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/config.h> 141da177e4SLinus Torvalds #include <linux/module.h> 151da177e4SLinus Torvalds #include <linux/time.h> 161da177e4SLinus Torvalds #include <linux/seq_file.h> 171da177e4SLinus Torvalds #include <asm/uaccess.h> 181da177e4SLinus Torvalds #include <linux/reiserfs_fs.h> 191da177e4SLinus Torvalds #include <linux/reiserfs_fs_sb.h> 201da177e4SLinus Torvalds #include <linux/smp_lock.h> 211da177e4SLinus Torvalds #include <linux/init.h> 221da177e4SLinus Torvalds #include <linux/proc_fs.h> 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds #if defined( REISERFS_PROC_INFO ) 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds /* 271da177e4SLinus Torvalds * LOCKING: 281da177e4SLinus Torvalds * 291da177e4SLinus Torvalds * We rely on new Alexander Viro's super-block locking. 301da177e4SLinus Torvalds * 311da177e4SLinus Torvalds */ 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds static int show_version(struct seq_file *m, struct super_block *sb) 341da177e4SLinus Torvalds { 351da177e4SLinus Torvalds char *format; 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds if ( REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6) ) { 381da177e4SLinus Torvalds format = "3.6"; 391da177e4SLinus Torvalds } else if ( REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_5) ) { 401da177e4SLinus Torvalds format = "3.5"; 411da177e4SLinus Torvalds } else { 421da177e4SLinus Torvalds format = "unknown"; 431da177e4SLinus Torvalds } 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds seq_printf(m, "%s format\twith checks %s\n", 461da177e4SLinus Torvalds format, 471da177e4SLinus Torvalds #if defined( CONFIG_REISERFS_CHECK ) 481da177e4SLinus Torvalds "on" 491da177e4SLinus Torvalds #else 501da177e4SLinus Torvalds "off" 511da177e4SLinus Torvalds #endif 521da177e4SLinus Torvalds ); 531da177e4SLinus Torvalds return 0; 541da177e4SLinus Torvalds } 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds int reiserfs_global_version_in_proc( char *buffer, char **start, off_t offset, 571da177e4SLinus Torvalds int count, int *eof, void *data ) 581da177e4SLinus Torvalds { 591da177e4SLinus Torvalds *start = buffer; 601da177e4SLinus Torvalds *eof = 1; 611da177e4SLinus Torvalds return 0; 621da177e4SLinus Torvalds } 631da177e4SLinus Torvalds 641da177e4SLinus Torvalds #define SF( x ) ( r -> x ) 651da177e4SLinus Torvalds #define SFP( x ) SF( s_proc_info_data.x ) 661da177e4SLinus Torvalds #define SFPL( x ) SFP( x[ level ] ) 671da177e4SLinus Torvalds #define SFPF( x ) SFP( scan_bitmap.x ) 681da177e4SLinus Torvalds #define SFPJ( x ) SFP( journal.x ) 691da177e4SLinus Torvalds 701da177e4SLinus Torvalds #define D2C( x ) le16_to_cpu( x ) 711da177e4SLinus Torvalds #define D4C( x ) le32_to_cpu( x ) 721da177e4SLinus Torvalds #define DF( x ) D2C( rs -> s_v1.x ) 731da177e4SLinus Torvalds #define DFL( x ) D4C( rs -> s_v1.x ) 741da177e4SLinus Torvalds 751da177e4SLinus Torvalds #define objectid_map( s, rs ) (old_format_only (s) ? \ 763e8962beSAl Viro (__le32 *)((struct reiserfs_super_block_v1 *)rs + 1) : \ 773e8962beSAl Viro (__le32 *)(rs + 1)) 781da177e4SLinus Torvalds #define MAP( i ) D4C( objectid_map( sb, rs )[ i ] ) 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds #define DJF( x ) le32_to_cpu( rs -> x ) 811da177e4SLinus Torvalds #define DJV( x ) le32_to_cpu( s_v1 -> x ) 821da177e4SLinus Torvalds #define DJP( x ) le32_to_cpu( jp -> x ) 831da177e4SLinus Torvalds #define JF( x ) ( r -> s_journal -> x ) 841da177e4SLinus Torvalds 851da177e4SLinus Torvalds static int show_super(struct seq_file *m, struct super_block *sb) 861da177e4SLinus Torvalds { 871da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds seq_printf(m, "state: \t%s\n" 901da177e4SLinus Torvalds "mount options: \t%s%s%s%s%s%s%s%s%s%s%s\n" 911da177e4SLinus Torvalds "gen. counter: \t%i\n" 921da177e4SLinus Torvalds "s_kmallocs: \t%i\n" 931da177e4SLinus Torvalds "s_disk_reads: \t%i\n" 941da177e4SLinus Torvalds "s_disk_writes: \t%i\n" 951da177e4SLinus Torvalds "s_fix_nodes: \t%i\n" 961da177e4SLinus Torvalds "s_do_balance: \t%i\n" 971da177e4SLinus Torvalds "s_unneeded_left_neighbor: \t%i\n" 981da177e4SLinus Torvalds "s_good_search_by_key_reada: \t%i\n" 991da177e4SLinus Torvalds "s_bmaps: \t%i\n" 1001da177e4SLinus Torvalds "s_bmaps_without_search: \t%i\n" 1011da177e4SLinus Torvalds "s_direct2indirect: \t%i\n" 1021da177e4SLinus Torvalds "s_indirect2direct: \t%i\n" 1031da177e4SLinus Torvalds "\n" 1041da177e4SLinus Torvalds "max_hash_collisions: \t%i\n" 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds "breads: \t%lu\n" 1071da177e4SLinus Torvalds "bread_misses: \t%lu\n" 1081da177e4SLinus Torvalds 1091da177e4SLinus Torvalds "search_by_key: \t%lu\n" 1101da177e4SLinus Torvalds "search_by_key_fs_changed: \t%lu\n" 1111da177e4SLinus Torvalds "search_by_key_restarted: \t%lu\n" 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds "insert_item_restarted: \t%lu\n" 1141da177e4SLinus Torvalds "paste_into_item_restarted: \t%lu\n" 1151da177e4SLinus Torvalds "cut_from_item_restarted: \t%lu\n" 1161da177e4SLinus Torvalds "delete_solid_item_restarted: \t%lu\n" 1171da177e4SLinus Torvalds "delete_item_restarted: \t%lu\n" 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds "leaked_oid: \t%lu\n" 1201da177e4SLinus Torvalds "leaves_removable: \t%lu\n", 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvalds SF( s_mount_state ) == REISERFS_VALID_FS ? 1231da177e4SLinus Torvalds "REISERFS_VALID_FS" : "REISERFS_ERROR_FS", 1241da177e4SLinus Torvalds reiserfs_r5_hash( sb ) ? "FORCE_R5 " : "", 1251da177e4SLinus Torvalds reiserfs_rupasov_hash( sb ) ? "FORCE_RUPASOV " : "", 1261da177e4SLinus Torvalds reiserfs_tea_hash( sb ) ? "FORCE_TEA " : "", 1271da177e4SLinus Torvalds reiserfs_hash_detect( sb ) ? "DETECT_HASH " : "", 1281da177e4SLinus Torvalds reiserfs_no_border( sb ) ? "NO_BORDER " : "BORDER ", 1291da177e4SLinus Torvalds reiserfs_no_unhashed_relocation( sb ) ? "NO_UNHASHED_RELOCATION " : "", 1301da177e4SLinus Torvalds reiserfs_hashed_relocation( sb ) ? "UNHASHED_RELOCATION " : "", 1311da177e4SLinus Torvalds reiserfs_test4( sb ) ? "TEST4 " : "", 1321da177e4SLinus Torvalds have_large_tails( sb ) ? "TAILS " : have_small_tails(sb)?"SMALL_TAILS ":"NO_TAILS ", 1331da177e4SLinus Torvalds replay_only( sb ) ? "REPLAY_ONLY " : "", 1341da177e4SLinus Torvalds convert_reiserfs( sb ) ? "CONV " : "", 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvalds atomic_read( &r -> s_generation_counter ), 1371da177e4SLinus Torvalds SF( s_kmallocs ), 1381da177e4SLinus Torvalds SF( s_disk_reads ), 1391da177e4SLinus Torvalds SF( s_disk_writes ), 1401da177e4SLinus Torvalds SF( s_fix_nodes ), 1411da177e4SLinus Torvalds SF( s_do_balance ), 1421da177e4SLinus Torvalds SF( s_unneeded_left_neighbor ), 1431da177e4SLinus Torvalds SF( s_good_search_by_key_reada ), 1441da177e4SLinus Torvalds SF( s_bmaps ), 1451da177e4SLinus Torvalds SF( s_bmaps_without_search ), 1461da177e4SLinus Torvalds SF( s_direct2indirect ), 1471da177e4SLinus Torvalds SF( s_indirect2direct ), 1481da177e4SLinus Torvalds SFP( max_hash_collisions ), 1491da177e4SLinus Torvalds SFP( breads ), 1501da177e4SLinus Torvalds SFP( bread_miss ), 1511da177e4SLinus Torvalds SFP( search_by_key ), 1521da177e4SLinus Torvalds SFP( search_by_key_fs_changed ), 1531da177e4SLinus Torvalds SFP( search_by_key_restarted ), 1541da177e4SLinus Torvalds 1551da177e4SLinus Torvalds SFP( insert_item_restarted ), 1561da177e4SLinus Torvalds SFP( paste_into_item_restarted ), 1571da177e4SLinus Torvalds SFP( cut_from_item_restarted ), 1581da177e4SLinus Torvalds SFP( delete_solid_item_restarted ), 1591da177e4SLinus Torvalds SFP( delete_item_restarted ), 1601da177e4SLinus Torvalds 1611da177e4SLinus Torvalds SFP( leaked_oid ), 1621da177e4SLinus Torvalds SFP( leaves_removable ) ); 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds return 0; 1651da177e4SLinus Torvalds } 1661da177e4SLinus Torvalds 1671da177e4SLinus Torvalds static int show_per_level(struct seq_file *m, struct super_block *sb) 1681da177e4SLinus Torvalds { 1691da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 1701da177e4SLinus Torvalds int level; 1711da177e4SLinus Torvalds 1721da177e4SLinus Torvalds seq_printf(m, "level\t" 1731da177e4SLinus Torvalds " balances" 1741da177e4SLinus Torvalds " [sbk: reads" 1751da177e4SLinus Torvalds " fs_changed" 1761da177e4SLinus Torvalds " restarted]" 1771da177e4SLinus Torvalds " free space" 1781da177e4SLinus Torvalds " items" 1791da177e4SLinus Torvalds " can_remove" 1801da177e4SLinus Torvalds " lnum" 1811da177e4SLinus Torvalds " rnum" 1821da177e4SLinus Torvalds " lbytes" 1831da177e4SLinus Torvalds " rbytes" 1841da177e4SLinus Torvalds " get_neig" 1851da177e4SLinus Torvalds " get_neig_res" 1861da177e4SLinus Torvalds " need_l_neig" 1871da177e4SLinus Torvalds " need_r_neig" 1881da177e4SLinus Torvalds "\n" 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds ); 1911da177e4SLinus Torvalds 1921da177e4SLinus Torvalds for( level = 0 ; level < MAX_HEIGHT ; ++ level ) { 1931da177e4SLinus Torvalds seq_printf(m, "%i\t" 1941da177e4SLinus Torvalds " %12lu" 1951da177e4SLinus Torvalds " %12lu" 1961da177e4SLinus Torvalds " %12lu" 1971da177e4SLinus Torvalds " %12lu" 1981da177e4SLinus Torvalds " %12lu" 1991da177e4SLinus Torvalds " %12lu" 2001da177e4SLinus Torvalds " %12lu" 2011da177e4SLinus Torvalds " %12li" 2021da177e4SLinus Torvalds " %12li" 2031da177e4SLinus Torvalds " %12li" 2041da177e4SLinus Torvalds " %12li" 2051da177e4SLinus Torvalds " %12lu" 2061da177e4SLinus Torvalds " %12lu" 2071da177e4SLinus Torvalds " %12lu" 2081da177e4SLinus Torvalds " %12lu" 2091da177e4SLinus Torvalds "\n", 2101da177e4SLinus Torvalds level, 2111da177e4SLinus Torvalds SFPL( balance_at ), 2121da177e4SLinus Torvalds SFPL( sbk_read_at ), 2131da177e4SLinus Torvalds SFPL( sbk_fs_changed ), 2141da177e4SLinus Torvalds SFPL( sbk_restarted ), 2151da177e4SLinus Torvalds SFPL( free_at ), 2161da177e4SLinus Torvalds SFPL( items_at ), 2171da177e4SLinus Torvalds SFPL( can_node_be_removed ), 2181da177e4SLinus Torvalds SFPL( lnum ), 2191da177e4SLinus Torvalds SFPL( rnum ), 2201da177e4SLinus Torvalds SFPL( lbytes ), 2211da177e4SLinus Torvalds SFPL( rbytes ), 2221da177e4SLinus Torvalds SFPL( get_neighbors ), 2231da177e4SLinus Torvalds SFPL( get_neighbors_restart ), 2241da177e4SLinus Torvalds SFPL( need_l_neighbor ), 2251da177e4SLinus Torvalds SFPL( need_r_neighbor ) 2261da177e4SLinus Torvalds ); 2271da177e4SLinus Torvalds } 2281da177e4SLinus Torvalds return 0; 2291da177e4SLinus Torvalds } 2301da177e4SLinus Torvalds 2311da177e4SLinus Torvalds static int show_bitmap(struct seq_file *m, struct super_block *sb) 2321da177e4SLinus Torvalds { 2331da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds seq_printf(m, "free_block: %lu\n" 2361da177e4SLinus Torvalds " scan_bitmap:" 2371da177e4SLinus Torvalds " wait" 2381da177e4SLinus Torvalds " bmap" 2391da177e4SLinus Torvalds " retry" 2401da177e4SLinus Torvalds " stolen" 2411da177e4SLinus Torvalds " journal_hint" 2421da177e4SLinus Torvalds "journal_nohint" 2431da177e4SLinus Torvalds "\n" 2441da177e4SLinus Torvalds " %14lu" 2451da177e4SLinus Torvalds " %14lu" 2461da177e4SLinus Torvalds " %14lu" 2471da177e4SLinus Torvalds " %14lu" 2481da177e4SLinus Torvalds " %14lu" 2491da177e4SLinus Torvalds " %14lu" 2501da177e4SLinus Torvalds " %14lu" 2511da177e4SLinus Torvalds "\n", 2521da177e4SLinus Torvalds SFP( free_block ), 2531da177e4SLinus Torvalds SFPF( call ), 2541da177e4SLinus Torvalds SFPF( wait ), 2551da177e4SLinus Torvalds SFPF( bmap ), 2561da177e4SLinus Torvalds SFPF( retry ), 2571da177e4SLinus Torvalds SFPF( stolen ), 2581da177e4SLinus Torvalds SFPF( in_journal_hint ), 2591da177e4SLinus Torvalds SFPF( in_journal_nohint ) ); 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds return 0; 2621da177e4SLinus Torvalds } 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds static int show_on_disk_super(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 int hash_code = DFL( s_hash_function_code ); 2691da177e4SLinus Torvalds __u32 flags = DJF( s_flags ); 2701da177e4SLinus Torvalds 2711da177e4SLinus Torvalds seq_printf(m, "block_count: \t%i\n" 2721da177e4SLinus Torvalds "free_blocks: \t%i\n" 2731da177e4SLinus Torvalds "root_block: \t%i\n" 2741da177e4SLinus Torvalds "blocksize: \t%i\n" 2751da177e4SLinus Torvalds "oid_maxsize: \t%i\n" 2761da177e4SLinus Torvalds "oid_cursize: \t%i\n" 2771da177e4SLinus Torvalds "umount_state: \t%i\n" 2781da177e4SLinus Torvalds "magic: \t%10.10s\n" 2791da177e4SLinus Torvalds "fs_state: \t%i\n" 2801da177e4SLinus Torvalds "hash: \t%s\n" 2811da177e4SLinus Torvalds "tree_height: \t%i\n" 2821da177e4SLinus Torvalds "bmap_nr: \t%i\n" 2831da177e4SLinus Torvalds "version: \t%i\n" 2841da177e4SLinus Torvalds "flags: \t%x[%s]\n" 2851da177e4SLinus Torvalds "reserved_for_journal: \t%i\n", 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds DFL( s_block_count ), 2881da177e4SLinus Torvalds DFL( s_free_blocks ), 2891da177e4SLinus Torvalds DFL( s_root_block ), 2901da177e4SLinus Torvalds DF( s_blocksize ), 2911da177e4SLinus Torvalds DF( s_oid_maxsize ), 2921da177e4SLinus Torvalds DF( s_oid_cursize ), 2931da177e4SLinus Torvalds DF( s_umount_state ), 2941da177e4SLinus Torvalds rs -> s_v1.s_magic, 2951da177e4SLinus Torvalds DF( s_fs_state ), 2961da177e4SLinus Torvalds hash_code == TEA_HASH ? "tea" : 2971da177e4SLinus Torvalds ( hash_code == YURA_HASH ) ? "rupasov" : 2981da177e4SLinus Torvalds ( hash_code == R5_HASH ) ? "r5" : 2991da177e4SLinus Torvalds ( hash_code == UNSET_HASH ) ? "unset" : "unknown", 3001da177e4SLinus Torvalds DF( s_tree_height ), 3011da177e4SLinus Torvalds DF( s_bmap_nr ), 3021da177e4SLinus Torvalds DF( s_version ), 3031da177e4SLinus Torvalds flags, 3041da177e4SLinus Torvalds ( flags & reiserfs_attrs_cleared ) 3051da177e4SLinus Torvalds ? "attrs_cleared" : "", 3061da177e4SLinus Torvalds DF (s_reserved_for_journal)); 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds return 0; 3091da177e4SLinus Torvalds } 3101da177e4SLinus Torvalds 3111da177e4SLinus Torvalds static int show_oidmap(struct seq_file *m, struct super_block *sb) 3121da177e4SLinus Torvalds { 3131da177e4SLinus Torvalds struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); 3141da177e4SLinus Torvalds struct reiserfs_super_block *rs = sb_info -> s_rs; 3151da177e4SLinus Torvalds unsigned int mapsize = le16_to_cpu( rs -> s_v1.s_oid_cursize ); 3161da177e4SLinus Torvalds unsigned long total_used = 0; 3171da177e4SLinus Torvalds int i; 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvalds for( i = 0 ; i < mapsize ; ++i ) { 3201da177e4SLinus Torvalds __u32 right; 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds right = ( i == mapsize - 1 ) ? MAX_KEY_OBJECTID : MAP( i + 1 ); 3231da177e4SLinus Torvalds seq_printf(m, "%s: [ %x .. %x )\n", 3241da177e4SLinus Torvalds ( i & 1 ) ? "free" : "used", MAP( i ), right ); 3251da177e4SLinus Torvalds if( ! ( i & 1 ) ) { 3261da177e4SLinus Torvalds total_used += right - MAP( i ); 3271da177e4SLinus Torvalds } 3281da177e4SLinus Torvalds } 3291da177e4SLinus Torvalds #if defined( REISERFS_USE_OIDMAPF ) 3301da177e4SLinus Torvalds if( sb_info -> oidmap.use_file && ( sb_info -> oidmap.mapf != NULL ) ) { 3311da177e4SLinus Torvalds loff_t size = sb_info->oidmap.mapf->f_dentry->d_inode->i_size; 3321da177e4SLinus Torvalds total_used += size / sizeof( reiserfs_oidinterval_d_t ); 3331da177e4SLinus Torvalds } 3341da177e4SLinus Torvalds #endif 3351da177e4SLinus Torvalds seq_printf(m, "total: \t%i [%i/%i] used: %lu [exact]\n", 3361da177e4SLinus Torvalds mapsize, 3371da177e4SLinus Torvalds mapsize, le16_to_cpu( rs -> s_v1.s_oid_maxsize ), 3381da177e4SLinus Torvalds total_used); 3391da177e4SLinus Torvalds return 0; 3401da177e4SLinus Torvalds } 3411da177e4SLinus Torvalds 3421da177e4SLinus Torvalds static int show_journal(struct seq_file *m, struct super_block *sb) 3431da177e4SLinus Torvalds { 3441da177e4SLinus Torvalds struct reiserfs_sb_info *r = REISERFS_SB(sb); 3451da177e4SLinus Torvalds struct reiserfs_super_block *rs = r -> s_rs; 3461da177e4SLinus Torvalds struct journal_params *jp = &rs->s_v1.s_journal; 3471da177e4SLinus Torvalds char b[BDEVNAME_SIZE]; 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds seq_printf(m, /* on-disk fields */ 3511da177e4SLinus Torvalds "jp_journal_1st_block: \t%i\n" 3521da177e4SLinus Torvalds "jp_journal_dev: \t%s[%x]\n" 3531da177e4SLinus Torvalds "jp_journal_size: \t%i\n" 3541da177e4SLinus Torvalds "jp_journal_trans_max: \t%i\n" 3551da177e4SLinus Torvalds "jp_journal_magic: \t%i\n" 3561da177e4SLinus Torvalds "jp_journal_max_batch: \t%i\n" 3571da177e4SLinus Torvalds "jp_journal_max_commit_age: \t%i\n" 3581da177e4SLinus Torvalds "jp_journal_max_trans_age: \t%i\n" 3591da177e4SLinus Torvalds /* incore fields */ 3601da177e4SLinus Torvalds "j_1st_reserved_block: \t%i\n" 3611da177e4SLinus Torvalds "j_state: \t%li\n" 3621da177e4SLinus Torvalds "j_trans_id: \t%lu\n" 3631da177e4SLinus Torvalds "j_mount_id: \t%lu\n" 3641da177e4SLinus Torvalds "j_start: \t%lu\n" 3651da177e4SLinus Torvalds "j_len: \t%lu\n" 3661da177e4SLinus Torvalds "j_len_alloc: \t%lu\n" 3671da177e4SLinus Torvalds "j_wcount: \t%i\n" 3681da177e4SLinus Torvalds "j_bcount: \t%lu\n" 3691da177e4SLinus Torvalds "j_first_unflushed_offset: \t%lu\n" 3701da177e4SLinus Torvalds "j_last_flush_trans_id: \t%lu\n" 3711da177e4SLinus Torvalds "j_trans_start_time: \t%li\n" 3721da177e4SLinus Torvalds "j_list_bitmap_index: \t%i\n" 3731da177e4SLinus Torvalds "j_must_wait: \t%i\n" 3741da177e4SLinus Torvalds "j_next_full_flush: \t%i\n" 3751da177e4SLinus Torvalds "j_next_async_flush: \t%i\n" 3761da177e4SLinus Torvalds "j_cnode_used: \t%i\n" 3771da177e4SLinus Torvalds "j_cnode_free: \t%i\n" 3781da177e4SLinus Torvalds "\n" 3791da177e4SLinus Torvalds /* reiserfs_proc_info_data_t.journal fields */ 3801da177e4SLinus Torvalds "in_journal: \t%12lu\n" 3811da177e4SLinus Torvalds "in_journal_bitmap: \t%12lu\n" 3821da177e4SLinus Torvalds "in_journal_reusable: \t%12lu\n" 3831da177e4SLinus Torvalds "lock_journal: \t%12lu\n" 3841da177e4SLinus Torvalds "lock_journal_wait: \t%12lu\n" 3851da177e4SLinus Torvalds "journal_begin: \t%12lu\n" 3861da177e4SLinus Torvalds "journal_relock_writers: \t%12lu\n" 3871da177e4SLinus Torvalds "journal_relock_wcount: \t%12lu\n" 3881da177e4SLinus Torvalds "mark_dirty: \t%12lu\n" 3891da177e4SLinus Torvalds "mark_dirty_already: \t%12lu\n" 3901da177e4SLinus Torvalds "mark_dirty_notjournal: \t%12lu\n" 3911da177e4SLinus Torvalds "restore_prepared: \t%12lu\n" 3921da177e4SLinus Torvalds "prepare: \t%12lu\n" 3931da177e4SLinus Torvalds "prepare_retry: \t%12lu\n", 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds DJP( jp_journal_1st_block ), 3961da177e4SLinus Torvalds bdevname(SB_JOURNAL(sb)->j_dev_bd, b), 3971da177e4SLinus Torvalds DJP( jp_journal_dev ), 3981da177e4SLinus Torvalds DJP( jp_journal_size ), 3991da177e4SLinus Torvalds DJP( jp_journal_trans_max ), 4001da177e4SLinus Torvalds DJP( jp_journal_magic ), 4011da177e4SLinus Torvalds DJP( jp_journal_max_batch ), 4021da177e4SLinus Torvalds SB_JOURNAL(sb)->j_max_commit_age, 4031da177e4SLinus Torvalds DJP( jp_journal_max_trans_age ), 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds JF( j_1st_reserved_block ), 4061da177e4SLinus Torvalds JF( j_state ), 4071da177e4SLinus Torvalds JF( j_trans_id ), 4081da177e4SLinus Torvalds JF( j_mount_id ), 4091da177e4SLinus Torvalds JF( j_start ), 4101da177e4SLinus Torvalds JF( j_len ), 4111da177e4SLinus Torvalds JF( j_len_alloc ), 4121da177e4SLinus Torvalds atomic_read( & r -> s_journal -> j_wcount ), 4131da177e4SLinus Torvalds JF( j_bcount ), 4141da177e4SLinus Torvalds JF( j_first_unflushed_offset ), 4151da177e4SLinus Torvalds JF( j_last_flush_trans_id ), 4161da177e4SLinus Torvalds JF( j_trans_start_time ), 4171da177e4SLinus Torvalds JF( j_list_bitmap_index ), 4181da177e4SLinus Torvalds JF( j_must_wait ), 4191da177e4SLinus Torvalds JF( j_next_full_flush ), 4201da177e4SLinus Torvalds JF( j_next_async_flush ), 4211da177e4SLinus Torvalds JF( j_cnode_used ), 4221da177e4SLinus Torvalds JF( j_cnode_free ), 4231da177e4SLinus Torvalds 4241da177e4SLinus Torvalds SFPJ( in_journal ), 4251da177e4SLinus Torvalds SFPJ( in_journal_bitmap ), 4261da177e4SLinus Torvalds SFPJ( in_journal_reusable ), 4271da177e4SLinus Torvalds SFPJ( lock_journal ), 4281da177e4SLinus Torvalds SFPJ( lock_journal_wait ), 4291da177e4SLinus Torvalds SFPJ( journal_being ), 4301da177e4SLinus Torvalds SFPJ( journal_relock_writers ), 4311da177e4SLinus Torvalds SFPJ( journal_relock_wcount ), 4321da177e4SLinus Torvalds SFPJ( mark_dirty ), 4331da177e4SLinus Torvalds SFPJ( mark_dirty_already ), 4341da177e4SLinus Torvalds SFPJ( mark_dirty_notjournal ), 4351da177e4SLinus Torvalds SFPJ( restore_prepared ), 4361da177e4SLinus Torvalds SFPJ( prepare ), 4371da177e4SLinus Torvalds SFPJ( prepare_retry ) 4381da177e4SLinus Torvalds ); 4391da177e4SLinus Torvalds return 0; 4401da177e4SLinus Torvalds } 4411da177e4SLinus Torvalds 4421da177e4SLinus Torvalds /* iterator */ 4431da177e4SLinus Torvalds static int test_sb(struct super_block *sb, void *data) 4441da177e4SLinus Torvalds { 4451da177e4SLinus Torvalds return data == sb; 4461da177e4SLinus Torvalds } 4471da177e4SLinus Torvalds 4481da177e4SLinus Torvalds static int set_sb(struct super_block *sb, void *data) 4491da177e4SLinus Torvalds { 4501da177e4SLinus Torvalds return -ENOENT; 4511da177e4SLinus Torvalds } 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds static void *r_start(struct seq_file *m, loff_t *pos) 4541da177e4SLinus Torvalds { 4551da177e4SLinus Torvalds struct proc_dir_entry *de = m->private; 4561da177e4SLinus Torvalds struct super_block *s = de->parent->data; 4571da177e4SLinus Torvalds loff_t l = *pos; 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds if (l) 4601da177e4SLinus Torvalds return NULL; 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, s))) 4631da177e4SLinus Torvalds return NULL; 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds up_write(&s->s_umount); 4661da177e4SLinus Torvalds 4671da177e4SLinus Torvalds if (de->deleted) { 4681da177e4SLinus Torvalds deactivate_super(s); 4691da177e4SLinus Torvalds return NULL; 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds return s; 4731da177e4SLinus Torvalds } 4741da177e4SLinus Torvalds 4751da177e4SLinus Torvalds static void *r_next(struct seq_file *m, void *v, loff_t *pos) 4761da177e4SLinus Torvalds { 4771da177e4SLinus Torvalds ++*pos; 4781da177e4SLinus Torvalds if (v) 4791da177e4SLinus Torvalds deactivate_super(v); 4801da177e4SLinus Torvalds return NULL; 4811da177e4SLinus Torvalds } 4821da177e4SLinus Torvalds 4831da177e4SLinus Torvalds static void r_stop(struct seq_file *m, void *v) 4841da177e4SLinus Torvalds { 4851da177e4SLinus Torvalds if (v) 4861da177e4SLinus Torvalds deactivate_super(v); 4871da177e4SLinus Torvalds } 4881da177e4SLinus Torvalds 4891da177e4SLinus Torvalds static int r_show(struct seq_file *m, void *v) 4901da177e4SLinus Torvalds { 4911da177e4SLinus Torvalds struct proc_dir_entry *de = m->private; 4921da177e4SLinus Torvalds int (*show)(struct seq_file *, struct super_block *) = de->data; 4931da177e4SLinus Torvalds return show(m, v); 4941da177e4SLinus Torvalds } 4951da177e4SLinus Torvalds 4961da177e4SLinus Torvalds static struct seq_operations r_ops = { 4971da177e4SLinus Torvalds .start = r_start, 4981da177e4SLinus Torvalds .next = r_next, 4991da177e4SLinus Torvalds .stop = r_stop, 5001da177e4SLinus Torvalds .show = r_show, 5011da177e4SLinus Torvalds }; 5021da177e4SLinus Torvalds 5031da177e4SLinus Torvalds static int r_open(struct inode *inode, struct file *file) 5041da177e4SLinus Torvalds { 5051da177e4SLinus Torvalds int ret = seq_open(file, &r_ops); 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds if (!ret) { 5081da177e4SLinus Torvalds struct seq_file *m = file->private_data; 5091da177e4SLinus Torvalds m->private = PDE(inode); 5101da177e4SLinus Torvalds } 5111da177e4SLinus Torvalds return ret; 5121da177e4SLinus Torvalds } 5131da177e4SLinus Torvalds 5141da177e4SLinus Torvalds static struct file_operations r_file_operations = { 5151da177e4SLinus Torvalds .open = r_open, 5161da177e4SLinus Torvalds .read = seq_read, 5171da177e4SLinus Torvalds .llseek = seq_lseek, 5181da177e4SLinus Torvalds .release = seq_release, 5191da177e4SLinus Torvalds }; 5201da177e4SLinus Torvalds 5211da177e4SLinus Torvalds static struct proc_dir_entry *proc_info_root = NULL; 5221da177e4SLinus Torvalds static const char proc_info_root_name[] = "fs/reiserfs"; 5231da177e4SLinus Torvalds 5241da177e4SLinus Torvalds static void add_file(struct super_block *sb, char *name, 5251da177e4SLinus Torvalds int (*func)(struct seq_file *, struct super_block *)) 5261da177e4SLinus Torvalds { 5271da177e4SLinus Torvalds struct proc_dir_entry *de; 5281da177e4SLinus Torvalds de = create_proc_entry(name, 0, REISERFS_SB(sb)->procdir); 5291da177e4SLinus Torvalds if (de) { 5301da177e4SLinus Torvalds de->data = func; 5311da177e4SLinus Torvalds de->proc_fops = &r_file_operations; 5321da177e4SLinus Torvalds } 5331da177e4SLinus Torvalds } 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvalds int reiserfs_proc_info_init( struct super_block *sb ) 5361da177e4SLinus Torvalds { 5371da177e4SLinus Torvalds spin_lock_init( & __PINFO( sb ).lock ); 5381da177e4SLinus Torvalds REISERFS_SB(sb)->procdir = proc_mkdir(reiserfs_bdevname (sb), proc_info_root); 5391da177e4SLinus Torvalds if( REISERFS_SB(sb)->procdir ) { 5401da177e4SLinus Torvalds REISERFS_SB(sb)->procdir->owner = THIS_MODULE; 5411da177e4SLinus Torvalds REISERFS_SB(sb)->procdir->data = sb; 5421da177e4SLinus Torvalds add_file(sb, "version", show_version); 5431da177e4SLinus Torvalds add_file(sb, "super", show_super); 5441da177e4SLinus Torvalds add_file(sb, "per-level", show_per_level); 5451da177e4SLinus Torvalds add_file(sb, "bitmap", show_bitmap); 5461da177e4SLinus Torvalds add_file(sb, "on-disk-super", show_on_disk_super); 5471da177e4SLinus Torvalds add_file(sb, "oidmap", show_oidmap); 5481da177e4SLinus Torvalds add_file(sb, "journal", show_journal); 5491da177e4SLinus Torvalds return 0; 5501da177e4SLinus Torvalds } 5511da177e4SLinus Torvalds reiserfs_warning(sb, "reiserfs: cannot create /proc/%s/%s", 5521da177e4SLinus Torvalds proc_info_root_name, reiserfs_bdevname (sb) ); 5531da177e4SLinus Torvalds return 1; 5541da177e4SLinus Torvalds } 5551da177e4SLinus Torvalds 5561da177e4SLinus Torvalds int reiserfs_proc_info_done( struct super_block *sb ) 5571da177e4SLinus Torvalds { 5581da177e4SLinus Torvalds struct proc_dir_entry *de = REISERFS_SB(sb)->procdir; 5591da177e4SLinus Torvalds if (de) { 5601da177e4SLinus Torvalds remove_proc_entry("journal", de); 5611da177e4SLinus Torvalds remove_proc_entry("oidmap", de); 5621da177e4SLinus Torvalds remove_proc_entry("on-disk-super", de); 5631da177e4SLinus Torvalds remove_proc_entry("bitmap", de); 5641da177e4SLinus Torvalds remove_proc_entry("per-level", de); 5651da177e4SLinus Torvalds remove_proc_entry("super", de); 5661da177e4SLinus Torvalds remove_proc_entry("version", de); 5671da177e4SLinus Torvalds } 5681da177e4SLinus Torvalds spin_lock( & __PINFO( sb ).lock ); 5691da177e4SLinus Torvalds __PINFO( sb ).exiting = 1; 5701da177e4SLinus Torvalds spin_unlock( & __PINFO( sb ).lock ); 5711da177e4SLinus Torvalds if ( proc_info_root ) { 5721da177e4SLinus Torvalds remove_proc_entry( reiserfs_bdevname (sb), proc_info_root ); 5731da177e4SLinus Torvalds REISERFS_SB(sb)->procdir = NULL; 5741da177e4SLinus Torvalds } 5751da177e4SLinus Torvalds return 0; 5761da177e4SLinus Torvalds } 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds struct proc_dir_entry *reiserfs_proc_register_global( char *name, 5791da177e4SLinus Torvalds read_proc_t *func ) 5801da177e4SLinus Torvalds { 5811da177e4SLinus Torvalds return ( proc_info_root ) ? create_proc_read_entry( name, 0, 5821da177e4SLinus Torvalds proc_info_root, 5831da177e4SLinus Torvalds func, NULL ) : NULL; 5841da177e4SLinus Torvalds } 5851da177e4SLinus Torvalds 5861da177e4SLinus Torvalds void reiserfs_proc_unregister_global( const char *name ) 5871da177e4SLinus Torvalds { 5881da177e4SLinus Torvalds remove_proc_entry( name, proc_info_root ); 5891da177e4SLinus Torvalds } 5901da177e4SLinus Torvalds 5911da177e4SLinus Torvalds int reiserfs_proc_info_global_init( void ) 5921da177e4SLinus Torvalds { 5931da177e4SLinus Torvalds if( proc_info_root == NULL ) { 5941da177e4SLinus Torvalds proc_info_root = proc_mkdir(proc_info_root_name, NULL); 5951da177e4SLinus Torvalds if( proc_info_root ) { 5961da177e4SLinus Torvalds proc_info_root -> owner = THIS_MODULE; 5971da177e4SLinus Torvalds } else { 5981da177e4SLinus Torvalds reiserfs_warning (NULL, 5991da177e4SLinus Torvalds "reiserfs: cannot create /proc/%s", 6001da177e4SLinus Torvalds proc_info_root_name ); 6011da177e4SLinus Torvalds return 1; 6021da177e4SLinus Torvalds } 6031da177e4SLinus Torvalds } 6041da177e4SLinus Torvalds return 0; 6051da177e4SLinus Torvalds } 6061da177e4SLinus Torvalds 6071da177e4SLinus Torvalds int reiserfs_proc_info_global_done( void ) 6081da177e4SLinus Torvalds { 6091da177e4SLinus Torvalds if ( proc_info_root != NULL ) { 6101da177e4SLinus Torvalds proc_info_root = NULL; 6111da177e4SLinus Torvalds remove_proc_entry(proc_info_root_name, NULL); 6121da177e4SLinus Torvalds } 6131da177e4SLinus Torvalds return 0; 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds 6161da177e4SLinus Torvalds /* REISERFS_PROC_INFO */ 6171da177e4SLinus Torvalds #else 6181da177e4SLinus Torvalds 6191da177e4SLinus Torvalds int reiserfs_proc_info_init( struct super_block *sb ) { return 0; } 6201da177e4SLinus Torvalds int reiserfs_proc_info_done( struct super_block *sb ) { return 0; } 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds struct proc_dir_entry *reiserfs_proc_register_global( char *name, 6231da177e4SLinus Torvalds read_proc_t *func ) 6241da177e4SLinus Torvalds { return NULL; } 6251da177e4SLinus Torvalds 6261da177e4SLinus Torvalds void reiserfs_proc_unregister_global( const char *name ) {;} 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds int reiserfs_proc_info_global_init( void ) { return 0; } 6291da177e4SLinus Torvalds int reiserfs_proc_info_global_done( void ) { return 0; } 6301da177e4SLinus Torvalds 6311da177e4SLinus Torvalds int reiserfs_global_version_in_proc( char *buffer, char **start, 6321da177e4SLinus Torvalds off_t offset, 6331da177e4SLinus Torvalds int count, int *eof, void *data ) 6341da177e4SLinus Torvalds { return 0; } 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds /* REISERFS_PROC_INFO */ 6371da177e4SLinus Torvalds #endif 6381da177e4SLinus Torvalds 6391da177e4SLinus Torvalds /* 6401da177e4SLinus Torvalds * $Log: procfs.c,v $ 6411da177e4SLinus Torvalds * Revision 1.1.8.2 2001/07/15 17:08:42 god 6421da177e4SLinus Torvalds * . use get_super() in procfs.c 6431da177e4SLinus Torvalds * . remove remove_save_link() from reiserfs_do_truncate() 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 * Revision 1.1.8.1 2001/07/11 16:48:50 god 6491da177e4SLinus Torvalds * proc info support 6501da177e4SLinus Torvalds * 6511da177e4SLinus Torvalds * I accept terms and conditions stated in the Legal Agreement 6521da177e4SLinus Torvalds * (available at http://www.namesys.com/legalese.html) 6531da177e4SLinus Torvalds * 6541da177e4SLinus Torvalds */ 6551da177e4SLinus Torvalds 6561da177e4SLinus Torvalds /* 6571da177e4SLinus Torvalds * Make Linus happy. 6581da177e4SLinus Torvalds * Local variables: 6591da177e4SLinus Torvalds * c-indentation-style: "K&R" 6601da177e4SLinus Torvalds * mode-name: "LC" 6611da177e4SLinus Torvalds * c-basic-offset: 8 6621da177e4SLinus Torvalds * tab-width: 8 6631da177e4SLinus Torvalds * End: 6641da177e4SLinus Torvalds */ 665