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| /openbmc/linux/fs/ocfs2/dlm/ |
| H A D | dlmrecovery.c | 9a7e6b5a Thu Oct 09 17:25:00 CDT 2014 alex chen <alex.chen@huawei.com> ocfs2/dlm: call dlm_lockres_put without resource spinlock
dlm_lockres_put() should be called without &res->spinlock, otherwise a
deadlock case may happen.
spin_lock(&res->spinlock)
...
dlm_lockres_put
->dlm_lockres_release
->dlm_print_one_lock_resource
->spin_lock(&res->spinlock)
Signed-off-by: Alex Chen <alex.chen@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9a7e6b5a Thu Oct 09 17:25:00 CDT 2014 alex chen <alex.chen@huawei.com> ocfs2/dlm: call dlm_lockres_put without resource spinlock
dlm_lockres_put() should be called without &res->spinlock, otherwise a
deadlock case may happen.
spin_lock(&res->spinlock)
...
dlm_lockres_put
->dlm_lockres_release
->dlm_print_one_lock_resource
->spin_lock(&res->spinlock)
Signed-off-by: Alex Chen <alex.chen@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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