tree: https://github.com/ceph/ceph-client.git tls-tracing-only head: 6b738aa5f6bb2343f8277d318ff1e9ea9289212c commit: 6b738aa5f6bb2343f8277d318ff1e9ea9289212c [10/10] proper isolation config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508150401.905dissE-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508150401.905dissE-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202508150401.905dissE-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> fs/ceph/blog_debugfs.c:26: warning: Function parameter or struct member 's' not described in 'blog_entries_show' >> fs/ceph/blog_debugfs.c:26: warning: Function parameter or struct member 'p' not described in 'blog_entries_show' >> fs/ceph/blog_debugfs.c:100: warning: Function parameter or struct member 's' not described in 'blog_stats_show' >> fs/ceph/blog_debugfs.c:100: warning: Function parameter or struct member 'p' not described in 'blog_stats_show' >> fs/ceph/blog_debugfs.c:138: warning: Function parameter or struct member 's' not described in 'blog_sources_show' >> fs/ceph/blog_debugfs.c:138: warning: Function parameter or struct member 'p' not described in 'blog_sources_show' >> fs/ceph/blog_debugfs.c:189: warning: Function parameter or struct member 's' not described in 'blog_clients_show' >> fs/ceph/blog_debugfs.c:189: warning: Function parameter or struct member 'p' not described in 'blog_clients_show' >> fs/ceph/blog_debugfs.c:232: warning: Function parameter or struct member 'file' not described in 'blog_clear_write' >> fs/ceph/blog_debugfs.c:232: warning: Function parameter or struct member 'buf' not described in 'blog_clear_write' >> fs/ceph/blog_debugfs.c:232: warning: Function parameter or struct member 'count' not described in 'blog_clear_write' >> fs/ceph/blog_debugfs.c:232: warning: Function parameter or struct member 'ppos' not described in 'blog_clear_write' vim +26 fs/ceph/blog_debugfs.c 18 19 /** 20 * blog_entries_show - Show all BLOG entries for Ceph 21 * 22 * Iterates through all contexts and their pagefrags, deserializing entries 23 * using BLOG's deserialization with Ceph's client callback 24 */ 25 static int blog_entries_show(struct seq_file *s, void *p) > 26 { 27 struct blog_tls_ctx *ctx; 28 struct blog_log_iter iter; 29 struct blog_log_entry *entry; 30 char output_buf[1024]; 31 int ret; 32 int entry_count = 0; 33 int ctx_count = 0; 34 35 seq_printf(s, "Ceph BLOG Entries\n"); 36 seq_printf(s, "=================\n\n"); 37 38 /* Access the global logger - need to be careful here */ 39 spin_lock(&g_blog_logger.lock); 40 41 list_for_each_entry(ctx, &g_blog_logger.contexts, list) { 42 ctx_count++; 43 seq_printf(s, "Context %d (ID: %llu, PID: %d, Comm: %s)\n", 44 ctx_count, ctx->id, ctx->pid, ctx->comm); 45 seq_printf(s, " Base jiffies: %lu, Refcount: %d\n", 46 ctx->base_jiffies, atomic_read(&ctx->refcount)); 47 48 /* Initialize iterator for this context's pagefrag */ 49 blog_log_iter_init(&iter, &ctx->pf); 50 51 /* Iterate through all entries in this context */ 52 while ((entry = blog_log_iter_next(&iter)) != NULL) { 53 entry_count++; 54 55 /* Clear output buffer */ 56 memset(output_buf, 0, sizeof(output_buf)); 57 58 /* Use blog_des_entry with Ceph's client callback */ 59 ret = blog_des_entry(entry, output_buf, sizeof(output_buf), 60 ceph_blog_client_des_callback); 61 62 if (ret < 0) { 63 seq_printf(s, " Entry %d: [Error deserializing: %d]\n", 64 entry_count, ret); 65 } else { 66 /* Show entry details */ 67 seq_printf(s, " Entry %d (ts_delta=%u, src=%u, client=%u, len=%u):\n", 68 entry_count, entry->ts_delta, entry->source_id, 69 entry->client_id, entry->len); 70 seq_printf(s, " %s\n", output_buf); 71 } 72 } 73 seq_printf(s, "\n"); 74 } 75 76 spin_unlock(&g_blog_logger.lock); 77 78 seq_printf(s, "Total contexts: %d\n", ctx_count); 79 seq_printf(s, "Total entries: %d\n", entry_count); 80 81 return 0; 82 } 83 84 static int blog_entries_open(struct inode *inode, struct file *file) 85 { 86 return single_open(file, blog_entries_show, inode->i_private); 87 } 88 89 static const struct file_operations blog_entries_fops = { 90 .open = blog_entries_open, 91 .read = seq_read, 92 .llseek = seq_lseek, 93 .release = single_release, 94 }; 95 96 /** 97 * blog_stats_show - Show BLOG statistics 98 */ 99 static int blog_stats_show(struct seq_file *s, void *p) > 100 { 101 seq_printf(s, "Ceph BLOG Statistics\n"); 102 seq_printf(s, "====================\n\n"); 103 104 seq_printf(s, "Global Logger State:\n"); 105 seq_printf(s, " Total contexts allocated: %lu\n", 106 g_blog_logger.total_contexts_allocated); 107 seq_printf(s, " Next context ID: %llu\n", g_blog_logger.next_ctx_id); 108 seq_printf(s, " Next source ID: %u\n", 109 atomic_read(&g_blog_logger.next_source_id)); 110 111 seq_printf(s, "\nAllocation Batch:\n"); 112 seq_printf(s, " Full magazines: %u\n", g_blog_logger.alloc_batch.nr_full); 113 seq_printf(s, " Empty magazines: %u\n", g_blog_logger.alloc_batch.nr_empty); 114 115 seq_printf(s, "\nLog Batch:\n"); 116 seq_printf(s, " Full magazines: %u\n", g_blog_logger.log_batch.nr_full); 117 seq_printf(s, " Empty magazines: %u\n", g_blog_logger.log_batch.nr_empty); 118 119 return 0; 120 } 121 122 static int blog_stats_open(struct inode *inode, struct file *file) 123 { 124 return single_open(file, blog_stats_show, inode->i_private); 125 } 126 127 static const struct file_operations blog_stats_fops = { 128 .open = blog_stats_open, 129 .read = seq_read, 130 .llseek = seq_lseek, 131 .release = single_release, 132 }; 133 134 /** 135 * blog_sources_show - Show all registered source locations 136 */ 137 static int blog_sources_show(struct seq_file *s, void *p) > 138 { 139 struct blog_source_info *source; 140 u32 id; 141 int count = 0; 142 143 seq_printf(s, "Ceph BLOG Source Locations\n"); 144 seq_printf(s, "===========================\n\n"); 145 146 for (id = 1; id < BLOG_MAX_SOURCE_IDS; id++) { 147 source = blog_get_source_info(id); 148 if (!source || !source->file) 149 continue; 150 151 count++; 152 seq_printf(s, "ID %u: %s:%s:%u\n", id, 153 source->file, source->func, source->line); 154 seq_printf(s, " Format: %s\n", source->fmt ? source->fmt : "(null)"); 155 seq_printf(s, " Warnings: %d\n", source->warn_count); 156 157 #if BLOG_TRACK_USAGE 158 seq_printf(s, " NAPI usage: %d calls, %d bytes\n", 159 atomic_read(&source->napi_usage), 160 atomic_read(&source->napi_bytes)); 161 seq_printf(s, " Task usage: %d calls, %d bytes\n", 162 atomic_read(&source->task_usage), 163 atomic_read(&source->task_bytes)); 164 #endif 165 seq_printf(s, "\n"); 166 } 167 168 seq_printf(s, "Total registered sources: %d\n", count); 169 170 return 0; 171 } 172 173 static int blog_sources_open(struct inode *inode, struct file *file) 174 { 175 return single_open(file, blog_sources_show, inode->i_private); 176 } 177 178 static const struct file_operations blog_sources_fops = { 179 .open = blog_sources_open, 180 .read = seq_read, 181 .llseek = seq_lseek, 182 .release = single_release, 183 }; 184 185 /** 186 * blog_clients_show - Show all registered Ceph clients 187 */ 188 static int blog_clients_show(struct seq_file *s, void *p) > 189 { 190 u32 id; 191 int count = 0; 192 const struct ceph_blog_client_info *info; 193 194 seq_printf(s, "Ceph BLOG Registered Clients\n"); 195 seq_printf(s, "=============================\n\n"); 196 197 for (id = 1; id < CEPH_BLOG_MAX_CLIENTS; id++) { 198 info = ceph_blog_get_client_info(id); 199 if (!info || info->global_id == 0) 200 continue; 201 202 count++; 203 204 seq_printf(s, "Client ID %u:\n", id); 205 seq_printf(s, " FSID: %pU\n", info->fsid); 206 seq_printf(s, " Global ID: %llu\n", info->global_id); 207 seq_printf(s, "\n"); 208 } 209 210 seq_printf(s, "Total registered clients: %d\n", count); 211 212 return 0; 213 } 214 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
