diff options
Diffstat (limited to 'fs/f2fs/debug.c')
-rw-r--r-- | fs/f2fs/debug.c | 82 |
1 files changed, 47 insertions, 35 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index a84b0a8e6854..0a91ab813a9e 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -24,7 +24,7 @@ #include "gc.h" static LIST_HEAD(f2fs_stat_list); -static struct dentry *debugfs_root; +static struct dentry *f2fs_debugfs_root; static DEFINE_MUTEX(f2fs_stat_mutex); static void update_general_status(struct f2fs_sb_info *sbi) @@ -32,7 +32,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) struct f2fs_stat_info *si = F2FS_STAT(sbi); int i; - /* valid check of the segment numbers */ + /* validation check of the segment numbers */ si->hit_ext = sbi->read_hit_ext; si->total_ext = sbi->total_hit_ext; si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES); @@ -45,14 +45,15 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->valid_count = valid_user_blocks(sbi); si->valid_node_count = valid_node_count(sbi); si->valid_inode_count = valid_inode_count(sbi); + si->inline_inode = sbi->inline_inode; si->utilization = utilization(sbi); si->free_segs = free_segments(sbi); si->free_secs = free_sections(sbi); si->prefree_count = prefree_segments(sbi); si->dirty_count = dirty_segments(sbi); - si->node_pages = sbi->node_inode->i_mapping->nrpages; - si->meta_pages = sbi->meta_inode->i_mapping->nrpages; + si->node_pages = NODE_MAPPING(sbi)->nrpages; + si->meta_pages = META_MAPPING(sbi)->nrpages; si->nats = NM_I(sbi)->nat_cnt; si->sits = SIT_I(sbi)->dirty_sentries; si->fnids = NM_I(sbi)->fcnt; @@ -85,7 +86,6 @@ static void update_sit_info(struct f2fs_sb_info *sbi) { struct f2fs_stat_info *si = F2FS_STAT(sbi); unsigned int blks_per_sec, hblks_per_sec, total_vblocks, bimodal, dist; - struct sit_info *sit_i = SIT_I(sbi); unsigned int segno, vblocks; int ndirty = 0; @@ -93,8 +93,7 @@ static void update_sit_info(struct f2fs_sb_info *sbi) total_vblocks = 0; blks_per_sec = sbi->segs_per_sec * (1 << sbi->log_blocks_per_seg); hblks_per_sec = blks_per_sec / 2; - mutex_lock(&sit_i->sentry_lock); - for (segno = 0; segno < TOTAL_SEGS(sbi); segno += sbi->segs_per_sec) { + for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) { vblocks = get_valid_blocks(sbi, segno, sbi->segs_per_sec); dist = abs(vblocks - hblks_per_sec); bimodal += dist * dist; @@ -104,8 +103,7 @@ static void update_sit_info(struct f2fs_sb_info *sbi) ndirty++; } } - mutex_unlock(&sit_i->sentry_lock); - dist = TOTAL_SECS(sbi) * hblks_per_sec * hblks_per_sec / 100; + dist = MAIN_SECS(sbi) * hblks_per_sec * hblks_per_sec / 100; si->bimodal = bimodal / dist; if (si->dirty_count) si->avg_vblocks = total_vblocks / ndirty; @@ -133,17 +131,17 @@ static void update_mem_info(struct f2fs_sb_info *sbi) /* build sit */ si->base_mem += sizeof(struct sit_info); - si->base_mem += TOTAL_SEGS(sbi) * sizeof(struct seg_entry); - si->base_mem += f2fs_bitmap_size(TOTAL_SEGS(sbi)); - si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * TOTAL_SEGS(sbi); + si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry); + si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); + si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); if (sbi->segs_per_sec > 1) - si->base_mem += TOTAL_SECS(sbi) * sizeof(struct sec_entry); + si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry); si->base_mem += __bitmap_size(sbi, SIT_BITMAP); /* build free segmap */ si->base_mem += sizeof(struct free_segmap_info); - si->base_mem += f2fs_bitmap_size(TOTAL_SEGS(sbi)); - si->base_mem += f2fs_bitmap_size(TOTAL_SECS(sbi)); + si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); + si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); /* build curseg */ si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE; @@ -151,10 +149,10 @@ static void update_mem_info(struct f2fs_sb_info *sbi) /* build dirty segmap */ si->base_mem += sizeof(struct dirty_seglist_info); - si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(TOTAL_SEGS(sbi)); - si->base_mem += f2fs_bitmap_size(TOTAL_SECS(sbi)); + si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(MAIN_SEGS(sbi)); + si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); - /* buld nm */ + /* build nm */ si->base_mem += sizeof(struct f2fs_nm_info); si->base_mem += __bitmap_size(sbi, NAT_BITMAP); @@ -165,11 +163,11 @@ get_cache: /* free nids */ si->cache_mem = NM_I(sbi)->fcnt; si->cache_mem += NM_I(sbi)->nat_cnt; - npages = sbi->node_inode->i_mapping->nrpages; + npages = NODE_MAPPING(sbi)->nrpages; si->cache_mem += npages << PAGE_CACHE_SHIFT; - npages = sbi->meta_inode->i_mapping->nrpages; + npages = META_MAPPING(sbi)->nrpages; si->cache_mem += npages << PAGE_CACHE_SHIFT; - si->cache_mem += sbi->n_orphans * sizeof(struct orphan_inode_entry); + si->cache_mem += sbi->n_orphans * sizeof(struct ino_entry); si->cache_mem += sbi->n_dirty_dirs * sizeof(struct dir_inode_entry); } @@ -200,6 +198,8 @@ static int stat_show(struct seq_file *s, void *v) seq_printf(s, "Other: %u)\n - Data: %u\n", si->valid_node_count - si->valid_inode_count, si->valid_count - si->valid_node_count); + seq_printf(s, " - Inline_data Inode: %u\n", + si->inline_inode); seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n", si->main_area_segs, si->main_area_sections, si->main_area_zones); @@ -233,6 +233,7 @@ static int stat_show(struct seq_file *s, void *v) si->dirty_count); seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n", si->prefree_count, si->free_segs, si->free_secs); + seq_printf(s, "CP calls: %d\n", si->cp_count); seq_printf(s, "GC calls: %d (BG: %d)\n", si->call_count, si->bg_gc); seq_printf(s, " - data segments : %d\n", si->data_segs); @@ -242,17 +243,17 @@ static int stat_show(struct seq_file *s, void *v) seq_printf(s, " - node blocks : %d\n", si->node_blks); seq_printf(s, "\nExtent Hit Ratio: %d / %d\n", si->hit_ext, si->total_ext); - seq_printf(s, "\nBalancing F2FS Async:\n"); - seq_printf(s, " - nodes %4d in %4d\n", + seq_puts(s, "\nBalancing F2FS Async:\n"); + seq_printf(s, " - nodes: %4d in %4d\n", si->ndirty_node, si->node_pages); - seq_printf(s, " - dents %4d in dirs:%4d\n", + seq_printf(s, " - dents: %4d in dirs:%4d\n", si->ndirty_dent, si->ndirty_dirs); - seq_printf(s, " - meta %4d in %4d\n", + seq_printf(s, " - meta: %4d in %4d\n", si->ndirty_meta, si->meta_pages); - seq_printf(s, " - NATs %5d > %lu\n", - si->nats, NM_WOUT_THRESHOLD); - seq_printf(s, " - SITs: %5d\n - free_nids: %5d\n", - si->sits, si->fnids); + seq_printf(s, " - NATs: %9d\n - SITs: %9d\n", + si->nats, si->sits); + seq_printf(s, " - free_nids: %9d\n", + si->fnids); seq_puts(s, "\nDistribution of User Blocks:"); seq_puts(s, " [ valid | invalid | free ]\n"); seq_puts(s, " ["); @@ -340,14 +341,25 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi) void __init f2fs_create_root_stats(void) { - debugfs_root = debugfs_create_dir("f2fs", NULL); - if (debugfs_root) - debugfs_create_file("status", S_IRUGO, debugfs_root, - NULL, &stat_fops); + struct dentry *file; + + f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL); + if (!f2fs_debugfs_root) + return; + + file = debugfs_create_file("status", S_IRUGO, f2fs_debugfs_root, + NULL, &stat_fops); + if (!file) { + debugfs_remove(f2fs_debugfs_root); + f2fs_debugfs_root = NULL; + } } void f2fs_destroy_root_stats(void) { - debugfs_remove_recursive(debugfs_root); - debugfs_root = NULL; + if (!f2fs_debugfs_root) + return; + + debugfs_remove_recursive(f2fs_debugfs_root); + f2fs_debugfs_root = NULL; } |