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 #include <linux/module.h> 121da177e4SLinus Torvalds #include <linux/time.h> 131da177e4SLinus Torvalds #include <linux/seq_file.h> 141da177e4SLinus Torvalds #include <asm/uaccess.h> 15f466c6fdSAl Viro #include "reiserfs.h" 161da177e4SLinus Torvalds #include <linux/init.h> 171da177e4SLinus Torvalds #include <linux/proc_fs.h> 181da177e4SLinus Torvalds 191da177e4SLinus Torvalds /* 201da177e4SLinus Torvalds * LOCKING: 211da177e4SLinus Torvalds * 221da177e4SLinus Torvalds * We rely on new Alexander Viro's super-block locking. 231da177e4SLinus Torvalds * 241da177e4SLinus Torvalds */ 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds static int show_version(struct seq_file *m, struct super_block *sb) 271da177e4SLinus Torvalds { 281da177e4SLinus Torvalds char *format; 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) { 311da177e4SLinus Torvalds format = "3.6"; 321da177e4SLinus Torvalds } else if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_5)) { 331da177e4SLinus Torvalds format = "3.5"; 341da177e4SLinus Torvalds } else { 351da177e4SLinus Torvalds format = "unknown"; 361da177e4SLinus Torvalds } 371da177e4SLinus Torvalds 38bd4c625cSLinus Torvalds seq_printf(m, "%s format\twith checks %s\n", format, 391da177e4SLinus Torvalds #if defined( CONFIG_REISERFS_CHECK ) 401da177e4SLinus Torvalds "on" 411da177e4SLinus Torvalds #else 421da177e4SLinus Torvalds "off" 431da177e4SLinus Torvalds #endif 441da177e4SLinus Torvalds ); 451da177e4SLinus Torvalds return 0; 461da177e4SLinus Torvalds } 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #define SF( x ) ( r -> x ) 491da177e4SLinus Torvalds #define SFP( x ) SF( s_proc_info_data.x ) 501da177e4SLinus Torvalds #define SFPL( x ) SFP( x[ level ] ) 511da177e4SLinus Torvalds #define SFPF( x ) SFP( scan_bitmap.x ) 521da177e4SLinus Torvalds #define SFPJ( x ) SFP( journal.x ) 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds #define D2C( x ) le16_to_cpu( x ) 551da177e4SLinus Torvalds #define D4C( x ) le32_to_cpu( x ) 561da177e4SLinus Torvalds #define DF( x ) D2C( rs -> s_v1.x ) 571da177e4SLinus Torvalds #define DFL( x ) D4C( rs -> s_v1.x ) 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds #define objectid_map( s, rs ) (old_format_only (s) ? \ 603e8962beSAl Viro (__le32 *)((struct reiserfs_super_block_v1 *)rs + 1) : \ 613e8962beSAl Viro (__le32 *)(rs + 1)) 621da177e4SLinus Torvalds #define MAP( i ) D4C( objectid_map( sb, rs )[ i ] ) 631da177e4SLinus Torvalds 641da177e4SLinus Torvalds #define DJF( x ) le32_to_cpu( rs -> x ) 651da177e4SLinus Torvalds #define DJV( x ) le32_to_cpu( s_v1 -> x ) 661da177e4SLinus Torvalds #define DJP( x ) le32_to_cpu( jp -> x ) 671da177e4SLinus Torvalds #define JF( x ) ( r -> s_journal -> x ) 681da177e4SLinus Torvalds 691da177e4SLinus Torvalds static int show_super(struct seq_file *m, struct super_block *sb) 701da177e4SLinus Torvalds { 711da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds seq_printf(m, "state: \t%s\n" 741da177e4SLinus Torvalds "mount options: \t%s%s%s%s%s%s%s%s%s%s%s\n" 751da177e4SLinus Torvalds "gen. counter: \t%i\n" 761da177e4SLinus Torvalds "s_disk_reads: \t%i\n" 771da177e4SLinus Torvalds "s_disk_writes: \t%i\n" 781da177e4SLinus Torvalds "s_fix_nodes: \t%i\n" 791da177e4SLinus Torvalds "s_do_balance: \t%i\n" 801da177e4SLinus Torvalds "s_unneeded_left_neighbor: \t%i\n" 811da177e4SLinus Torvalds "s_good_search_by_key_reada: \t%i\n" 821da177e4SLinus Torvalds "s_bmaps: \t%i\n" 831da177e4SLinus Torvalds "s_bmaps_without_search: \t%i\n" 841da177e4SLinus Torvalds "s_direct2indirect: \t%i\n" 851da177e4SLinus Torvalds "s_indirect2direct: \t%i\n" 861da177e4SLinus Torvalds "\n" 871da177e4SLinus Torvalds "max_hash_collisions: \t%i\n" 881da177e4SLinus Torvalds "breads: \t%lu\n" 891da177e4SLinus Torvalds "bread_misses: \t%lu\n" 901da177e4SLinus Torvalds "search_by_key: \t%lu\n" 911da177e4SLinus Torvalds "search_by_key_fs_changed: \t%lu\n" 921da177e4SLinus Torvalds "search_by_key_restarted: \t%lu\n" 931da177e4SLinus Torvalds "insert_item_restarted: \t%lu\n" 941da177e4SLinus Torvalds "paste_into_item_restarted: \t%lu\n" 951da177e4SLinus Torvalds "cut_from_item_restarted: \t%lu\n" 961da177e4SLinus Torvalds "delete_solid_item_restarted: \t%lu\n" 971da177e4SLinus Torvalds "delete_item_restarted: \t%lu\n" 981da177e4SLinus Torvalds "leaked_oid: \t%lu\n" 991da177e4SLinus Torvalds "leaves_removable: \t%lu\n", 1001da177e4SLinus Torvalds SF(s_mount_state) == REISERFS_VALID_FS ? 1011da177e4SLinus Torvalds "REISERFS_VALID_FS" : "REISERFS_ERROR_FS", 1021da177e4SLinus Torvalds reiserfs_r5_hash(sb) ? "FORCE_R5 " : "", 1031da177e4SLinus Torvalds reiserfs_rupasov_hash(sb) ? "FORCE_RUPASOV " : "", 1041da177e4SLinus Torvalds reiserfs_tea_hash(sb) ? "FORCE_TEA " : "", 1051da177e4SLinus Torvalds reiserfs_hash_detect(sb) ? "DETECT_HASH " : "", 1061da177e4SLinus Torvalds reiserfs_no_border(sb) ? "NO_BORDER " : "BORDER ", 107bd4c625cSLinus Torvalds reiserfs_no_unhashed_relocation(sb) ? 108bd4c625cSLinus Torvalds "NO_UNHASHED_RELOCATION " : "", 1091da177e4SLinus Torvalds reiserfs_hashed_relocation(sb) ? "UNHASHED_RELOCATION " : "", 1101da177e4SLinus Torvalds reiserfs_test4(sb) ? "TEST4 " : "", 111bd4c625cSLinus Torvalds have_large_tails(sb) ? "TAILS " : have_small_tails(sb) ? 112bd4c625cSLinus Torvalds "SMALL_TAILS " : "NO_TAILS ", 1131da177e4SLinus Torvalds replay_only(sb) ? "REPLAY_ONLY " : "", 1141da177e4SLinus Torvalds convert_reiserfs(sb) ? "CONV " : "", 115d739b42bSPekka Enberg atomic_read(&r->s_generation_counter), 116bd4c625cSLinus Torvalds SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes), 117bd4c625cSLinus Torvalds SF(s_do_balance), SF(s_unneeded_left_neighbor), 118bd4c625cSLinus Torvalds SF(s_good_search_by_key_reada), SF(s_bmaps), 119bd4c625cSLinus Torvalds SF(s_bmaps_without_search), SF(s_direct2indirect), 120bd4c625cSLinus Torvalds SF(s_indirect2direct), SFP(max_hash_collisions), SFP(breads), 121bd4c625cSLinus Torvalds SFP(bread_miss), SFP(search_by_key), 122bd4c625cSLinus Torvalds SFP(search_by_key_fs_changed), SFP(search_by_key_restarted), 123bd4c625cSLinus Torvalds SFP(insert_item_restarted), SFP(paste_into_item_restarted), 1241da177e4SLinus Torvalds SFP(cut_from_item_restarted), 125bd4c625cSLinus Torvalds SFP(delete_solid_item_restarted), SFP(delete_item_restarted), 126bd4c625cSLinus Torvalds SFP(leaked_oid), SFP(leaves_removable)); 1271da177e4SLinus Torvalds 1281da177e4SLinus Torvalds return 0; 1291da177e4SLinus Torvalds } 1301da177e4SLinus Torvalds 1311da177e4SLinus Torvalds static int show_per_level(struct seq_file *m, struct super_block *sb) 1321da177e4SLinus Torvalds { 1331da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 1341da177e4SLinus Torvalds int level; 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvalds seq_printf(m, "level\t" 1371da177e4SLinus Torvalds " balances" 1381da177e4SLinus Torvalds " [sbk: reads" 1391da177e4SLinus Torvalds " fs_changed" 1401da177e4SLinus Torvalds " restarted]" 1411da177e4SLinus Torvalds " free space" 1421da177e4SLinus Torvalds " items" 1431da177e4SLinus Torvalds " can_remove" 1441da177e4SLinus Torvalds " lnum" 1451da177e4SLinus Torvalds " rnum" 1461da177e4SLinus Torvalds " lbytes" 1471da177e4SLinus Torvalds " rbytes" 1481da177e4SLinus Torvalds " get_neig" 149bd4c625cSLinus Torvalds " get_neig_res" " need_l_neig" " need_r_neig" "\n"); 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds for (level = 0; level < MAX_HEIGHT; ++level) { 1521da177e4SLinus Torvalds seq_printf(m, "%i\t" 1531da177e4SLinus Torvalds " %12lu" 1541da177e4SLinus Torvalds " %12lu" 1551da177e4SLinus Torvalds " %12lu" 1561da177e4SLinus Torvalds " %12lu" 1571da177e4SLinus Torvalds " %12lu" 1581da177e4SLinus Torvalds " %12lu" 1591da177e4SLinus Torvalds " %12lu" 1601da177e4SLinus Torvalds " %12li" 1611da177e4SLinus Torvalds " %12li" 1621da177e4SLinus Torvalds " %12li" 1631da177e4SLinus Torvalds " %12li" 1641da177e4SLinus Torvalds " %12lu" 1651da177e4SLinus Torvalds " %12lu" 1661da177e4SLinus Torvalds " %12lu" 1671da177e4SLinus Torvalds " %12lu" 1681da177e4SLinus Torvalds "\n", 1691da177e4SLinus Torvalds level, 1701da177e4SLinus Torvalds SFPL(balance_at), 1711da177e4SLinus Torvalds SFPL(sbk_read_at), 1721da177e4SLinus Torvalds SFPL(sbk_fs_changed), 1731da177e4SLinus Torvalds SFPL(sbk_restarted), 1741da177e4SLinus Torvalds SFPL(free_at), 1751da177e4SLinus Torvalds SFPL(items_at), 1761da177e4SLinus Torvalds SFPL(can_node_be_removed), 1771da177e4SLinus Torvalds SFPL(lnum), 1781da177e4SLinus Torvalds SFPL(rnum), 1791da177e4SLinus Torvalds SFPL(lbytes), 1801da177e4SLinus Torvalds SFPL(rbytes), 1811da177e4SLinus Torvalds SFPL(get_neighbors), 1821da177e4SLinus Torvalds SFPL(get_neighbors_restart), 183bd4c625cSLinus Torvalds SFPL(need_l_neighbor), SFPL(need_r_neighbor) 1841da177e4SLinus Torvalds ); 1851da177e4SLinus Torvalds } 1861da177e4SLinus Torvalds return 0; 1871da177e4SLinus Torvalds } 1881da177e4SLinus Torvalds 1891da177e4SLinus Torvalds static int show_bitmap(struct seq_file *m, struct super_block *sb) 1901da177e4SLinus Torvalds { 1911da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds seq_printf(m, "free_block: %lu\n" 1941da177e4SLinus Torvalds " scan_bitmap:" 1951da177e4SLinus Torvalds " wait" 1961da177e4SLinus Torvalds " bmap" 1971da177e4SLinus Torvalds " retry" 1981da177e4SLinus Torvalds " stolen" 1991da177e4SLinus Torvalds " journal_hint" 2001da177e4SLinus Torvalds "journal_nohint" 2011da177e4SLinus Torvalds "\n" 2021da177e4SLinus Torvalds " %14lu" 2031da177e4SLinus Torvalds " %14lu" 2041da177e4SLinus Torvalds " %14lu" 2051da177e4SLinus Torvalds " %14lu" 2061da177e4SLinus Torvalds " %14lu" 2071da177e4SLinus Torvalds " %14lu" 2081da177e4SLinus Torvalds " %14lu" 2091da177e4SLinus Torvalds "\n", 2101da177e4SLinus Torvalds SFP(free_block), 2111da177e4SLinus Torvalds SFPF(call), 2121da177e4SLinus Torvalds SFPF(wait), 2131da177e4SLinus Torvalds SFPF(bmap), 2141da177e4SLinus Torvalds SFPF(retry), 2151da177e4SLinus Torvalds SFPF(stolen), 216bd4c625cSLinus Torvalds SFPF(in_journal_hint), SFPF(in_journal_nohint)); 2171da177e4SLinus Torvalds 2181da177e4SLinus Torvalds return 0; 2191da177e4SLinus Torvalds } 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvalds static int show_on_disk_super(struct seq_file *m, struct super_block *sb) 2221da177e4SLinus Torvalds { 2231da177e4SLinus Torvalds struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); 2241da177e4SLinus Torvalds struct reiserfs_super_block *rs = sb_info->s_rs; 2251da177e4SLinus Torvalds int hash_code = DFL(s_hash_function_code); 2261da177e4SLinus Torvalds __u32 flags = DJF(s_flags); 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds seq_printf(m, "block_count: \t%i\n" 2291da177e4SLinus Torvalds "free_blocks: \t%i\n" 2301da177e4SLinus Torvalds "root_block: \t%i\n" 2311da177e4SLinus Torvalds "blocksize: \t%i\n" 2321da177e4SLinus Torvalds "oid_maxsize: \t%i\n" 2331da177e4SLinus Torvalds "oid_cursize: \t%i\n" 2341da177e4SLinus Torvalds "umount_state: \t%i\n" 2351da177e4SLinus Torvalds "magic: \t%10.10s\n" 2361da177e4SLinus Torvalds "fs_state: \t%i\n" 2371da177e4SLinus Torvalds "hash: \t%s\n" 2381da177e4SLinus Torvalds "tree_height: \t%i\n" 2391da177e4SLinus Torvalds "bmap_nr: \t%i\n" 2401da177e4SLinus Torvalds "version: \t%i\n" 2411da177e4SLinus Torvalds "flags: \t%x[%s]\n" 2421da177e4SLinus Torvalds "reserved_for_journal: \t%i\n", 2431da177e4SLinus Torvalds DFL(s_block_count), 2441da177e4SLinus Torvalds DFL(s_free_blocks), 2451da177e4SLinus Torvalds DFL(s_root_block), 2461da177e4SLinus Torvalds DF(s_blocksize), 2471da177e4SLinus Torvalds DF(s_oid_maxsize), 2481da177e4SLinus Torvalds DF(s_oid_cursize), 2491da177e4SLinus Torvalds DF(s_umount_state), 2501da177e4SLinus Torvalds rs->s_v1.s_magic, 2511da177e4SLinus Torvalds DF(s_fs_state), 2521da177e4SLinus Torvalds hash_code == TEA_HASH ? "tea" : 2531da177e4SLinus Torvalds (hash_code == YURA_HASH) ? "rupasov" : 2541da177e4SLinus Torvalds (hash_code == R5_HASH) ? "r5" : 2551da177e4SLinus Torvalds (hash_code == UNSET_HASH) ? "unset" : "unknown", 2561da177e4SLinus Torvalds DF(s_tree_height), 2571da177e4SLinus Torvalds DF(s_bmap_nr), 258bd4c625cSLinus Torvalds DF(s_version), flags, (flags & reiserfs_attrs_cleared) 259bd4c625cSLinus Torvalds ? "attrs_cleared" : "", DF(s_reserved_for_journal)); 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds return 0; 2621da177e4SLinus Torvalds } 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds static int show_oidmap(struct seq_file *m, struct super_block *sb) 2651da177e4SLinus Torvalds { 2661da177e4SLinus Torvalds struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); 2671da177e4SLinus Torvalds struct reiserfs_super_block *rs = sb_info->s_rs; 2681da177e4SLinus Torvalds unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize); 2691da177e4SLinus Torvalds unsigned long total_used = 0; 2701da177e4SLinus Torvalds int i; 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvalds for (i = 0; i < mapsize; ++i) { 2731da177e4SLinus Torvalds __u32 right; 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds right = (i == mapsize - 1) ? MAX_KEY_OBJECTID : MAP(i + 1); 2761da177e4SLinus Torvalds seq_printf(m, "%s: [ %x .. %x )\n", 2771da177e4SLinus Torvalds (i & 1) ? "free" : "used", MAP(i), right); 2781da177e4SLinus Torvalds if (!(i & 1)) { 2791da177e4SLinus Torvalds total_used += right - MAP(i); 2801da177e4SLinus Torvalds } 2811da177e4SLinus Torvalds } 2821da177e4SLinus Torvalds #if defined( REISERFS_USE_OIDMAPF ) 2831da177e4SLinus Torvalds if (sb_info->oidmap.use_file && (sb_info->oidmap.mapf != NULL)) { 284496ad9aaSAl Viro loff_t size = file_inode(sb_info->oidmap.mapf)->i_size; 2851da177e4SLinus Torvalds total_used += size / sizeof(reiserfs_oidinterval_d_t); 2861da177e4SLinus Torvalds } 2871da177e4SLinus Torvalds #endif 2881da177e4SLinus Torvalds seq_printf(m, "total: \t%i [%i/%i] used: %lu [exact]\n", 2891da177e4SLinus Torvalds mapsize, 290bd4c625cSLinus Torvalds mapsize, le16_to_cpu(rs->s_v1.s_oid_maxsize), total_used); 2911da177e4SLinus Torvalds return 0; 2921da177e4SLinus Torvalds } 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds static int show_journal(struct seq_file *m, struct super_block *sb) 2951da177e4SLinus Torvalds { 2961da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 2971da177e4SLinus Torvalds struct reiserfs_super_block *rs = r->s_rs; 2981da177e4SLinus Torvalds struct journal_params *jp = &rs->s_v1.s_journal; 2991da177e4SLinus Torvalds char b[BDEVNAME_SIZE]; 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvalds seq_printf(m, /* on-disk fields */ 3021da177e4SLinus Torvalds "jp_journal_1st_block: \t%i\n" 3031da177e4SLinus Torvalds "jp_journal_dev: \t%s[%x]\n" 3041da177e4SLinus Torvalds "jp_journal_size: \t%i\n" 3051da177e4SLinus Torvalds "jp_journal_trans_max: \t%i\n" 3061da177e4SLinus Torvalds "jp_journal_magic: \t%i\n" 3071da177e4SLinus Torvalds "jp_journal_max_batch: \t%i\n" 3081da177e4SLinus Torvalds "jp_journal_max_commit_age: \t%i\n" 3091da177e4SLinus Torvalds "jp_journal_max_trans_age: \t%i\n" 3101da177e4SLinus Torvalds /* incore fields */ 3111da177e4SLinus Torvalds "j_1st_reserved_block: \t%i\n" 3121da177e4SLinus Torvalds "j_state: \t%li\n" 313600ed416SJeff Mahoney "j_trans_id: \t%u\n" 3141da177e4SLinus Torvalds "j_mount_id: \t%lu\n" 3151da177e4SLinus Torvalds "j_start: \t%lu\n" 3161da177e4SLinus Torvalds "j_len: \t%lu\n" 3171da177e4SLinus Torvalds "j_len_alloc: \t%lu\n" 3181da177e4SLinus Torvalds "j_wcount: \t%i\n" 3191da177e4SLinus Torvalds "j_bcount: \t%lu\n" 3201da177e4SLinus Torvalds "j_first_unflushed_offset: \t%lu\n" 321600ed416SJeff Mahoney "j_last_flush_trans_id: \t%u\n" 3221da177e4SLinus Torvalds "j_trans_start_time: \t%li\n" 3231da177e4SLinus Torvalds "j_list_bitmap_index: \t%i\n" 3241da177e4SLinus Torvalds "j_must_wait: \t%i\n" 3251da177e4SLinus Torvalds "j_next_full_flush: \t%i\n" 3261da177e4SLinus Torvalds "j_next_async_flush: \t%i\n" 327bd4c625cSLinus Torvalds "j_cnode_used: \t%i\n" "j_cnode_free: \t%i\n" "\n" 3281da177e4SLinus Torvalds /* reiserfs_proc_info_data_t.journal fields */ 3291da177e4SLinus Torvalds "in_journal: \t%12lu\n" 3301da177e4SLinus Torvalds "in_journal_bitmap: \t%12lu\n" 3311da177e4SLinus Torvalds "in_journal_reusable: \t%12lu\n" 3321da177e4SLinus Torvalds "lock_journal: \t%12lu\n" 3331da177e4SLinus Torvalds "lock_journal_wait: \t%12lu\n" 3341da177e4SLinus Torvalds "journal_begin: \t%12lu\n" 3351da177e4SLinus Torvalds "journal_relock_writers: \t%12lu\n" 3361da177e4SLinus Torvalds "journal_relock_wcount: \t%12lu\n" 3371da177e4SLinus Torvalds "mark_dirty: \t%12lu\n" 3381da177e4SLinus Torvalds "mark_dirty_already: \t%12lu\n" 3391da177e4SLinus Torvalds "mark_dirty_notjournal: \t%12lu\n" 3401da177e4SLinus Torvalds "restore_prepared: \t%12lu\n" 3411da177e4SLinus Torvalds "prepare: \t%12lu\n" 3421da177e4SLinus Torvalds "prepare_retry: \t%12lu\n", 3431da177e4SLinus Torvalds DJP(jp_journal_1st_block), 3441da177e4SLinus Torvalds bdevname(SB_JOURNAL(sb)->j_dev_bd, b), 3451da177e4SLinus Torvalds DJP(jp_journal_dev), 3461da177e4SLinus Torvalds DJP(jp_journal_size), 3471da177e4SLinus Torvalds DJP(jp_journal_trans_max), 3481da177e4SLinus Torvalds DJP(jp_journal_magic), 3491da177e4SLinus Torvalds DJP(jp_journal_max_batch), 3501da177e4SLinus Torvalds SB_JOURNAL(sb)->j_max_commit_age, 3511da177e4SLinus Torvalds DJP(jp_journal_max_trans_age), 3521da177e4SLinus Torvalds JF(j_1st_reserved_block), 3531da177e4SLinus Torvalds JF(j_state), 3541da177e4SLinus Torvalds JF(j_trans_id), 3551da177e4SLinus Torvalds JF(j_mount_id), 3561da177e4SLinus Torvalds JF(j_start), 3571da177e4SLinus Torvalds JF(j_len), 3581da177e4SLinus Torvalds JF(j_len_alloc), 3591da177e4SLinus Torvalds atomic_read(&r->s_journal->j_wcount), 3601da177e4SLinus Torvalds JF(j_bcount), 3611da177e4SLinus Torvalds JF(j_first_unflushed_offset), 3621da177e4SLinus Torvalds JF(j_last_flush_trans_id), 3631da177e4SLinus Torvalds JF(j_trans_start_time), 3641da177e4SLinus Torvalds JF(j_list_bitmap_index), 3651da177e4SLinus Torvalds JF(j_must_wait), 3661da177e4SLinus Torvalds JF(j_next_full_flush), 3671da177e4SLinus Torvalds JF(j_next_async_flush), 3681da177e4SLinus Torvalds JF(j_cnode_used), 3691da177e4SLinus Torvalds JF(j_cnode_free), 3701da177e4SLinus Torvalds SFPJ(in_journal), 3711da177e4SLinus Torvalds SFPJ(in_journal_bitmap), 3721da177e4SLinus Torvalds SFPJ(in_journal_reusable), 3731da177e4SLinus Torvalds SFPJ(lock_journal), 3741da177e4SLinus Torvalds SFPJ(lock_journal_wait), 3751da177e4SLinus Torvalds SFPJ(journal_being), 3761da177e4SLinus Torvalds SFPJ(journal_relock_writers), 3771da177e4SLinus Torvalds SFPJ(journal_relock_wcount), 3781da177e4SLinus Torvalds SFPJ(mark_dirty), 3791da177e4SLinus Torvalds SFPJ(mark_dirty_already), 3801da177e4SLinus Torvalds SFPJ(mark_dirty_notjournal), 381bd4c625cSLinus Torvalds SFPJ(restore_prepared), SFPJ(prepare), SFPJ(prepare_retry) 3821da177e4SLinus Torvalds ); 3831da177e4SLinus Torvalds return 0; 3841da177e4SLinus Torvalds } 3851da177e4SLinus Torvalds 3861da177e4SLinus Torvalds /* iterator */ 3871da177e4SLinus Torvalds static int test_sb(struct super_block *sb, void *data) 3881da177e4SLinus Torvalds { 3891da177e4SLinus Torvalds return data == sb; 3901da177e4SLinus Torvalds } 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds static int set_sb(struct super_block *sb, void *data) 3931da177e4SLinus Torvalds { 3941da177e4SLinus Torvalds return -ENOENT; 3951da177e4SLinus Torvalds } 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds static void *r_start(struct seq_file *m, loff_t * pos) 3981da177e4SLinus Torvalds { 3991da177e4SLinus Torvalds struct proc_dir_entry *de = m->private; 4001da177e4SLinus Torvalds struct super_block *s = de->parent->data; 4011da177e4SLinus Torvalds loff_t l = *pos; 4021da177e4SLinus Torvalds 4031da177e4SLinus Torvalds if (l) 4041da177e4SLinus Torvalds return NULL; 4051da177e4SLinus Torvalds 4069249e17fSDavid Howells if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, 0, s))) 4071da177e4SLinus Torvalds return NULL; 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds up_write(&s->s_umount); 4101da177e4SLinus Torvalds return s; 4111da177e4SLinus Torvalds } 4121da177e4SLinus Torvalds 4131da177e4SLinus Torvalds static void *r_next(struct seq_file *m, void *v, loff_t * pos) 4141da177e4SLinus Torvalds { 4151da177e4SLinus Torvalds ++*pos; 4161da177e4SLinus Torvalds if (v) 4171da177e4SLinus Torvalds deactivate_super(v); 4181da177e4SLinus Torvalds return NULL; 4191da177e4SLinus Torvalds } 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds static void r_stop(struct seq_file *m, void *v) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds if (v) 4241da177e4SLinus Torvalds deactivate_super(v); 4251da177e4SLinus Torvalds } 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds static int r_show(struct seq_file *m, void *v) 4281da177e4SLinus Torvalds { 4291da177e4SLinus Torvalds struct proc_dir_entry *de = m->private; 4301da177e4SLinus Torvalds int (*show) (struct seq_file *, struct super_block *) = de->data; 4311da177e4SLinus Torvalds return show(m, v); 4321da177e4SLinus Torvalds } 4331da177e4SLinus Torvalds 434ec26e117SJan Engelhardt static const struct seq_operations r_ops = { 4351da177e4SLinus Torvalds .start = r_start, 4361da177e4SLinus Torvalds .next = r_next, 4371da177e4SLinus Torvalds .stop = r_stop, 4381da177e4SLinus Torvalds .show = r_show, 4391da177e4SLinus Torvalds }; 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds static int r_open(struct inode *inode, struct file *file) 4421da177e4SLinus Torvalds { 4431da177e4SLinus Torvalds int ret = seq_open(file, &r_ops); 4441da177e4SLinus Torvalds 4451da177e4SLinus Torvalds if (!ret) { 4461da177e4SLinus Torvalds struct seq_file *m = file->private_data; 4471da177e4SLinus Torvalds m->private = PDE(inode); 4481da177e4SLinus Torvalds } 4491da177e4SLinus Torvalds return ret; 4501da177e4SLinus Torvalds } 4511da177e4SLinus Torvalds 4524b6f5d20SArjan van de Ven static const struct file_operations r_file_operations = { 4531da177e4SLinus Torvalds .open = r_open, 4541da177e4SLinus Torvalds .read = seq_read, 4551da177e4SLinus Torvalds .llseek = seq_lseek, 4561da177e4SLinus Torvalds .release = seq_release, 45719b4fc52SDenis V. Lunev .owner = THIS_MODULE, 4581da177e4SLinus Torvalds }; 4591da177e4SLinus Torvalds 4601da177e4SLinus Torvalds static struct proc_dir_entry *proc_info_root = NULL; 4611da177e4SLinus Torvalds static const char proc_info_root_name[] = "fs/reiserfs"; 4621da177e4SLinus Torvalds 4631da177e4SLinus Torvalds static void add_file(struct super_block *sb, char *name, 4641da177e4SLinus Torvalds int (*func) (struct seq_file *, struct super_block *)) 4651da177e4SLinus Torvalds { 46619b4fc52SDenis V. Lunev proc_create_data(name, 0, REISERFS_SB(sb)->procdir, 46719b4fc52SDenis V. Lunev &r_file_operations, func); 4681da177e4SLinus Torvalds } 4691da177e4SLinus Torvalds 4701da177e4SLinus Torvalds int reiserfs_proc_info_init(struct super_block *sb) 4711da177e4SLinus Torvalds { 4726fbe82a9SJeff Mahoney char b[BDEVNAME_SIZE]; 4736fbe82a9SJeff Mahoney char *s; 4746fbe82a9SJeff Mahoney 4756fbe82a9SJeff Mahoney /* Some block devices use /'s */ 4766fbe82a9SJeff Mahoney strlcpy(b, reiserfs_bdevname(sb), BDEVNAME_SIZE); 4776fbe82a9SJeff Mahoney s = strchr(b, '/'); 4786fbe82a9SJeff Mahoney if (s) 4796fbe82a9SJeff Mahoney *s = '!'; 4806fbe82a9SJeff Mahoney 4811da177e4SLinus Torvalds spin_lock_init(&__PINFO(sb).lock); 482270b5ac2SDavid Howells REISERFS_SB(sb)->procdir = proc_mkdir_data(b, 0, proc_info_root, sb); 4831da177e4SLinus Torvalds if (REISERFS_SB(sb)->procdir) { 4841da177e4SLinus Torvalds add_file(sb, "version", show_version); 4851da177e4SLinus Torvalds add_file(sb, "super", show_super); 4861da177e4SLinus Torvalds add_file(sb, "per-level", show_per_level); 4871da177e4SLinus Torvalds add_file(sb, "bitmap", show_bitmap); 4881da177e4SLinus Torvalds add_file(sb, "on-disk-super", show_on_disk_super); 4891da177e4SLinus Torvalds add_file(sb, "oidmap", show_oidmap); 4901da177e4SLinus Torvalds add_file(sb, "journal", show_journal); 4911da177e4SLinus Torvalds return 0; 4921da177e4SLinus Torvalds } 49345b03d5eSJeff Mahoney reiserfs_warning(sb, "cannot create /proc/%s/%s", 4946fbe82a9SJeff Mahoney proc_info_root_name, b); 4951da177e4SLinus Torvalds return 1; 4961da177e4SLinus Torvalds } 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds int reiserfs_proc_info_done(struct super_block *sb) 4991da177e4SLinus Torvalds { 5001da177e4SLinus Torvalds struct proc_dir_entry *de = REISERFS_SB(sb)->procdir; 501121daf5fSAl Viro if (de) { 5026fbe82a9SJeff Mahoney char b[BDEVNAME_SIZE]; 5036fbe82a9SJeff Mahoney char *s; 5046fbe82a9SJeff Mahoney 5056fbe82a9SJeff Mahoney /* Some block devices use /'s */ 5066fbe82a9SJeff Mahoney strlcpy(b, reiserfs_bdevname(sb), BDEVNAME_SIZE); 5076fbe82a9SJeff Mahoney s = strchr(b, '/'); 5086fbe82a9SJeff Mahoney if (s) 5096fbe82a9SJeff Mahoney *s = '!'; 5106fbe82a9SJeff Mahoney 511121daf5fSAl Viro remove_proc_subtree(b, proc_info_root); 5121da177e4SLinus Torvalds REISERFS_SB(sb)->procdir = NULL; 5131da177e4SLinus Torvalds } 5141da177e4SLinus Torvalds return 0; 5151da177e4SLinus Torvalds } 5161da177e4SLinus Torvalds 5171da177e4SLinus Torvalds int reiserfs_proc_info_global_init(void) 5181da177e4SLinus Torvalds { 5191da177e4SLinus Torvalds if (proc_info_root == NULL) { 5201da177e4SLinus Torvalds proc_info_root = proc_mkdir(proc_info_root_name, NULL); 52199b76233SAlexey Dobriyan if (!proc_info_root) { 52245b03d5eSJeff Mahoney reiserfs_warning(NULL, "cannot create /proc/%s", 5231da177e4SLinus Torvalds proc_info_root_name); 5241da177e4SLinus Torvalds return 1; 5251da177e4SLinus Torvalds } 5261da177e4SLinus Torvalds } 5271da177e4SLinus Torvalds return 0; 5281da177e4SLinus Torvalds } 5291da177e4SLinus Torvalds 5301da177e4SLinus Torvalds int reiserfs_proc_info_global_done(void) 5311da177e4SLinus Torvalds { 5321da177e4SLinus Torvalds if (proc_info_root != NULL) { 5331da177e4SLinus Torvalds proc_info_root = NULL; 5341da177e4SLinus Torvalds remove_proc_entry(proc_info_root_name, NULL); 5351da177e4SLinus Torvalds } 5361da177e4SLinus Torvalds return 0; 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds /* 5391da177e4SLinus Torvalds * Revision 1.1.8.2 2001/07/15 17:08:42 god 5401da177e4SLinus Torvalds * . use get_super() in procfs.c 5411da177e4SLinus Torvalds * . remove remove_save_link() from reiserfs_do_truncate() 5421da177e4SLinus Torvalds * 5431da177e4SLinus Torvalds * I accept terms and conditions stated in the Legal Agreement 5441da177e4SLinus Torvalds * (available at http://www.namesys.com/legalese.html) 5451da177e4SLinus Torvalds * 5461da177e4SLinus Torvalds * Revision 1.1.8.1 2001/07/11 16:48:50 god 5471da177e4SLinus Torvalds * proc info support 5481da177e4SLinus Torvalds * 5491da177e4SLinus Torvalds * I accept terms and conditions stated in the Legal Agreement 5501da177e4SLinus Torvalds * (available at http://www.namesys.com/legalese.html) 5511da177e4SLinus Torvalds * 5521da177e4SLinus Torvalds */ 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds /* 5551da177e4SLinus Torvalds * Make Linus happy. 5561da177e4SLinus Torvalds * Local variables: 5571da177e4SLinus Torvalds * c-indentation-style: "K&R" 5581da177e4SLinus Torvalds * mode-name: "LC" 5591da177e4SLinus Torvalds * c-basic-offset: 8 5601da177e4SLinus Torvalds * tab-width: 8 5611da177e4SLinus Torvalds * End: 5621da177e4SLinus Torvalds */ 563