cffc3620ce111315ec44343fd3ca (patch)
treee5f1ee2febebd9c3b2426973a054ae16b5a80640 /Makefile
parent62f75c2f3244553b1290447abd1f1e6b1144d3e9 (diff)
[PATCH] dm: change minor_lock to spinlock
While removing a device, another another thread might attempt to resurrect it. This patch replaces the _minor_lock mutex with a spinlock and uses atomic_dec_and_lock() to serialize reference counting in dm_put(). [akpm: too late for 2.6.17 - suitable for 2.6.17.x after it has settled] Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Makefile')
0 files changed, 0 insertions, 0 deletions