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author | Niu Yawei <yawei.niu@intel.com> | 2016-10-27 18:11:53 -0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-30 11:00:12 -0400 |
commit | c2242d14234a3f68d6ee326d155c8771dc2c6aa8 (patch) | |
tree | 11228f56cdd93874248bc4e8034e2fb4752d1af9 /drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | |
parent | 115ee9d00cfe6b8a9cb0225a19ea8bcf12f7115a (diff) | |
download | op-kernel-dev-c2242d14234a3f68d6ee326d155c8771dc2c6aa8.zip op-kernel-dev-c2242d14234a3f68d6ee326d155c8771dc2c6aa8.tar.gz |
staging: lustre: ldlm: reclaim granted locks defensively
It was discovered that to many ldlm locks where being
created on the server side to the point of memory
exhaustion. The work of LU-6529 introduced watermarks
to avoid this memory exhaustion. This is the client
side part of this work for the upstream client.
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6529
Reviewed-on: http://review.whamcloud.com/14931
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6929
Reviewed-on: http://review.whamcloud.com/15813
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Bobi Jam <bobijam@hotmail.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm/ldlm_resource.c')
-rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c index 07cb955..c452400 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c @@ -855,8 +855,10 @@ int ldlm_namespace_cleanup(struct ldlm_namespace *ns, __u64 flags) return ELDLM_OK; } - cfs_hash_for_each_nolock(ns->ns_rs_hash, ldlm_resource_clean, &flags); - cfs_hash_for_each_nolock(ns->ns_rs_hash, ldlm_resource_complain, NULL); + cfs_hash_for_each_nolock(ns->ns_rs_hash, ldlm_resource_clean, + &flags, 0); + cfs_hash_for_each_nolock(ns->ns_rs_hash, ldlm_resource_complain, + NULL, 0); return ELDLM_OK; } EXPORT_SYMBOL(ldlm_namespace_cleanup); @@ -1352,7 +1354,7 @@ void ldlm_namespace_dump(int level, struct ldlm_namespace *ns) cfs_hash_for_each_nolock(ns->ns_rs_hash, ldlm_res_hash_dump, - (void *)(unsigned long)level); + (void *)(unsigned long)level, 0); spin_lock(&ns->ns_lock); ns->ns_next_dump = cfs_time_shift(10); spin_unlock(&ns->ns_lock); |