11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * linux/fs/ufs/ialloc.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (c) 1998 51da177e4SLinus Torvalds * Daniel Pirkl <daniel.pirkl@email.cz> 61da177e4SLinus Torvalds * Charles University, Faculty of Mathematics and Physics 71da177e4SLinus Torvalds * 81da177e4SLinus Torvalds * from 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds * linux/fs/ext2/ialloc.c 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * Copyright (C) 1992, 1993, 1994, 1995 131da177e4SLinus Torvalds * Remy Card (card@masi.ibp.fr) 141da177e4SLinus Torvalds * Laboratoire MASI - Institut Blaise Pascal 151da177e4SLinus Torvalds * Universite Pierre et Marie Curie (Paris VI) 161da177e4SLinus Torvalds * 171da177e4SLinus Torvalds * BSD ufs-inspired inode and directory allocation by 181da177e4SLinus Torvalds * Stephen Tweedie (sct@dcs.ed.ac.uk), 1993 191da177e4SLinus Torvalds * Big-endian to little-endian byte-swapping/bitmaps by 201da177e4SLinus Torvalds * David S. Miller (davem@caip.rutgers.edu), 1995 213313e292SEvgeniy Dushistov * 223313e292SEvgeniy Dushistov * UFS2 write support added by 233313e292SEvgeniy Dushistov * Evgeniy Dushistov <dushistov@mail.ru>, 2007 241da177e4SLinus Torvalds */ 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #include <linux/fs.h> 271da177e4SLinus Torvalds #include <linux/time.h> 281da177e4SLinus Torvalds #include <linux/stat.h> 291da177e4SLinus Torvalds #include <linux/string.h> 301da177e4SLinus Torvalds #include <linux/buffer_head.h> 311da177e4SLinus Torvalds #include <linux/sched.h> 321da177e4SLinus Torvalds #include <linux/bitops.h> 331da177e4SLinus Torvalds #include <asm/byteorder.h> 341da177e4SLinus Torvalds 35e5420598SMike Frysinger #include "ufs_fs.h" 36bcd6d4ecSChristoph Hellwig #include "ufs.h" 371da177e4SLinus Torvalds #include "swab.h" 381da177e4SLinus Torvalds #include "util.h" 391da177e4SLinus Torvalds 401da177e4SLinus Torvalds /* 411da177e4SLinus Torvalds * NOTE! When we get the inode, we're the only people 421da177e4SLinus Torvalds * that have access to it, and as such there are no 431da177e4SLinus Torvalds * race conditions we have to worry about. The inode 441da177e4SLinus Torvalds * is not on the hash-lists, and it cannot be reached 451da177e4SLinus Torvalds * through the filesystem because the directory entry 461da177e4SLinus Torvalds * has been deleted earlier. 471da177e4SLinus Torvalds * 481da177e4SLinus Torvalds * HOWEVER: we must make sure that we get no aliases, 491da177e4SLinus Torvalds * which means that we have to call "clear_inode()" 501da177e4SLinus Torvalds * _before_ we mark the inode not in use in the inode 511da177e4SLinus Torvalds * bitmaps. Otherwise a newly created file might use 521da177e4SLinus Torvalds * the same inode number (not actually the same pointer 531da177e4SLinus Torvalds * though), and then we'd have two inodes sharing the 541da177e4SLinus Torvalds * same inode number and space on the harddisk. 551da177e4SLinus Torvalds */ 561da177e4SLinus Torvalds void ufs_free_inode (struct inode * inode) 571da177e4SLinus Torvalds { 581da177e4SLinus Torvalds struct super_block * sb; 591da177e4SLinus Torvalds struct ufs_sb_private_info * uspi; 601da177e4SLinus Torvalds struct ufs_super_block_first * usb1; 611da177e4SLinus Torvalds struct ufs_cg_private_info * ucpi; 621da177e4SLinus Torvalds struct ufs_cylinder_group * ucg; 631da177e4SLinus Torvalds int is_directory; 641da177e4SLinus Torvalds unsigned ino, cg, bit; 651da177e4SLinus Torvalds 66abf5d15fSEvgeniy Dushistov UFSD("ENTER, ino %lu\n", inode->i_ino); 671da177e4SLinus Torvalds 681da177e4SLinus Torvalds sb = inode->i_sb; 691da177e4SLinus Torvalds uspi = UFS_SB(sb)->s_uspi; 707b4ee73eSEvgeniy usb1 = ubh_get_usb_first(uspi); 711da177e4SLinus Torvalds 721da177e4SLinus Torvalds ino = inode->i_ino; 731da177e4SLinus Torvalds 741da177e4SLinus Torvalds lock_super (sb); 751da177e4SLinus Torvalds 761da177e4SLinus Torvalds if (!((ino > 1) && (ino < (uspi->s_ncg * uspi->s_ipg )))) { 771da177e4SLinus Torvalds ufs_warning(sb, "ufs_free_inode", "reserved inode or nonexistent inode %u\n", ino); 781da177e4SLinus Torvalds unlock_super (sb); 791da177e4SLinus Torvalds return; 801da177e4SLinus Torvalds } 811da177e4SLinus Torvalds 821da177e4SLinus Torvalds cg = ufs_inotocg (ino); 831da177e4SLinus Torvalds bit = ufs_inotocgoff (ino); 841da177e4SLinus Torvalds ucpi = ufs_load_cylinder (sb, cg); 851da177e4SLinus Torvalds if (!ucpi) { 861da177e4SLinus Torvalds unlock_super (sb); 871da177e4SLinus Torvalds return; 881da177e4SLinus Torvalds } 899695ef16SEvgeniy Dushistov ucg = ubh_get_ucg(UCPI_UBH(ucpi)); 901da177e4SLinus Torvalds if (!ufs_cg_chkmagic(sb, ucg)) 911da177e4SLinus Torvalds ufs_panic (sb, "ufs_free_fragments", "internal error, bad cg magic number"); 921da177e4SLinus Torvalds 931da177e4SLinus Torvalds ucg->cg_time = cpu_to_fs32(sb, get_seconds()); 941da177e4SLinus Torvalds 951da177e4SLinus Torvalds is_directory = S_ISDIR(inode->i_mode); 961da177e4SLinus Torvalds 979695ef16SEvgeniy Dushistov if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit)) 981da177e4SLinus Torvalds ufs_error(sb, "ufs_free_inode", "bit already cleared for inode %u", ino); 991da177e4SLinus Torvalds else { 1009695ef16SEvgeniy Dushistov ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit); 1011da177e4SLinus Torvalds if (ino < ucpi->c_irotor) 1021da177e4SLinus Torvalds ucpi->c_irotor = ino; 1031da177e4SLinus Torvalds fs32_add(sb, &ucg->cg_cs.cs_nifree, 1); 104ee3ffd6cSEvgeniy Dushistov uspi->cs_total.cs_nifree++; 1051da177e4SLinus Torvalds fs32_add(sb, &UFS_SB(sb)->fs_cs(cg).cs_nifree, 1); 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds if (is_directory) { 1081da177e4SLinus Torvalds fs32_sub(sb, &ucg->cg_cs.cs_ndir, 1); 109ee3ffd6cSEvgeniy Dushistov uspi->cs_total.cs_ndir--; 1101da177e4SLinus Torvalds fs32_sub(sb, &UFS_SB(sb)->fs_cs(cg).cs_ndir, 1); 1111da177e4SLinus Torvalds } 1121da177e4SLinus Torvalds } 1131da177e4SLinus Torvalds 1149695ef16SEvgeniy Dushistov ubh_mark_buffer_dirty (USPI_UBH(uspi)); 1159695ef16SEvgeniy Dushistov ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); 1169cb569d6SChristoph Hellwig if (sb->s_flags & MS_SYNCHRONOUS) 1179cb569d6SChristoph Hellwig ubh_sync_block(UCPI_UBH(ucpi)); 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds sb->s_dirt = 1; 1201da177e4SLinus Torvalds unlock_super (sb); 121abf5d15fSEvgeniy Dushistov UFSD("EXIT\n"); 1221da177e4SLinus Torvalds } 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvalds /* 1253313e292SEvgeniy Dushistov * Nullify new chunk of inodes, 1263313e292SEvgeniy Dushistov * BSD people also set ui_gen field of inode 1273313e292SEvgeniy Dushistov * during nullification, but we not care about 1283313e292SEvgeniy Dushistov * that because of linux ufs do not support NFS 1293313e292SEvgeniy Dushistov */ 1303313e292SEvgeniy Dushistov static void ufs2_init_inodes_chunk(struct super_block *sb, 1313313e292SEvgeniy Dushistov struct ufs_cg_private_info *ucpi, 1323313e292SEvgeniy Dushistov struct ufs_cylinder_group *ucg) 1333313e292SEvgeniy Dushistov { 1343313e292SEvgeniy Dushistov struct buffer_head *bh; 1353313e292SEvgeniy Dushistov struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi; 1363313e292SEvgeniy Dushistov sector_t beg = uspi->s_sbbase + 1373313e292SEvgeniy Dushistov ufs_inotofsba(ucpi->c_cgx * uspi->s_ipg + 1383313e292SEvgeniy Dushistov fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_initediblk)); 1393313e292SEvgeniy Dushistov sector_t end = beg + uspi->s_fpb; 1403313e292SEvgeniy Dushistov 1413313e292SEvgeniy Dushistov UFSD("ENTER cgno %d\n", ucpi->c_cgx); 1423313e292SEvgeniy Dushistov 1433313e292SEvgeniy Dushistov for (; beg < end; ++beg) { 1443313e292SEvgeniy Dushistov bh = sb_getblk(sb, beg); 1453313e292SEvgeniy Dushistov lock_buffer(bh); 1463313e292SEvgeniy Dushistov memset(bh->b_data, 0, sb->s_blocksize); 1473313e292SEvgeniy Dushistov set_buffer_uptodate(bh); 1483313e292SEvgeniy Dushistov mark_buffer_dirty(bh); 1493313e292SEvgeniy Dushistov unlock_buffer(bh); 1503313e292SEvgeniy Dushistov if (sb->s_flags & MS_SYNCHRONOUS) 1513313e292SEvgeniy Dushistov sync_dirty_buffer(bh); 1523313e292SEvgeniy Dushistov brelse(bh); 1533313e292SEvgeniy Dushistov } 1543313e292SEvgeniy Dushistov 1553313e292SEvgeniy Dushistov fs32_add(sb, &ucg->cg_u.cg_u2.cg_initediblk, uspi->s_inopb); 1563313e292SEvgeniy Dushistov ubh_mark_buffer_dirty(UCPI_UBH(ucpi)); 1579cb569d6SChristoph Hellwig if (sb->s_flags & MS_SYNCHRONOUS) 1589cb569d6SChristoph Hellwig ubh_sync_block(UCPI_UBH(ucpi)); 1593313e292SEvgeniy Dushistov 1603313e292SEvgeniy Dushistov UFSD("EXIT\n"); 1613313e292SEvgeniy Dushistov } 1623313e292SEvgeniy Dushistov 1633313e292SEvgeniy Dushistov /* 1641da177e4SLinus Torvalds * There are two policies for allocating an inode. If the new inode is 1651da177e4SLinus Torvalds * a directory, then a forward search is made for a block group with both 1661da177e4SLinus Torvalds * free space and a low directory-to-inode ratio; if that fails, then of 1671da177e4SLinus Torvalds * the groups with above-average free space, that group with the fewest 1681da177e4SLinus Torvalds * directories already is chosen. 1691da177e4SLinus Torvalds * 1701da177e4SLinus Torvalds * For other inodes, search forward from the parent directory's block 1711da177e4SLinus Torvalds * group to find a free inode. 1721da177e4SLinus Torvalds */ 1736a9a06d9SAl Viro struct inode *ufs_new_inode(struct inode *dir, umode_t mode) 1741da177e4SLinus Torvalds { 1751da177e4SLinus Torvalds struct super_block * sb; 1761da177e4SLinus Torvalds struct ufs_sb_info * sbi; 1771da177e4SLinus Torvalds struct ufs_sb_private_info * uspi; 1781da177e4SLinus Torvalds struct ufs_super_block_first * usb1; 1791da177e4SLinus Torvalds struct ufs_cg_private_info * ucpi; 1801da177e4SLinus Torvalds struct ufs_cylinder_group * ucg; 1811da177e4SLinus Torvalds struct inode * inode; 1821da177e4SLinus Torvalds unsigned cg, bit, i, j, start; 1831da177e4SLinus Torvalds struct ufs_inode_info *ufsi; 1843313e292SEvgeniy Dushistov int err = -ENOSPC; 1851da177e4SLinus Torvalds 186abf5d15fSEvgeniy Dushistov UFSD("ENTER\n"); 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds /* Cannot create files in a deleted directory */ 1891da177e4SLinus Torvalds if (!dir || !dir->i_nlink) 1901da177e4SLinus Torvalds return ERR_PTR(-EPERM); 1911da177e4SLinus Torvalds sb = dir->i_sb; 1921da177e4SLinus Torvalds inode = new_inode(sb); 1931da177e4SLinus Torvalds if (!inode) 1941da177e4SLinus Torvalds return ERR_PTR(-ENOMEM); 1951da177e4SLinus Torvalds ufsi = UFS_I(inode); 1961da177e4SLinus Torvalds sbi = UFS_SB(sb); 1971da177e4SLinus Torvalds uspi = sbi->s_uspi; 1987b4ee73eSEvgeniy usb1 = ubh_get_usb_first(uspi); 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds lock_super (sb); 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds /* 2031da177e4SLinus Torvalds * Try to place the inode in its parent directory 2041da177e4SLinus Torvalds */ 2051da177e4SLinus Torvalds i = ufs_inotocg(dir->i_ino); 2061da177e4SLinus Torvalds if (sbi->fs_cs(i).cs_nifree) { 2071da177e4SLinus Torvalds cg = i; 2081da177e4SLinus Torvalds goto cg_found; 2091da177e4SLinus Torvalds } 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds /* 2121da177e4SLinus Torvalds * Use a quadratic hash to find a group with a free inode 2131da177e4SLinus Torvalds */ 2141da177e4SLinus Torvalds for ( j = 1; j < uspi->s_ncg; j <<= 1 ) { 2151da177e4SLinus Torvalds i += j; 2161da177e4SLinus Torvalds if (i >= uspi->s_ncg) 2171da177e4SLinus Torvalds i -= uspi->s_ncg; 2181da177e4SLinus Torvalds if (sbi->fs_cs(i).cs_nifree) { 2191da177e4SLinus Torvalds cg = i; 2201da177e4SLinus Torvalds goto cg_found; 2211da177e4SLinus Torvalds } 2221da177e4SLinus Torvalds } 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds /* 2251da177e4SLinus Torvalds * That failed: try linear search for a free inode 2261da177e4SLinus Torvalds */ 2271da177e4SLinus Torvalds i = ufs_inotocg(dir->i_ino) + 1; 2281da177e4SLinus Torvalds for (j = 2; j < uspi->s_ncg; j++) { 2291da177e4SLinus Torvalds i++; 2301da177e4SLinus Torvalds if (i >= uspi->s_ncg) 2311da177e4SLinus Torvalds i = 0; 2321da177e4SLinus Torvalds if (sbi->fs_cs(i).cs_nifree) { 2331da177e4SLinus Torvalds cg = i; 2341da177e4SLinus Torvalds goto cg_found; 2351da177e4SLinus Torvalds } 2361da177e4SLinus Torvalds } 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds goto failed; 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds cg_found: 2411da177e4SLinus Torvalds ucpi = ufs_load_cylinder (sb, cg); 2423313e292SEvgeniy Dushistov if (!ucpi) { 2433313e292SEvgeniy Dushistov err = -EIO; 2441da177e4SLinus Torvalds goto failed; 2453313e292SEvgeniy Dushistov } 2469695ef16SEvgeniy Dushistov ucg = ubh_get_ucg(UCPI_UBH(ucpi)); 2471da177e4SLinus Torvalds if (!ufs_cg_chkmagic(sb, ucg)) 2481da177e4SLinus Torvalds ufs_panic (sb, "ufs_new_inode", "internal error, bad cg magic number"); 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds start = ucpi->c_irotor; 2519695ef16SEvgeniy Dushistov bit = ubh_find_next_zero_bit (UCPI_UBH(ucpi), ucpi->c_iusedoff, uspi->s_ipg, start); 2521da177e4SLinus Torvalds if (!(bit < uspi->s_ipg)) { 2539695ef16SEvgeniy Dushistov bit = ubh_find_first_zero_bit (UCPI_UBH(ucpi), ucpi->c_iusedoff, start); 2541da177e4SLinus Torvalds if (!(bit < start)) { 2551da177e4SLinus Torvalds ufs_error (sb, "ufs_new_inode", 2561da177e4SLinus Torvalds "cylinder group %u corrupted - error in inode bitmap\n", cg); 2573313e292SEvgeniy Dushistov err = -EIO; 2581da177e4SLinus Torvalds goto failed; 2591da177e4SLinus Torvalds } 2601da177e4SLinus Torvalds } 261abf5d15fSEvgeniy Dushistov UFSD("start = %u, bit = %u, ipg = %u\n", start, bit, uspi->s_ipg); 2629695ef16SEvgeniy Dushistov if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit)) 2639695ef16SEvgeniy Dushistov ubh_setbit (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit); 2641da177e4SLinus Torvalds else { 2651da177e4SLinus Torvalds ufs_panic (sb, "ufs_new_inode", "internal error"); 2663313e292SEvgeniy Dushistov err = -EIO; 2671da177e4SLinus Torvalds goto failed; 2681da177e4SLinus Torvalds } 2691da177e4SLinus Torvalds 2703313e292SEvgeniy Dushistov if (uspi->fs_magic == UFS2_MAGIC) { 2713313e292SEvgeniy Dushistov u32 initediblk = fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_initediblk); 2723313e292SEvgeniy Dushistov 2733313e292SEvgeniy Dushistov if (bit + uspi->s_inopb > initediblk && 2743313e292SEvgeniy Dushistov initediblk < fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_niblk)) 2753313e292SEvgeniy Dushistov ufs2_init_inodes_chunk(sb, ucpi, ucg); 2763313e292SEvgeniy Dushistov } 2773313e292SEvgeniy Dushistov 2781da177e4SLinus Torvalds fs32_sub(sb, &ucg->cg_cs.cs_nifree, 1); 279ee3ffd6cSEvgeniy Dushistov uspi->cs_total.cs_nifree--; 2801da177e4SLinus Torvalds fs32_sub(sb, &sbi->fs_cs(cg).cs_nifree, 1); 2811da177e4SLinus Torvalds 2821da177e4SLinus Torvalds if (S_ISDIR(mode)) { 2831da177e4SLinus Torvalds fs32_add(sb, &ucg->cg_cs.cs_ndir, 1); 284ee3ffd6cSEvgeniy Dushistov uspi->cs_total.cs_ndir++; 2851da177e4SLinus Torvalds fs32_add(sb, &sbi->fs_cs(cg).cs_ndir, 1); 2861da177e4SLinus Torvalds } 2879695ef16SEvgeniy Dushistov ubh_mark_buffer_dirty (USPI_UBH(uspi)); 2889695ef16SEvgeniy Dushistov ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); 2899cb569d6SChristoph Hellwig if (sb->s_flags & MS_SYNCHRONOUS) 2909cb569d6SChristoph Hellwig ubh_sync_block(UCPI_UBH(ucpi)); 2911da177e4SLinus Torvalds sb->s_dirt = 1; 2921da177e4SLinus Torvalds 2933313e292SEvgeniy Dushistov inode->i_ino = cg * uspi->s_ipg + bit; 294be8ded59SDmitry Monakhov inode_init_owner(inode, dir, mode); 2951da177e4SLinus Torvalds inode->i_blocks = 0; 2963313e292SEvgeniy Dushistov inode->i_generation = 0; 2971da177e4SLinus Torvalds inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 2981da177e4SLinus Torvalds ufsi->i_flags = UFS_I(dir)->i_flags; 2991da177e4SLinus Torvalds ufsi->i_lastfrag = 0; 3001da177e4SLinus Torvalds ufsi->i_shadow = 0; 3011da177e4SLinus Torvalds ufsi->i_osync = 0; 3021da177e4SLinus Torvalds ufsi->i_oeftflag = 0; 303dd187a26SEvgeniy Dushistov ufsi->i_dir_start_lookup = 0; 3041da177e4SLinus Torvalds memset(&ufsi->i_u1, 0, sizeof(ufsi->i_u1)); 3051da177e4SLinus Torvalds insert_inode_hash(inode); 3061da177e4SLinus Torvalds mark_inode_dirty(inode); 3071da177e4SLinus Torvalds 3083313e292SEvgeniy Dushistov if (uspi->fs_magic == UFS2_MAGIC) { 3093313e292SEvgeniy Dushistov struct buffer_head *bh; 3103313e292SEvgeniy Dushistov struct ufs2_inode *ufs2_inode; 3113313e292SEvgeniy Dushistov 3123313e292SEvgeniy Dushistov /* 3133313e292SEvgeniy Dushistov * setup birth date, we do it here because of there is no sense 3143313e292SEvgeniy Dushistov * to hold it in struct ufs_inode_info, and lose 64 bit 3153313e292SEvgeniy Dushistov */ 3163313e292SEvgeniy Dushistov bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino)); 3173313e292SEvgeniy Dushistov if (!bh) { 3183313e292SEvgeniy Dushistov ufs_warning(sb, "ufs_read_inode", 3193313e292SEvgeniy Dushistov "unable to read inode %lu\n", 3203313e292SEvgeniy Dushistov inode->i_ino); 3213313e292SEvgeniy Dushistov err = -EIO; 3223313e292SEvgeniy Dushistov goto fail_remove_inode; 3233313e292SEvgeniy Dushistov } 3243313e292SEvgeniy Dushistov lock_buffer(bh); 3253313e292SEvgeniy Dushistov ufs2_inode = (struct ufs2_inode *)bh->b_data; 3263313e292SEvgeniy Dushistov ufs2_inode += ufs_inotofsbo(inode->i_ino); 3272189850fSEvgeniy Dushistov ufs2_inode->ui_birthtime = cpu_to_fs64(sb, CURRENT_TIME.tv_sec); 3282189850fSEvgeniy Dushistov ufs2_inode->ui_birthnsec = cpu_to_fs32(sb, CURRENT_TIME.tv_nsec); 3293313e292SEvgeniy Dushistov mark_buffer_dirty(bh); 3303313e292SEvgeniy Dushistov unlock_buffer(bh); 3313313e292SEvgeniy Dushistov if (sb->s_flags & MS_SYNCHRONOUS) 3323313e292SEvgeniy Dushistov sync_dirty_buffer(bh); 3333313e292SEvgeniy Dushistov brelse(bh); 3343313e292SEvgeniy Dushistov } 3353313e292SEvgeniy Dushistov 3361da177e4SLinus Torvalds unlock_super (sb); 3371da177e4SLinus Torvalds 338abf5d15fSEvgeniy Dushistov UFSD("allocating inode %lu\n", inode->i_ino); 339abf5d15fSEvgeniy Dushistov UFSD("EXIT\n"); 3401da177e4SLinus Torvalds return inode; 3411da177e4SLinus Torvalds 3423313e292SEvgeniy Dushistov fail_remove_inode: 3433313e292SEvgeniy Dushistov unlock_super(sb); 3446d6b77f1SMiklos Szeredi clear_nlink(inode); 3453313e292SEvgeniy Dushistov iput(inode); 3463313e292SEvgeniy Dushistov UFSD("EXIT (FAILED): err %d\n", err); 3473313e292SEvgeniy Dushistov return ERR_PTR(err); 3481da177e4SLinus Torvalds failed: 3491da177e4SLinus Torvalds unlock_super (sb); 3501da177e4SLinus Torvalds make_bad_inode(inode); 3511da177e4SLinus Torvalds iput (inode); 3523313e292SEvgeniy Dushistov UFSD("EXIT (FAILED): err %d\n", err); 3533313e292SEvgeniy Dushistov return ERR_PTR(err); 3541da177e4SLinus Torvalds } 355