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| author |   Sunil Mushran <sunil.mushran@oracle.com> | 2008-03-10 15:16:22 -0700 |
|---|---|---|
| committer |   Mark Fasheh <mfasheh@suse.com> | 2008-04-18 08:56:08 -0700 |
| commit | 6325b4a22b8f5e40ea9353288b3d6a32181f9718 (patch) | |
| tree | 3a76692cc5c1c7dfa9d7341ea8b07cb7eb4dadd0 /fs/ocfs2/dlm/dlmdomain.c | |
| parent | ocfs2/dlm: Link all lockres' to a tracking list (diff) | |
| download | linux-dev-6325b4a22b8f5e40ea9353288b3d6a32181f9718.tar.xz linux-dev-6325b4a22b8f5e40ea9353288b3d6a32181f9718.zip | |
ocfs2/dlm: Create debugfs dirs
This patch creates the debugfs directories that will hold the
files to be used to dump the dlm state.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/ocfs2/dlm/dlmdomain.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 4f7695c851ed..c137d693cef3 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -33,6 +33,7 @@ #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/err.h> +#include <linux/debugfs.h> #include "cluster/heartbeat.h" #include "cluster/nodemanager.h" @@ -40,8 +41,8 @@ #include "dlmapi.h" #include "dlmcommon.h" - #include "dlmdomain.h" +#include "dlmdebug.h" #include "dlmver.h" @@ -298,6 +299,8 @@ static int dlm_wait_on_domain_helper(const char *domain) static void dlm_free_ctxt_mem(struct dlm_ctxt *dlm) { + dlm_destroy_debugfs_subroot(dlm); + if (dlm->lockres_hash) dlm_free_pagevec((void **)dlm->lockres_hash, DLM_HASH_PAGES); @@ -1494,6 +1497,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain, u32 key) { int i; + int ret; struct dlm_ctxt *dlm = NULL; dlm = kzalloc(sizeof(*dlm), GFP_KERNEL); @@ -1526,6 +1530,15 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain, dlm->key = key; dlm->node_num = o2nm_this_node(); + ret = dlm_create_debugfs_subroot(dlm); + if (ret < 0) { + dlm_free_pagevec((void **)dlm->lockres_hash, DLM_HASH_PAGES); + kfree(dlm->name); + kfree(dlm); + dlm = NULL; + goto leave; + } + spin_lock_init(&dlm->spinlock); spin_lock_init(&dlm->master_lock); spin_lock_init(&dlm->ast_lock); @@ -1851,8 +1864,13 @@ static int __init dlm_init(void) goto error; } + status = dlm_create_debugfs_root(); + if (status) + goto error; + return 0; error: + dlm_unregister_net_handlers(); dlm_destroy_lock_cache(); dlm_destroy_master_caches(); dlm_destroy_mle_cache(); @@ -1861,6 +1879,7 @@ error: static void __exit dlm_exit (void) { + dlm_destroy_debugfs_root(); dlm_unregister_net_handlers(); dlm_destroy_lock_cache(); dlm_destroy_master_caches(); |