diff options
Diffstat (limited to 'fs/dlm/debug_fs.c')
| -rw-r--r-- | fs/dlm/debug_fs.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index d5bd990bcab8..47e9d57e4cae 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -16,6 +16,7 @@ #include <linux/slab.h> #include "dlm_internal.h" +#include "midcomms.h" #include "lock.h" #define DLM_DEBUG_BUF_LEN 4096 @@ -23,6 +24,7 @@ static char debug_buf[DLM_DEBUG_BUF_LEN]; static struct mutex debug_buf_lock; static struct dentry *dlm_root; +static struct dentry *dlm_comms; static char *print_lockmode(int mode) { @@ -738,6 +740,57 @@ void dlm_delete_debug_file(struct dlm_ls *ls) debugfs_remove(ls->ls_debug_toss_dentry); } +static int dlm_state_show(struct seq_file *file, void *offset) +{ + seq_printf(file, "%s\n", dlm_midcomms_state(file->private)); + return 0; +} +DEFINE_SHOW_ATTRIBUTE(dlm_state); + +static int dlm_flags_show(struct seq_file *file, void *offset) +{ + seq_printf(file, "%lu\n", dlm_midcomms_flags(file->private)); + return 0; +} +DEFINE_SHOW_ATTRIBUTE(dlm_flags); + +static int dlm_send_queue_cnt_show(struct seq_file *file, void *offset) +{ + seq_printf(file, "%d\n", dlm_midcomms_send_queue_cnt(file->private)); + return 0; +} +DEFINE_SHOW_ATTRIBUTE(dlm_send_queue_cnt); + +static int dlm_version_show(struct seq_file *file, void *offset) +{ + seq_printf(file, "0x%08x\n", dlm_midcomms_version(file->private)); + return 0; +} +DEFINE_SHOW_ATTRIBUTE(dlm_version); + +void *dlm_create_debug_comms_file(int nodeid, void *data) +{ + struct dentry *d_node; + char name[256]; + + memset(name, 0, sizeof(name)); + snprintf(name, 256, "%d", nodeid); + + d_node = debugfs_create_dir(name, dlm_comms); + debugfs_create_file("state", 0444, d_node, data, &dlm_state_fops); + debugfs_create_file("flags", 0444, d_node, data, &dlm_flags_fops); + debugfs_create_file("send_queue_count", 0444, d_node, data, + &dlm_send_queue_cnt_fops); + debugfs_create_file("version", 0444, d_node, data, &dlm_version_fops); + + return d_node; +} + +void dlm_delete_debug_comms_file(void *ctx) +{ + debugfs_remove(ctx); +} + void dlm_create_debug_file(struct dlm_ls *ls) { char name[DLM_LOCKSPACE_LEN + 8]; @@ -797,6 +850,7 @@ void __init dlm_register_debugfs(void) { mutex_init(&debug_buf_lock); dlm_root = debugfs_create_dir("dlm", NULL); + dlm_comms = debugfs_create_dir("comms", dlm_root); } void dlm_unregister_debugfs(void) |