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This patch handles freeing of lockspace resources asynchronously besides the release_lockspace() context. The release_lockspace() context is sometimes called in a time critical context, e.g. umount syscall. Most every user space init system will timeout if it takes too long. To reduce the potential waiting time we deregister in release_lockspace() the lockspace from the DLM subsystem and do the actual releasing of lockspace resource in a worker of a workqueue following recommendation of: https://lore.kernel.org/all/49925af7-78a8-a3dd-bce6-cfc02e1a9236@I-love.SAKURA.ne.jp/T/#u as flushing of system workqueues are not allowed. The most time to release the DLM resources are spent to release the data structures "ls->ls_lkbxa" and "ls->ls_rsbtbl" as they iterate over each entries and those data structures can contain millions of entries. This patch handles for now only freeing of those data structures as those operations are the most reason why release_lockspace() blocking of being returned. Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com> |
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| .. | ||
| ast.c | ||
| ast.h | ||
| config.c | ||
| config.h | ||
| debug_fs.c | ||
| dir.c | ||
| dir.h | ||
| dlm_internal.h | ||
| Kconfig | ||
| lock.c | ||
| lock.h | ||
| lockspace.c | ||
| lockspace.h | ||
| lowcomms.c | ||
| lowcomms.h | ||
| lvb_table.h | ||
| main.c | ||
| Makefile | ||
| member.c | ||
| member.h | ||
| memory.c | ||
| memory.h | ||
| midcomms.c | ||
| midcomms.h | ||
| plock.c | ||
| rcom.c | ||
| rcom.h | ||
| recover.c | ||
| recover.h | ||
| recoverd.c | ||
| recoverd.h | ||
| requestqueue.c | ||
| requestqueue.h | ||
| user.c | ||
| user.h | ||
| util.c | ||
| util.h | ||