11da177e4SLinus Torvalds /* -*- linux-c -*- */ 21da177e4SLinus Torvalds 31da177e4SLinus Torvalds /* fs/reiserfs/procfs.c */ 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds /* 61da177e4SLinus Torvalds * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds /* proc info support a la one created by Sizif@Botik.RU for PGC */ 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds /* $Id: procfs.c,v 1.1.8.2 2001/07/15 17:08:42 god Exp $ */ 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds #include <linux/module.h> 141da177e4SLinus Torvalds #include <linux/time.h> 151da177e4SLinus Torvalds #include <linux/seq_file.h> 161da177e4SLinus Torvalds #include <asm/uaccess.h> 171da177e4SLinus Torvalds #include <linux/reiserfs_fs.h> 181da177e4SLinus Torvalds #include <linux/reiserfs_fs_sb.h> 191da177e4SLinus Torvalds #include <linux/smp_lock.h> 201da177e4SLinus Torvalds #include <linux/init.h> 211da177e4SLinus Torvalds #include <linux/proc_fs.h> 221da177e4SLinus Torvalds 23f87367a6SRobert P. J. Day #ifdef CONFIG_REISERFS_PROC_INFO 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds /* 261da177e4SLinus Torvalds * LOCKING: 271da177e4SLinus Torvalds * 281da177e4SLinus Torvalds * We rely on new Alexander Viro's super-block locking. 291da177e4SLinus Torvalds * 301da177e4SLinus Torvalds */ 311da177e4SLinus Torvalds 321da177e4SLinus Torvalds static int show_version(struct seq_file *m, struct super_block *sb) 331da177e4SLinus Torvalds { 341da177e4SLinus Torvalds char *format; 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) { 371da177e4SLinus Torvalds format = "3.6"; 381da177e4SLinus Torvalds } else if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_5)) { 391da177e4SLinus Torvalds format = "3.5"; 401da177e4SLinus Torvalds } else { 411da177e4SLinus Torvalds format = "unknown"; 421da177e4SLinus Torvalds } 431da177e4SLinus Torvalds 44bd4c625cSLinus Torvalds seq_printf(m, "%s format\twith checks %s\n", format, 451da177e4SLinus Torvalds #if defined( CONFIG_REISERFS_CHECK ) 461da177e4SLinus Torvalds "on" 471da177e4SLinus Torvalds #else 481da177e4SLinus Torvalds "off" 491da177e4SLinus Torvalds #endif 501da177e4SLinus Torvalds ); 511da177e4SLinus Torvalds return 0; 521da177e4SLinus Torvalds } 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds int reiserfs_global_version_in_proc(char *buffer, char **start, off_t offset, 551da177e4SLinus Torvalds int count, int *eof, void *data) 561da177e4SLinus Torvalds { 571da177e4SLinus Torvalds *start = buffer; 581da177e4SLinus Torvalds *eof = 1; 591da177e4SLinus Torvalds return 0; 601da177e4SLinus Torvalds } 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds #define SF( x ) ( r -> x ) 631da177e4SLinus Torvalds #define SFP( x ) SF( s_proc_info_data.x ) 641da177e4SLinus Torvalds #define SFPL( x ) SFP( x[ level ] ) 651da177e4SLinus Torvalds #define SFPF( x ) SFP( scan_bitmap.x ) 661da177e4SLinus Torvalds #define SFPJ( x ) SFP( journal.x ) 671da177e4SLinus Torvalds 681da177e4SLinus Torvalds #define D2C( x ) le16_to_cpu( x ) 691da177e4SLinus Torvalds #define D4C( x ) le32_to_cpu( x ) 701da177e4SLinus Torvalds #define DF( x ) D2C( rs -> s_v1.x ) 711da177e4SLinus Torvalds #define DFL( x ) D4C( rs -> s_v1.x ) 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds #define objectid_map( s, rs ) (old_format_only (s) ? \ 743e8962beSAl Viro (__le32 *)((struct reiserfs_super_block_v1 *)rs + 1) : \ 753e8962beSAl Viro (__le32 *)(rs + 1)) 761da177e4SLinus Torvalds #define MAP( i ) D4C( objectid_map( sb, rs )[ i ] ) 771da177e4SLinus Torvalds 781da177e4SLinus Torvalds #define DJF( x ) le32_to_cpu( rs -> x ) 791da177e4SLinus Torvalds #define DJV( x ) le32_to_cpu( s_v1 -> x ) 801da177e4SLinus Torvalds #define DJP( x ) le32_to_cpu( jp -> x ) 811da177e4SLinus Torvalds #define JF( x ) ( r -> s_journal -> x ) 821da177e4SLinus Torvalds 831da177e4SLinus Torvalds static int show_super(struct seq_file *m, struct super_block *sb) 841da177e4SLinus Torvalds { 851da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds seq_printf(m, "state: \t%s\n" 881da177e4SLinus Torvalds "mount options: \t%s%s%s%s%s%s%s%s%s%s%s\n" 891da177e4SLinus Torvalds "gen. counter: \t%i\n" 901da177e4SLinus Torvalds "s_disk_reads: \t%i\n" 911da177e4SLinus Torvalds "s_disk_writes: \t%i\n" 921da177e4SLinus Torvalds "s_fix_nodes: \t%i\n" 931da177e4SLinus Torvalds "s_do_balance: \t%i\n" 941da177e4SLinus Torvalds "s_unneeded_left_neighbor: \t%i\n" 951da177e4SLinus Torvalds "s_good_search_by_key_reada: \t%i\n" 961da177e4SLinus Torvalds "s_bmaps: \t%i\n" 971da177e4SLinus Torvalds "s_bmaps_without_search: \t%i\n" 981da177e4SLinus Torvalds "s_direct2indirect: \t%i\n" 991da177e4SLinus Torvalds "s_indirect2direct: \t%i\n" 1001da177e4SLinus Torvalds "\n" 1011da177e4SLinus Torvalds "max_hash_collisions: \t%i\n" 1021da177e4SLinus Torvalds "breads: \t%lu\n" 1031da177e4SLinus Torvalds "bread_misses: \t%lu\n" 1041da177e4SLinus Torvalds "search_by_key: \t%lu\n" 1051da177e4SLinus Torvalds "search_by_key_fs_changed: \t%lu\n" 1061da177e4SLinus Torvalds "search_by_key_restarted: \t%lu\n" 1071da177e4SLinus Torvalds "insert_item_restarted: \t%lu\n" 1081da177e4SLinus Torvalds "paste_into_item_restarted: \t%lu\n" 1091da177e4SLinus Torvalds "cut_from_item_restarted: \t%lu\n" 1101da177e4SLinus Torvalds "delete_solid_item_restarted: \t%lu\n" 1111da177e4SLinus Torvalds "delete_item_restarted: \t%lu\n" 1121da177e4SLinus Torvalds "leaked_oid: \t%lu\n" 1131da177e4SLinus Torvalds "leaves_removable: \t%lu\n", 1141da177e4SLinus Torvalds SF(s_mount_state) == REISERFS_VALID_FS ? 1151da177e4SLinus Torvalds "REISERFS_VALID_FS" : "REISERFS_ERROR_FS", 1161da177e4SLinus Torvalds reiserfs_r5_hash(sb) ? "FORCE_R5 " : "", 1171da177e4SLinus Torvalds reiserfs_rupasov_hash(sb) ? "FORCE_RUPASOV " : "", 1181da177e4SLinus Torvalds reiserfs_tea_hash(sb) ? "FORCE_TEA " : "", 1191da177e4SLinus Torvalds reiserfs_hash_detect(sb) ? "DETECT_HASH " : "", 1201da177e4SLinus Torvalds reiserfs_no_border(sb) ? "NO_BORDER " : "BORDER ", 121bd4c625cSLinus Torvalds reiserfs_no_unhashed_relocation(sb) ? 122bd4c625cSLinus Torvalds "NO_UNHASHED_RELOCATION " : "", 1231da177e4SLinus Torvalds reiserfs_hashed_relocation(sb) ? "UNHASHED_RELOCATION " : "", 1241da177e4SLinus Torvalds reiserfs_test4(sb) ? "TEST4 " : "", 125bd4c625cSLinus Torvalds have_large_tails(sb) ? "TAILS " : have_small_tails(sb) ? 126bd4c625cSLinus Torvalds "SMALL_TAILS " : "NO_TAILS ", 1271da177e4SLinus Torvalds replay_only(sb) ? "REPLAY_ONLY " : "", 1281da177e4SLinus Torvalds convert_reiserfs(sb) ? "CONV " : "", 129d739b42bSPekka Enberg atomic_read(&r->s_generation_counter), 130bd4c625cSLinus Torvalds SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes), 131bd4c625cSLinus Torvalds SF(s_do_balance), SF(s_unneeded_left_neighbor), 132bd4c625cSLinus Torvalds SF(s_good_search_by_key_reada), SF(s_bmaps), 133bd4c625cSLinus Torvalds SF(s_bmaps_without_search), SF(s_direct2indirect), 134bd4c625cSLinus Torvalds SF(s_indirect2direct), SFP(max_hash_collisions), SFP(breads), 135bd4c625cSLinus Torvalds SFP(bread_miss), SFP(search_by_key), 136bd4c625cSLinus Torvalds SFP(search_by_key_fs_changed), SFP(search_by_key_restarted), 137bd4c625cSLinus Torvalds SFP(insert_item_restarted), SFP(paste_into_item_restarted), 1381da177e4SLinus Torvalds SFP(cut_from_item_restarted), 139bd4c625cSLinus Torvalds SFP(delete_solid_item_restarted), SFP(delete_item_restarted), 140bd4c625cSLinus Torvalds SFP(leaked_oid), SFP(leaves_removable)); 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvalds return 0; 1431da177e4SLinus Torvalds } 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds static int show_per_level(struct seq_file *m, struct super_block *sb) 1461da177e4SLinus Torvalds { 1471da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 1481da177e4SLinus Torvalds int level; 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds seq_printf(m, "level\t" 1511da177e4SLinus Torvalds " balances" 1521da177e4SLinus Torvalds " [sbk: reads" 1531da177e4SLinus Torvalds " fs_changed" 1541da177e4SLinus Torvalds " restarted]" 1551da177e4SLinus Torvalds " free space" 1561da177e4SLinus Torvalds " items" 1571da177e4SLinus Torvalds " can_remove" 1581da177e4SLinus Torvalds " lnum" 1591da177e4SLinus Torvalds " rnum" 1601da177e4SLinus Torvalds " lbytes" 1611da177e4SLinus Torvalds " rbytes" 1621da177e4SLinus Torvalds " get_neig" 163bd4c625cSLinus Torvalds " get_neig_res" " need_l_neig" " need_r_neig" "\n"); 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds for (level = 0; level < MAX_HEIGHT; ++level) { 1661da177e4SLinus Torvalds seq_printf(m, "%i\t" 1671da177e4SLinus Torvalds " %12lu" 1681da177e4SLinus Torvalds " %12lu" 1691da177e4SLinus Torvalds " %12lu" 1701da177e4SLinus Torvalds " %12lu" 1711da177e4SLinus Torvalds " %12lu" 1721da177e4SLinus Torvalds " %12lu" 1731da177e4SLinus Torvalds " %12lu" 1741da177e4SLinus Torvalds " %12li" 1751da177e4SLinus Torvalds " %12li" 1761da177e4SLinus Torvalds " %12li" 1771da177e4SLinus Torvalds " %12li" 1781da177e4SLinus Torvalds " %12lu" 1791da177e4SLinus Torvalds " %12lu" 1801da177e4SLinus Torvalds " %12lu" 1811da177e4SLinus Torvalds " %12lu" 1821da177e4SLinus Torvalds "\n", 1831da177e4SLinus Torvalds level, 1841da177e4SLinus Torvalds SFPL(balance_at), 1851da177e4SLinus Torvalds SFPL(sbk_read_at), 1861da177e4SLinus Torvalds SFPL(sbk_fs_changed), 1871da177e4SLinus Torvalds SFPL(sbk_restarted), 1881da177e4SLinus Torvalds SFPL(free_at), 1891da177e4SLinus Torvalds SFPL(items_at), 1901da177e4SLinus Torvalds SFPL(can_node_be_removed), 1911da177e4SLinus Torvalds SFPL(lnum), 1921da177e4SLinus Torvalds SFPL(rnum), 1931da177e4SLinus Torvalds SFPL(lbytes), 1941da177e4SLinus Torvalds SFPL(rbytes), 1951da177e4SLinus Torvalds SFPL(get_neighbors), 1961da177e4SLinus Torvalds SFPL(get_neighbors_restart), 197bd4c625cSLinus Torvalds SFPL(need_l_neighbor), SFPL(need_r_neighbor) 1981da177e4SLinus Torvalds ); 1991da177e4SLinus Torvalds } 2001da177e4SLinus Torvalds return 0; 2011da177e4SLinus Torvalds } 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds static int show_bitmap(struct seq_file *m, struct super_block *sb) 2041da177e4SLinus Torvalds { 2051da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvalds seq_printf(m, "free_block: %lu\n" 2081da177e4SLinus Torvalds " scan_bitmap:" 2091da177e4SLinus Torvalds " wait" 2101da177e4SLinus Torvalds " bmap" 2111da177e4SLinus Torvalds " retry" 2121da177e4SLinus Torvalds " stolen" 2131da177e4SLinus Torvalds " journal_hint" 2141da177e4SLinus Torvalds "journal_nohint" 2151da177e4SLinus Torvalds "\n" 2161da177e4SLinus Torvalds " %14lu" 2171da177e4SLinus Torvalds " %14lu" 2181da177e4SLinus Torvalds " %14lu" 2191da177e4SLinus Torvalds " %14lu" 2201da177e4SLinus Torvalds " %14lu" 2211da177e4SLinus Torvalds " %14lu" 2221da177e4SLinus Torvalds " %14lu" 2231da177e4SLinus Torvalds "\n", 2241da177e4SLinus Torvalds SFP(free_block), 2251da177e4SLinus Torvalds SFPF(call), 2261da177e4SLinus Torvalds SFPF(wait), 2271da177e4SLinus Torvalds SFPF(bmap), 2281da177e4SLinus Torvalds SFPF(retry), 2291da177e4SLinus Torvalds SFPF(stolen), 230bd4c625cSLinus Torvalds SFPF(in_journal_hint), SFPF(in_journal_nohint)); 2311da177e4SLinus Torvalds 2321da177e4SLinus Torvalds return 0; 2331da177e4SLinus Torvalds } 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds static int show_on_disk_super(struct seq_file *m, struct super_block *sb) 2361da177e4SLinus Torvalds { 2371da177e4SLinus Torvalds struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); 2381da177e4SLinus Torvalds struct reiserfs_super_block *rs = sb_info->s_rs; 2391da177e4SLinus Torvalds int hash_code = DFL(s_hash_function_code); 2401da177e4SLinus Torvalds __u32 flags = DJF(s_flags); 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvalds seq_printf(m, "block_count: \t%i\n" 2431da177e4SLinus Torvalds "free_blocks: \t%i\n" 2441da177e4SLinus Torvalds "root_block: \t%i\n" 2451da177e4SLinus Torvalds "blocksize: \t%i\n" 2461da177e4SLinus Torvalds "oid_maxsize: \t%i\n" 2471da177e4SLinus Torvalds "oid_cursize: \t%i\n" 2481da177e4SLinus Torvalds "umount_state: \t%i\n" 2491da177e4SLinus Torvalds "magic: \t%10.10s\n" 2501da177e4SLinus Torvalds "fs_state: \t%i\n" 2511da177e4SLinus Torvalds "hash: \t%s\n" 2521da177e4SLinus Torvalds "tree_height: \t%i\n" 2531da177e4SLinus Torvalds "bmap_nr: \t%i\n" 2541da177e4SLinus Torvalds "version: \t%i\n" 2551da177e4SLinus Torvalds "flags: \t%x[%s]\n" 2561da177e4SLinus Torvalds "reserved_for_journal: \t%i\n", 2571da177e4SLinus Torvalds DFL(s_block_count), 2581da177e4SLinus Torvalds DFL(s_free_blocks), 2591da177e4SLinus Torvalds DFL(s_root_block), 2601da177e4SLinus Torvalds DF(s_blocksize), 2611da177e4SLinus Torvalds DF(s_oid_maxsize), 2621da177e4SLinus Torvalds DF(s_oid_cursize), 2631da177e4SLinus Torvalds DF(s_umount_state), 2641da177e4SLinus Torvalds rs->s_v1.s_magic, 2651da177e4SLinus Torvalds DF(s_fs_state), 2661da177e4SLinus Torvalds hash_code == TEA_HASH ? "tea" : 2671da177e4SLinus Torvalds (hash_code == YURA_HASH) ? "rupasov" : 2681da177e4SLinus Torvalds (hash_code == R5_HASH) ? "r5" : 2691da177e4SLinus Torvalds (hash_code == UNSET_HASH) ? "unset" : "unknown", 2701da177e4SLinus Torvalds DF(s_tree_height), 2711da177e4SLinus Torvalds DF(s_bmap_nr), 272bd4c625cSLinus Torvalds DF(s_version), flags, (flags & reiserfs_attrs_cleared) 273bd4c625cSLinus Torvalds ? "attrs_cleared" : "", DF(s_reserved_for_journal)); 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds return 0; 2761da177e4SLinus Torvalds } 2771da177e4SLinus Torvalds 2781da177e4SLinus Torvalds static int show_oidmap(struct seq_file *m, struct super_block *sb) 2791da177e4SLinus Torvalds { 2801da177e4SLinus Torvalds struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); 2811da177e4SLinus Torvalds struct reiserfs_super_block *rs = sb_info->s_rs; 2821da177e4SLinus Torvalds unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize); 2831da177e4SLinus Torvalds unsigned long total_used = 0; 2841da177e4SLinus Torvalds int i; 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds for (i = 0; i < mapsize; ++i) { 2871da177e4SLinus Torvalds __u32 right; 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvalds right = (i == mapsize - 1) ? MAX_KEY_OBJECTID : MAP(i + 1); 2901da177e4SLinus Torvalds seq_printf(m, "%s: [ %x .. %x )\n", 2911da177e4SLinus Torvalds (i & 1) ? "free" : "used", MAP(i), right); 2921da177e4SLinus Torvalds if (!(i & 1)) { 2931da177e4SLinus Torvalds total_used += right - MAP(i); 2941da177e4SLinus Torvalds } 2951da177e4SLinus Torvalds } 2961da177e4SLinus Torvalds #if defined( REISERFS_USE_OIDMAPF ) 2971da177e4SLinus Torvalds if (sb_info->oidmap.use_file && (sb_info->oidmap.mapf != NULL)) { 2981fc5adbdSJosef Sipek loff_t size = sb_info->oidmap.mapf->f_path.dentry->d_inode->i_size; 2991da177e4SLinus Torvalds total_used += size / sizeof(reiserfs_oidinterval_d_t); 3001da177e4SLinus Torvalds } 3011da177e4SLinus Torvalds #endif 3021da177e4SLinus Torvalds seq_printf(m, "total: \t%i [%i/%i] used: %lu [exact]\n", 3031da177e4SLinus Torvalds mapsize, 304bd4c625cSLinus Torvalds mapsize, le16_to_cpu(rs->s_v1.s_oid_maxsize), total_used); 3051da177e4SLinus Torvalds return 0; 3061da177e4SLinus Torvalds } 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds static int show_journal(struct seq_file *m, struct super_block *sb) 3091da177e4SLinus Torvalds { 3101da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 3111da177e4SLinus Torvalds struct reiserfs_super_block *rs = r->s_rs; 3121da177e4SLinus Torvalds struct journal_params *jp = &rs->s_v1.s_journal; 3131da177e4SLinus Torvalds char b[BDEVNAME_SIZE]; 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds seq_printf(m, /* on-disk fields */ 3161da177e4SLinus Torvalds "jp_journal_1st_block: \t%i\n" 3171da177e4SLinus Torvalds "jp_journal_dev: \t%s[%x]\n" 3181da177e4SLinus Torvalds "jp_journal_size: \t%i\n" 3191da177e4SLinus Torvalds "jp_journal_trans_max: \t%i\n" 3201da177e4SLinus Torvalds "jp_journal_magic: \t%i\n" 3211da177e4SLinus Torvalds "jp_journal_max_batch: \t%i\n" 3221da177e4SLinus Torvalds "jp_journal_max_commit_age: \t%i\n" 3231da177e4SLinus Torvalds "jp_journal_max_trans_age: \t%i\n" 3241da177e4SLinus Torvalds /* incore fields */ 3251da177e4SLinus Torvalds "j_1st_reserved_block: \t%i\n" 3261da177e4SLinus Torvalds "j_state: \t%li\n" 3271da177e4SLinus Torvalds "j_trans_id: \t%lu\n" 3281da177e4SLinus Torvalds "j_mount_id: \t%lu\n" 3291da177e4SLinus Torvalds "j_start: \t%lu\n" 3301da177e4SLinus Torvalds "j_len: \t%lu\n" 3311da177e4SLinus Torvalds "j_len_alloc: \t%lu\n" 3321da177e4SLinus Torvalds "j_wcount: \t%i\n" 3331da177e4SLinus Torvalds "j_bcount: \t%lu\n" 3341da177e4SLinus Torvalds "j_first_unflushed_offset: \t%lu\n" 3351da177e4SLinus Torvalds "j_last_flush_trans_id: \t%lu\n" 3361da177e4SLinus Torvalds "j_trans_start_time: \t%li\n" 3371da177e4SLinus Torvalds "j_list_bitmap_index: \t%i\n" 3381da177e4SLinus Torvalds "j_must_wait: \t%i\n" 3391da177e4SLinus Torvalds "j_next_full_flush: \t%i\n" 3401da177e4SLinus Torvalds "j_next_async_flush: \t%i\n" 341bd4c625cSLinus Torvalds "j_cnode_used: \t%i\n" "j_cnode_free: \t%i\n" "\n" 3421da177e4SLinus Torvalds /* reiserfs_proc_info_data_t.journal fields */ 3431da177e4SLinus Torvalds "in_journal: \t%12lu\n" 3441da177e4SLinus Torvalds "in_journal_bitmap: \t%12lu\n" 3451da177e4SLinus Torvalds "in_journal_reusable: \t%12lu\n" 3461da177e4SLinus Torvalds "lock_journal: \t%12lu\n" 3471da177e4SLinus Torvalds "lock_journal_wait: \t%12lu\n" 3481da177e4SLinus Torvalds "journal_begin: \t%12lu\n" 3491da177e4SLinus Torvalds "journal_relock_writers: \t%12lu\n" 3501da177e4SLinus Torvalds "journal_relock_wcount: \t%12lu\n" 3511da177e4SLinus Torvalds "mark_dirty: \t%12lu\n" 3521da177e4SLinus Torvalds "mark_dirty_already: \t%12lu\n" 3531da177e4SLinus Torvalds "mark_dirty_notjournal: \t%12lu\n" 3541da177e4SLinus Torvalds "restore_prepared: \t%12lu\n" 3551da177e4SLinus Torvalds "prepare: \t%12lu\n" 3561da177e4SLinus Torvalds "prepare_retry: \t%12lu\n", 3571da177e4SLinus Torvalds DJP(jp_journal_1st_block), 3581da177e4SLinus Torvalds bdevname(SB_JOURNAL(sb)->j_dev_bd, b), 3591da177e4SLinus Torvalds DJP(jp_journal_dev), 3601da177e4SLinus Torvalds DJP(jp_journal_size), 3611da177e4SLinus Torvalds DJP(jp_journal_trans_max), 3621da177e4SLinus Torvalds DJP(jp_journal_magic), 3631da177e4SLinus Torvalds DJP(jp_journal_max_batch), 3641da177e4SLinus Torvalds SB_JOURNAL(sb)->j_max_commit_age, 3651da177e4SLinus Torvalds DJP(jp_journal_max_trans_age), 3661da177e4SLinus Torvalds JF(j_1st_reserved_block), 3671da177e4SLinus Torvalds JF(j_state), 3681da177e4SLinus Torvalds JF(j_trans_id), 3691da177e4SLinus Torvalds JF(j_mount_id), 3701da177e4SLinus Torvalds JF(j_start), 3711da177e4SLinus Torvalds JF(j_len), 3721da177e4SLinus Torvalds JF(j_len_alloc), 3731da177e4SLinus Torvalds atomic_read(&r->s_journal->j_wcount), 3741da177e4SLinus Torvalds JF(j_bcount), 3751da177e4SLinus Torvalds JF(j_first_unflushed_offset), 3761da177e4SLinus Torvalds JF(j_last_flush_trans_id), 3771da177e4SLinus Torvalds JF(j_trans_start_time), 3781da177e4SLinus Torvalds JF(j_list_bitmap_index), 3791da177e4SLinus Torvalds JF(j_must_wait), 3801da177e4SLinus Torvalds JF(j_next_full_flush), 3811da177e4SLinus Torvalds JF(j_next_async_flush), 3821da177e4SLinus Torvalds JF(j_cnode_used), 3831da177e4SLinus Torvalds JF(j_cnode_free), 3841da177e4SLinus Torvalds SFPJ(in_journal), 3851da177e4SLinus Torvalds SFPJ(in_journal_bitmap), 3861da177e4SLinus Torvalds SFPJ(in_journal_reusable), 3871da177e4SLinus Torvalds SFPJ(lock_journal), 3881da177e4SLinus Torvalds SFPJ(lock_journal_wait), 3891da177e4SLinus Torvalds SFPJ(journal_being), 3901da177e4SLinus Torvalds SFPJ(journal_relock_writers), 3911da177e4SLinus Torvalds SFPJ(journal_relock_wcount), 3921da177e4SLinus Torvalds SFPJ(mark_dirty), 3931da177e4SLinus Torvalds SFPJ(mark_dirty_already), 3941da177e4SLinus Torvalds SFPJ(mark_dirty_notjournal), 395bd4c625cSLinus Torvalds SFPJ(restore_prepared), SFPJ(prepare), SFPJ(prepare_retry) 3961da177e4SLinus Torvalds ); 3971da177e4SLinus Torvalds return 0; 3981da177e4SLinus Torvalds } 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds /* iterator */ 4011da177e4SLinus Torvalds static int test_sb(struct super_block *sb, void *data) 4021da177e4SLinus Torvalds { 4031da177e4SLinus Torvalds return data == sb; 4041da177e4SLinus Torvalds } 4051da177e4SLinus Torvalds 4061da177e4SLinus Torvalds static int set_sb(struct super_block *sb, void *data) 4071da177e4SLinus Torvalds { 4081da177e4SLinus Torvalds return -ENOENT; 4091da177e4SLinus Torvalds } 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds static void *r_start(struct seq_file *m, loff_t * pos) 4121da177e4SLinus Torvalds { 4131da177e4SLinus Torvalds struct proc_dir_entry *de = m->private; 4141da177e4SLinus Torvalds struct super_block *s = de->parent->data; 4151da177e4SLinus Torvalds loff_t l = *pos; 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds if (l) 4181da177e4SLinus Torvalds return NULL; 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, s))) 4211da177e4SLinus Torvalds return NULL; 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds up_write(&s->s_umount); 4241da177e4SLinus Torvalds 4251da177e4SLinus Torvalds if (de->deleted) { 4261da177e4SLinus Torvalds deactivate_super(s); 4271da177e4SLinus Torvalds return NULL; 4281da177e4SLinus Torvalds } 4291da177e4SLinus Torvalds 4301da177e4SLinus Torvalds return s; 4311da177e4SLinus Torvalds } 4321da177e4SLinus Torvalds 4331da177e4SLinus Torvalds static void *r_next(struct seq_file *m, void *v, loff_t * pos) 4341da177e4SLinus Torvalds { 4351da177e4SLinus Torvalds ++*pos; 4361da177e4SLinus Torvalds if (v) 4371da177e4SLinus Torvalds deactivate_super(v); 4381da177e4SLinus Torvalds return NULL; 4391da177e4SLinus Torvalds } 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds static void r_stop(struct seq_file *m, void *v) 4421da177e4SLinus Torvalds { 4431da177e4SLinus Torvalds if (v) 4441da177e4SLinus Torvalds deactivate_super(v); 4451da177e4SLinus Torvalds } 4461da177e4SLinus Torvalds 4471da177e4SLinus Torvalds static int r_show(struct seq_file *m, void *v) 4481da177e4SLinus Torvalds { 4491da177e4SLinus Torvalds struct proc_dir_entry *de = m->private; 4501da177e4SLinus Torvalds int (*show) (struct seq_file *, struct super_block *) = de->data; 4511da177e4SLinus Torvalds return show(m, v); 4521da177e4SLinus Torvalds } 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds static struct seq_operations r_ops = { 4551da177e4SLinus Torvalds .start = r_start, 4561da177e4SLinus Torvalds .next = r_next, 4571da177e4SLinus Torvalds .stop = r_stop, 4581da177e4SLinus Torvalds .show = r_show, 4591da177e4SLinus Torvalds }; 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds static int r_open(struct inode *inode, struct file *file) 4621da177e4SLinus Torvalds { 4631da177e4SLinus Torvalds int ret = seq_open(file, &r_ops); 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds if (!ret) { 4661da177e4SLinus Torvalds struct seq_file *m = file->private_data; 4671da177e4SLinus Torvalds m->private = PDE(inode); 4681da177e4SLinus Torvalds } 4691da177e4SLinus Torvalds return ret; 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 4724b6f5d20SArjan van de Ven static const struct file_operations r_file_operations = { 4731da177e4SLinus Torvalds .open = r_open, 4741da177e4SLinus Torvalds .read = seq_read, 4751da177e4SLinus Torvalds .llseek = seq_lseek, 4761da177e4SLinus Torvalds .release = seq_release, 4771da177e4SLinus Torvalds }; 4781da177e4SLinus Torvalds 4791da177e4SLinus Torvalds static struct proc_dir_entry *proc_info_root = NULL; 4801da177e4SLinus Torvalds static const char proc_info_root_name[] = "fs/reiserfs"; 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvalds static void add_file(struct super_block *sb, char *name, 4831da177e4SLinus Torvalds int (*func) (struct seq_file *, struct super_block *)) 4841da177e4SLinus Torvalds { 4851da177e4SLinus Torvalds struct proc_dir_entry *de; 4861da177e4SLinus Torvalds de = create_proc_entry(name, 0, REISERFS_SB(sb)->procdir); 4871da177e4SLinus Torvalds if (de) { 4881da177e4SLinus Torvalds de->data = func; 4891da177e4SLinus Torvalds de->proc_fops = &r_file_operations; 4901da177e4SLinus Torvalds } 4911da177e4SLinus Torvalds } 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvalds int reiserfs_proc_info_init(struct super_block *sb) 4941da177e4SLinus Torvalds { 4956fbe82a9SJeff Mahoney char b[BDEVNAME_SIZE]; 4966fbe82a9SJeff Mahoney char *s; 4976fbe82a9SJeff Mahoney 4986fbe82a9SJeff Mahoney /* Some block devices use /'s */ 4996fbe82a9SJeff Mahoney strlcpy(b, reiserfs_bdevname(sb), BDEVNAME_SIZE); 5006fbe82a9SJeff Mahoney s = strchr(b, '/'); 5016fbe82a9SJeff Mahoney if (s) 5026fbe82a9SJeff Mahoney *s = '!'; 5036fbe82a9SJeff Mahoney 5041da177e4SLinus Torvalds spin_lock_init(&__PINFO(sb).lock); 5056fbe82a9SJeff Mahoney REISERFS_SB(sb)->procdir = proc_mkdir(b, proc_info_root); 5061da177e4SLinus Torvalds if (REISERFS_SB(sb)->procdir) { 5071da177e4SLinus Torvalds REISERFS_SB(sb)->procdir->owner = THIS_MODULE; 5081da177e4SLinus Torvalds REISERFS_SB(sb)->procdir->data = sb; 5091da177e4SLinus Torvalds add_file(sb, "version", show_version); 5101da177e4SLinus Torvalds add_file(sb, "super", show_super); 5111da177e4SLinus Torvalds add_file(sb, "per-level", show_per_level); 5121da177e4SLinus Torvalds add_file(sb, "bitmap", show_bitmap); 5131da177e4SLinus Torvalds add_file(sb, "on-disk-super", show_on_disk_super); 5141da177e4SLinus Torvalds add_file(sb, "oidmap", show_oidmap); 5151da177e4SLinus Torvalds add_file(sb, "journal", show_journal); 5161da177e4SLinus Torvalds return 0; 5171da177e4SLinus Torvalds } 5181da177e4SLinus Torvalds reiserfs_warning(sb, "reiserfs: cannot create /proc/%s/%s", 5196fbe82a9SJeff Mahoney proc_info_root_name, b); 5201da177e4SLinus Torvalds return 1; 5211da177e4SLinus Torvalds } 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds int reiserfs_proc_info_done(struct super_block *sb) 5241da177e4SLinus Torvalds { 5251da177e4SLinus Torvalds struct proc_dir_entry *de = REISERFS_SB(sb)->procdir; 5266fbe82a9SJeff Mahoney char b[BDEVNAME_SIZE]; 5276fbe82a9SJeff Mahoney char *s; 5286fbe82a9SJeff Mahoney 5296fbe82a9SJeff Mahoney /* Some block devices use /'s */ 5306fbe82a9SJeff Mahoney strlcpy(b, reiserfs_bdevname(sb), BDEVNAME_SIZE); 5316fbe82a9SJeff Mahoney s = strchr(b, '/'); 5326fbe82a9SJeff Mahoney if (s) 5336fbe82a9SJeff Mahoney *s = '!'; 5346fbe82a9SJeff Mahoney 5351da177e4SLinus Torvalds if (de) { 5361da177e4SLinus Torvalds remove_proc_entry("journal", de); 5371da177e4SLinus Torvalds remove_proc_entry("oidmap", de); 5381da177e4SLinus Torvalds remove_proc_entry("on-disk-super", de); 5391da177e4SLinus Torvalds remove_proc_entry("bitmap", de); 5401da177e4SLinus Torvalds remove_proc_entry("per-level", de); 5411da177e4SLinus Torvalds remove_proc_entry("super", de); 5421da177e4SLinus Torvalds remove_proc_entry("version", de); 5431da177e4SLinus Torvalds } 5441da177e4SLinus Torvalds spin_lock(&__PINFO(sb).lock); 5451da177e4SLinus Torvalds __PINFO(sb).exiting = 1; 5461da177e4SLinus Torvalds spin_unlock(&__PINFO(sb).lock); 5471da177e4SLinus Torvalds if (proc_info_root) { 5486fbe82a9SJeff Mahoney remove_proc_entry(b, proc_info_root); 5491da177e4SLinus Torvalds REISERFS_SB(sb)->procdir = NULL; 5501da177e4SLinus Torvalds } 5511da177e4SLinus Torvalds return 0; 5521da177e4SLinus Torvalds } 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds struct proc_dir_entry *reiserfs_proc_register_global(char *name, 5551da177e4SLinus Torvalds read_proc_t * func) 5561da177e4SLinus Torvalds { 5571da177e4SLinus Torvalds return (proc_info_root) ? create_proc_read_entry(name, 0, 5581da177e4SLinus Torvalds proc_info_root, 5591da177e4SLinus Torvalds func, NULL) : NULL; 5601da177e4SLinus Torvalds } 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds void reiserfs_proc_unregister_global(const char *name) 5631da177e4SLinus Torvalds { 5641da177e4SLinus Torvalds remove_proc_entry(name, proc_info_root); 5651da177e4SLinus Torvalds } 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds int reiserfs_proc_info_global_init(void) 5681da177e4SLinus Torvalds { 5691da177e4SLinus Torvalds if (proc_info_root == NULL) { 5701da177e4SLinus Torvalds proc_info_root = proc_mkdir(proc_info_root_name, NULL); 5711da177e4SLinus Torvalds if (proc_info_root) { 5721da177e4SLinus Torvalds proc_info_root->owner = THIS_MODULE; 5731da177e4SLinus Torvalds } else { 5741da177e4SLinus Torvalds reiserfs_warning(NULL, 5751da177e4SLinus Torvalds "reiserfs: cannot create /proc/%s", 5761da177e4SLinus Torvalds proc_info_root_name); 5771da177e4SLinus Torvalds return 1; 5781da177e4SLinus Torvalds } 5791da177e4SLinus Torvalds } 5801da177e4SLinus Torvalds return 0; 5811da177e4SLinus Torvalds } 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds int reiserfs_proc_info_global_done(void) 5841da177e4SLinus Torvalds { 5851da177e4SLinus Torvalds if (proc_info_root != NULL) { 5861da177e4SLinus Torvalds proc_info_root = NULL; 5871da177e4SLinus Torvalds remove_proc_entry(proc_info_root_name, NULL); 5881da177e4SLinus Torvalds } 5891da177e4SLinus Torvalds return 0; 5901da177e4SLinus Torvalds } 5911da177e4SLinus Torvalds 5921da177e4SLinus Torvalds /* REISERFS_PROC_INFO */ 5931da177e4SLinus Torvalds #else 5941da177e4SLinus Torvalds 595bd4c625cSLinus Torvalds int reiserfs_proc_info_init(struct super_block *sb) 596bd4c625cSLinus Torvalds { 597bd4c625cSLinus Torvalds return 0; 598bd4c625cSLinus Torvalds } 599bd4c625cSLinus Torvalds int reiserfs_proc_info_done(struct super_block *sb) 600bd4c625cSLinus Torvalds { 601bd4c625cSLinus Torvalds return 0; 602bd4c625cSLinus Torvalds } 6031da177e4SLinus Torvalds 6041da177e4SLinus Torvalds struct proc_dir_entry *reiserfs_proc_register_global(char *name, 6051da177e4SLinus Torvalds read_proc_t * func) 606bd4c625cSLinus Torvalds { 607bd4c625cSLinus Torvalds return NULL; 608bd4c625cSLinus Torvalds } 6091da177e4SLinus Torvalds 610bd4c625cSLinus Torvalds void reiserfs_proc_unregister_global(const char *name) 611bd4c625cSLinus Torvalds {; 612bd4c625cSLinus Torvalds } 6131da177e4SLinus Torvalds 614bd4c625cSLinus Torvalds int reiserfs_proc_info_global_init(void) 615bd4c625cSLinus Torvalds { 616bd4c625cSLinus Torvalds return 0; 617bd4c625cSLinus Torvalds } 618bd4c625cSLinus Torvalds int reiserfs_proc_info_global_done(void) 619bd4c625cSLinus Torvalds { 620bd4c625cSLinus Torvalds return 0; 621bd4c625cSLinus Torvalds } 6221da177e4SLinus Torvalds 6231da177e4SLinus Torvalds int reiserfs_global_version_in_proc(char *buffer, char **start, 6241da177e4SLinus Torvalds off_t offset, 6251da177e4SLinus Torvalds int count, int *eof, void *data) 626bd4c625cSLinus Torvalds { 627bd4c625cSLinus Torvalds return 0; 628bd4c625cSLinus Torvalds } 6291da177e4SLinus Torvalds 6301da177e4SLinus Torvalds /* REISERFS_PROC_INFO */ 6311da177e4SLinus Torvalds #endif 6321da177e4SLinus Torvalds 6331da177e4SLinus Torvalds /* 6341da177e4SLinus Torvalds * $Log: procfs.c,v $ 6351da177e4SLinus Torvalds * Revision 1.1.8.2 2001/07/15 17:08:42 god 6361da177e4SLinus Torvalds * . use get_super() in procfs.c 6371da177e4SLinus Torvalds * . remove remove_save_link() from reiserfs_do_truncate() 6381da177e4SLinus Torvalds * 6391da177e4SLinus Torvalds * I accept terms and conditions stated in the Legal Agreement 6401da177e4SLinus Torvalds * (available at http://www.namesys.com/legalese.html) 6411da177e4SLinus Torvalds * 6421da177e4SLinus Torvalds * Revision 1.1.8.1 2001/07/11 16:48:50 god 6431da177e4SLinus Torvalds * proc info support 6441da177e4SLinus Torvalds * 6451da177e4SLinus Torvalds * I accept terms and conditions stated in the Legal Agreement 6461da177e4SLinus Torvalds * (available at http://www.namesys.com/legalese.html) 6471da177e4SLinus Torvalds * 6481da177e4SLinus Torvalds */ 6491da177e4SLinus Torvalds 6501da177e4SLinus Torvalds /* 6511da177e4SLinus Torvalds * Make Linus happy. 6521da177e4SLinus Torvalds * Local variables: 6531da177e4SLinus Torvalds * c-indentation-style: "K&R" 6541da177e4SLinus Torvalds * mode-name: "LC" 6551da177e4SLinus Torvalds * c-basic-offset: 8 6561da177e4SLinus Torvalds * tab-width: 8 6571da177e4SLinus Torvalds * End: 6581da177e4SLinus Torvalds */ 659