Lines Matching refs:sb
43 static void ext2_write_super(struct super_block *sb);
45 static int ext2_sync_fs(struct super_block *sb, int wait);
46 static int ext2_freeze(struct super_block *sb);
47 static int ext2_unfreeze(struct super_block *sb);
49 void ext2_error(struct super_block *sb, const char *function, in ext2_error() argument
54 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_error()
57 if (!sb_rdonly(sb)) { in ext2_error()
62 ext2_sync_super(sb, es, 1); in ext2_error()
71 sb->s_id, function, &vaf); in ext2_error()
75 if (test_opt(sb, ERRORS_PANIC)) in ext2_error()
77 if (!sb_rdonly(sb) && test_opt(sb, ERRORS_RO)) { in ext2_error()
78 ext2_msg(sb, KERN_CRIT, in ext2_error()
80 sb->s_flags |= SB_RDONLY; in ext2_error()
111 void ext2_msg(struct super_block *sb, const char *prefix, in ext2_msg() argument
122 printk("%sEXT2-fs (%s): %pV\n", prefix, sb->s_id, &vaf); in ext2_msg()
130 void ext2_update_dynamic_rev(struct super_block *sb) in ext2_update_dynamic_rev() argument
132 struct ext2_super_block *es = EXT2_SB(sb)->s_es; in ext2_update_dynamic_rev()
137 ext2_msg(sb, KERN_WARNING, in ext2_update_dynamic_rev()
156 static int ext2_quota_off(struct super_block *sb, int type);
158 static void ext2_quota_off_umount(struct super_block *sb) in ext2_quota_off_umount() argument
163 ext2_quota_off(sb, type); in ext2_quota_off_umount()
166 static inline void ext2_quota_off_umount(struct super_block *sb) in ext2_quota_off_umount() argument
171 static void ext2_put_super (struct super_block * sb) in ext2_put_super() argument
175 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_put_super()
177 ext2_quota_off_umount(sb); in ext2_put_super()
182 if (!sb_rdonly(sb)) { in ext2_put_super()
188 ext2_sync_super(sb, es, 1); in ext2_put_super()
199 sb->s_fs_info = NULL; in ext2_put_super()
207 static struct inode *ext2_alloc_inode(struct super_block *sb) in ext2_alloc_inode() argument
210 ei = alloc_inode_sb(sb, ext2_inode_cachep, GFP_KERNEL); in ext2_alloc_inode()
264 struct super_block *sb = root->d_sb; in ext2_show_options() local
265 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_show_options()
274 if (test_opt(sb, MINIX_DF)) in ext2_show_options()
276 if (test_opt(sb, GRPID)) in ext2_show_options()
278 if (!test_opt(sb, GRPID) && (def_mount_opts & EXT2_DEFM_BSDGROUPS)) in ext2_show_options()
290 if (test_opt(sb, ERRORS_RO)) { in ext2_show_options()
298 if (test_opt(sb, ERRORS_CONT)) in ext2_show_options()
300 if (test_opt(sb, ERRORS_PANIC)) in ext2_show_options()
302 if (test_opt(sb, NO_UID32)) in ext2_show_options()
304 if (test_opt(sb, DEBUG)) in ext2_show_options()
306 if (test_opt(sb, OLDALLOC)) in ext2_show_options()
310 if (test_opt(sb, XATTR_USER)) in ext2_show_options()
312 if (!test_opt(sb, XATTR_USER) && in ext2_show_options()
319 if (test_opt(sb, POSIX_ACL)) in ext2_show_options()
321 if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT2_DEFM_ACL)) in ext2_show_options()
325 if (test_opt(sb, USRQUOTA)) in ext2_show_options()
328 if (test_opt(sb, GRPQUOTA)) in ext2_show_options()
331 if (test_opt(sb, XIP)) in ext2_show_options()
334 if (test_opt(sb, DAX)) in ext2_show_options()
337 if (!test_opt(sb, RESERVATION)) in ext2_show_options()
345 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off…
346 static ssize_t ext2_quota_write(struct super_block *sb, int type, const char *data, size_t len, lof…
347 static int ext2_quota_on(struct super_block *sb, int type, int format_id,
384 static struct inode *ext2_nfs_get_inode(struct super_block *sb, in ext2_nfs_get_inode() argument
389 if (ino < EXT2_FIRST_INO(sb) && ino != EXT2_ROOT_INO) in ext2_nfs_get_inode()
391 if (ino > le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count)) in ext2_nfs_get_inode()
399 inode = ext2_iget(sb, ino); in ext2_nfs_get_inode()
410 static struct dentry *ext2_fh_to_dentry(struct super_block *sb, struct fid *fid, in ext2_fh_to_dentry() argument
413 return generic_fh_to_dentry(sb, fid, fh_len, fh_type, in ext2_fh_to_dentry()
417 static struct dentry *ext2_fh_to_parent(struct super_block *sb, struct fid *fid, in ext2_fh_to_parent() argument
420 return generic_fh_to_parent(sb, fid, fh_len, fh_type, in ext2_fh_to_parent()
645 static int ext2_setup_super (struct super_block * sb, in ext2_setup_super() argument
650 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_setup_super()
653 ext2_msg(sb, KERN_ERR, in ext2_setup_super()
661 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
665 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
671 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
678 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
684 if (test_opt (sb, DEBUG)) in ext2_setup_super()
685 ext2_msg(sb, KERN_INFO, "%s, %s, bs=%lu, gc=%lu, " in ext2_setup_super()
687 EXT2FS_VERSION, EXT2FS_DATE, sb->s_blocksize, in ext2_setup_super()
689 EXT2_BLOCKS_PER_GROUP(sb), in ext2_setup_super()
690 EXT2_INODES_PER_GROUP(sb), in ext2_setup_super()
695 static int ext2_check_descriptors(struct super_block *sb) in ext2_check_descriptors() argument
698 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_check_descriptors()
703 struct ext2_group_desc *gdp = ext2_get_group_desc(sb, i, NULL); in ext2_check_descriptors()
704 ext2_fsblk_t first_block = ext2_group_first_block_no(sb, i); in ext2_check_descriptors()
705 ext2_fsblk_t last_block = ext2_group_last_block_no(sb, i); in ext2_check_descriptors()
710 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
719 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
729 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
801 static unsigned long descriptor_loc(struct super_block *sb, in descriptor_loc() argument
805 struct ext2_sb_info *sbi = EXT2_SB(sb); in descriptor_loc()
810 if (!EXT2_HAS_INCOMPAT_FEATURE(sb, EXT2_FEATURE_INCOMPAT_META_BG) || in descriptor_loc()
815 return ext2_group_first_block_no(sb, bg) + ext2_bg_has_super(sb, bg); in descriptor_loc()
877 static int ext2_fill_super(struct super_block *sb, struct fs_context *fc) in ext2_fill_super() argument
906 sb->s_fs_info = sbi; in ext2_fill_super()
908 sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev, &sbi->s_dax_part_off, in ext2_fill_super()
921 blocksize = sb_min_blocksize(sb, BLOCK_SIZE); in ext2_fill_super()
923 ext2_msg(sb, KERN_ERR, "error: unable to set blocksize"); in ext2_fill_super()
938 if (!(bh = sb_bread(sb, logic_sb_block))) { in ext2_fill_super()
939 ext2_msg(sb, KERN_ERR, "error: unable to read superblock"); in ext2_fill_super()
948 sb->s_magic = le16_to_cpu(es->s_magic); in ext2_fill_super()
950 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
955 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_fill_super()
956 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_fill_super()
957 sb->s_iflags |= SB_I_CGROUPWB; in ext2_fill_super()
960 (EXT2_HAS_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
961 EXT2_HAS_RO_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
962 EXT2_HAS_INCOMPAT_FEATURE(sb, ~0U))) in ext2_fill_super()
963 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
971 features = EXT2_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP); in ext2_fill_super()
973 ext2_msg(sb, KERN_ERR, "error: couldn't mount because of " in ext2_fill_super()
978 if (!sb_rdonly(sb) && (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){ in ext2_fill_super()
979 ext2_msg(sb, KERN_ERR, "error: couldn't mount RDWR because of " in ext2_fill_super()
987 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
994 if (test_opt(sb, DAX)) { in ext2_fill_super()
996 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1000 ext2_msg(sb, KERN_ERR, "unsupported blocksize for DAX\n"); in ext2_fill_super()
1006 if (sb->s_blocksize != blocksize) { in ext2_fill_super()
1009 if (!sb_set_blocksize(sb, blocksize)) { in ext2_fill_super()
1010 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1017 bh = sb_bread(sb, logic_sb_block); in ext2_fill_super()
1019 ext2_msg(sb, KERN_ERR, "error: couldn't read" in ext2_fill_super()
1026 ext2_msg(sb, KERN_ERR, "error: magic mismatch"); in ext2_fill_super()
1031 sb->s_maxbytes = ext2_max_size(sb->s_blocksize_bits); in ext2_fill_super()
1032 sb->s_max_links = EXT2_LINK_MAX; in ext2_fill_super()
1033 sb->s_time_min = S32_MIN; in ext2_fill_super()
1034 sb->s_time_max = S32_MAX; in ext2_fill_super()
1045 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1055 sbi->s_inodes_per_block = sb->s_blocksize / EXT2_INODE_SIZE(sb); in ext2_fill_super()
1060 sbi->s_desc_per_block = sb->s_blocksize / in ext2_fill_super()
1065 ilog2 (EXT2_ADDR_PER_BLOCK(sb)); in ext2_fill_super()
1067 ilog2 (EXT2_DESC_PER_BLOCK(sb)); in ext2_fill_super()
1069 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
1072 if (sb->s_blocksize != bh->b_size) { in ext2_fill_super()
1074 ext2_msg(sb, KERN_ERR, "error: unsupported blocksize"); in ext2_fill_super()
1079 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1081 le32_to_cpu(es->s_log_frag_size), sb->s_blocksize_bits); in ext2_fill_super()
1085 if (sbi->s_blocks_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1086 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1093 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1099 sbi->s_inodes_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1100 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1105 if (sb_bdev_nr_blocks(sb) < le32_to_cpu(es->s_blocks_count)) { in ext2_fill_super()
1106 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1109 (unsigned)sb_bdev_nr_blocks(sb)); in ext2_fill_super()
1115 / EXT2_BLOCKS_PER_GROUP(sb)) + 1; in ext2_fill_super()
1118 ext2_msg(sb, KERN_ERR, "error: invalid #inodes: %u vs computed %llu", in ext2_fill_super()
1123 db_count = (sbi->s_groups_count + EXT2_DESC_PER_BLOCK(sb) - 1) / in ext2_fill_super()
1124 EXT2_DESC_PER_BLOCK(sb); in ext2_fill_super()
1130 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1137 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1141 block = descriptor_loc(sb, logic_sb_block, i); in ext2_fill_super()
1142 sbi->s_group_desc[i] = sb_bread(sb, block); in ext2_fill_super()
1146 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1151 if (!ext2_check_descriptors (sb)) { in ext2_fill_super()
1152 ext2_msg(sb, KERN_ERR, "group descriptors corrupted"); in ext2_fill_super()
1172 ext2_rsv_window_add(sb, &sbi->s_rsv_window_head); in ext2_fill_super()
1175 ext2_count_free_blocks(sb), GFP_KERNEL); in ext2_fill_super()
1178 ext2_count_free_inodes(sb), GFP_KERNEL); in ext2_fill_super()
1182 ext2_count_dirs(sb), GFP_KERNEL); in ext2_fill_super()
1186 ext2_msg(sb, KERN_ERR, "error: insufficient memory"); in ext2_fill_super()
1194 ext2_msg(sb, KERN_ERR, "Failed to create ea_block_cache"); in ext2_fill_super()
1201 sb->s_op = &ext2_sops; in ext2_fill_super()
1202 sb->s_export_op = &ext2_export_ops; in ext2_fill_super()
1203 sb->s_xattr = ext2_xattr_handlers; in ext2_fill_super()
1206 sb->dq_op = &dquot_operations; in ext2_fill_super()
1207 sb->s_qcop = &ext2_quotactl_ops; in ext2_fill_super()
1208 sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; in ext2_fill_super()
1211 root = ext2_iget(sb, EXT2_ROOT_INO); in ext2_fill_super()
1218 ext2_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck"); in ext2_fill_super()
1222 sb->s_root = d_make_root(root); in ext2_fill_super()
1223 if (!sb->s_root) { in ext2_fill_super()
1224 ext2_msg(sb, KERN_ERR, "error: get root inode failed"); in ext2_fill_super()
1228 if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) in ext2_fill_super()
1229 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
1231 if (ext2_setup_super (sb, es, sb_rdonly(sb))) in ext2_fill_super()
1232 sb->s_flags |= SB_RDONLY; in ext2_fill_super()
1233 ext2_write_super(sb); in ext2_fill_super()
1238 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1240 sb->s_id); in ext2_fill_super()
1257 sb->s_fs_info = NULL; in ext2_fill_super()
1263 static void ext2_clear_super_error(struct super_block *sb) in ext2_clear_super_error() argument
1265 struct buffer_head *sbh = EXT2_SB(sb)->s_sbh; in ext2_clear_super_error()
1276 ext2_msg(sb, KERN_ERR, in ext2_clear_super_error()
1283 void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es, in ext2_sync_super() argument
1286 ext2_clear_super_error(sb); in ext2_sync_super()
1287 spin_lock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1288 es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb)); in ext2_sync_super()
1289 es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb)); in ext2_sync_super()
1292 spin_unlock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1293 mark_buffer_dirty(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1295 sync_dirty_buffer(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1308 static int ext2_sync_fs(struct super_block *sb, int wait) in ext2_sync_fs() argument
1310 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_sync_fs()
1311 struct ext2_super_block *es = EXT2_SB(sb)->s_es; in ext2_sync_fs()
1317 dquot_writeback_dquots(sb, -1); in ext2_sync_fs()
1325 ext2_sync_super(sb, es, wait); in ext2_sync_fs()
1329 static int ext2_freeze(struct super_block *sb) in ext2_freeze() argument
1331 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_freeze()
1338 if (atomic_long_read(&sb->s_remove_count)) { in ext2_freeze()
1339 ext2_sync_fs(sb, 1); in ext2_freeze()
1346 ext2_sync_super(sb, sbi->s_es, 1); in ext2_freeze()
1351 static int ext2_unfreeze(struct super_block *sb) in ext2_unfreeze() argument
1354 ext2_write_super(sb); in ext2_unfreeze()
1359 static void ext2_write_super(struct super_block *sb) in ext2_write_super() argument
1361 if (!sb_rdonly(sb)) in ext2_write_super()
1362 ext2_sync_fs(sb, 1); in ext2_write_super()
1368 struct super_block *sb = fc->root->d_sb; in ext2_reconfigure() local
1369 struct ext2_sb_info * sbi = EXT2_SB(sb); in ext2_reconfigure()
1375 sync_filesystem(sb); in ext2_reconfigure()
1384 ext2_msg(sb, KERN_WARNING, "warning: refusing change of " in ext2_reconfigure()
1388 if ((bool)(flags & SB_RDONLY) == sb_rdonly(sb)) in ext2_reconfigure()
1403 err = dquot_suspend(sb, -1); in ext2_reconfigure()
1407 ext2_sync_super(sb, es, 1); in ext2_reconfigure()
1409 __le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb, in ext2_reconfigure()
1413 ext2_msg(sb, KERN_WARNING, in ext2_reconfigure()
1425 if (!ext2_setup_super (sb, es, 0)) in ext2_reconfigure()
1426 sb->s_flags &= ~SB_RDONLY; in ext2_reconfigure()
1429 ext2_write_super(sb); in ext2_reconfigure()
1431 dquot_resume(sb, -1); in ext2_reconfigure()
1439 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_reconfigure()
1440 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_reconfigure()
1448 struct super_block *sb = dentry->d_sb; in ext2_statfs() local
1449 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_statfs()
1454 if (test_opt (sb, MINIX_DF)) in ext2_statfs()
1478 overhead += ext2_bg_has_super(sb, i) + in ext2_statfs()
1479 ext2_bg_num_gdb(sb, i); in ext2_statfs()
1493 buf->f_bsize = sb->s_blocksize; in ext2_statfs()
1495 buf->f_bfree = ext2_count_free_blocks(sb); in ext2_statfs()
1501 buf->f_ffree = ext2_count_free_inodes(sb); in ext2_statfs()
1520 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, in ext2_quota_read() argument
1523 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_read()
1524 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_read()
1526 int offset = off & (sb->s_blocksize - 1); in ext2_quota_read()
1539 tocopy = min_t(size_t, sb->s_blocksize - offset, toread); in ext2_quota_read()
1542 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_read()
1549 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_read()
1564 static ssize_t ext2_quota_write(struct super_block *sb, int type, in ext2_quota_write() argument
1567 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_write()
1568 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_write()
1570 int offset = off & (sb->s_blocksize - 1); in ext2_quota_write()
1577 tocopy = min_t(size_t, sb->s_blocksize - offset, towrite); in ext2_quota_write()
1580 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_write()
1584 if (offset || tocopy != EXT2_BLOCK_SIZE(sb)) in ext2_quota_write()
1585 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1587 bh = sb_getblk(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1615 static int ext2_quota_on(struct super_block *sb, int type, int format_id, in ext2_quota_on() argument
1621 err = dquot_quota_on(sb, type, format_id, path); in ext2_quota_on()
1636 static int ext2_quota_off(struct super_block *sb, int type) in ext2_quota_off() argument
1638 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_off()
1644 err = dquot_quota_off(sb, type); in ext2_quota_off()
1657 return dquot_quota_off(sb, type); in ext2_quota_off()
1678 struct super_block *sb = fc->root->d_sb; in ext2_init_fs_context() local
1679 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_init_fs_context()
1683 ctx->vals_s_flags = sb->s_flags; in ext2_init_fs_context()