Lines Matching refs:sb
42 static void ext2_write_super(struct super_block *sb);
43 static int ext2_remount (struct super_block * sb, int * flags, char * data);
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()
84 void ext2_msg(struct super_block *sb, const char *prefix, in ext2_msg() argument
95 printk("%sEXT2-fs (%s): %pV\n", prefix, sb->s_id, &vaf); in ext2_msg()
103 void ext2_update_dynamic_rev(struct super_block *sb) in ext2_update_dynamic_rev() argument
105 struct ext2_super_block *es = EXT2_SB(sb)->s_es; in ext2_update_dynamic_rev()
110 ext2_msg(sb, KERN_WARNING, in ext2_update_dynamic_rev()
129 static int ext2_quota_off(struct super_block *sb, int type);
131 static void ext2_quota_off_umount(struct super_block *sb) in ext2_quota_off_umount() argument
136 ext2_quota_off(sb, type); in ext2_quota_off_umount()
139 static inline void ext2_quota_off_umount(struct super_block *sb) in ext2_quota_off_umount() argument
144 static void ext2_put_super (struct super_block * sb) in ext2_put_super() argument
148 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_put_super()
150 ext2_quota_off_umount(sb); in ext2_put_super()
155 if (!sb_rdonly(sb)) { in ext2_put_super()
161 ext2_sync_super(sb, es, 1); in ext2_put_super()
172 sb->s_fs_info = NULL; in ext2_put_super()
180 static struct inode *ext2_alloc_inode(struct super_block *sb) in ext2_alloc_inode() argument
241 struct super_block *sb = root->d_sb; in ext2_show_options() local
242 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_show_options()
251 if (test_opt(sb, MINIX_DF)) in ext2_show_options()
253 if (test_opt(sb, GRPID)) in ext2_show_options()
255 if (!test_opt(sb, GRPID) && (def_mount_opts & EXT2_DEFM_BSDGROUPS)) in ext2_show_options()
267 if (test_opt(sb, ERRORS_RO)) { in ext2_show_options()
275 if (test_opt(sb, ERRORS_CONT)) in ext2_show_options()
277 if (test_opt(sb, ERRORS_PANIC)) in ext2_show_options()
279 if (test_opt(sb, NO_UID32)) in ext2_show_options()
281 if (test_opt(sb, DEBUG)) in ext2_show_options()
283 if (test_opt(sb, OLDALLOC)) in ext2_show_options()
287 if (test_opt(sb, XATTR_USER)) in ext2_show_options()
289 if (!test_opt(sb, XATTR_USER) && in ext2_show_options()
296 if (test_opt(sb, POSIX_ACL)) in ext2_show_options()
298 if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT2_DEFM_ACL)) in ext2_show_options()
302 if (test_opt(sb, NOBH)) in ext2_show_options()
305 if (test_opt(sb, USRQUOTA)) in ext2_show_options()
308 if (test_opt(sb, GRPQUOTA)) in ext2_show_options()
311 if (test_opt(sb, XIP)) in ext2_show_options()
314 if (test_opt(sb, DAX)) in ext2_show_options()
317 if (!test_opt(sb, RESERVATION)) in ext2_show_options()
325 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off…
326 static ssize_t ext2_quota_write(struct super_block *sb, int type, const char *data, size_t len, lof…
327 static int ext2_quota_on(struct super_block *sb, int type, int format_id,
365 static struct inode *ext2_nfs_get_inode(struct super_block *sb, in ext2_nfs_get_inode() argument
370 if (ino < EXT2_FIRST_INO(sb) && ino != EXT2_ROOT_INO) in ext2_nfs_get_inode()
372 if (ino > le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count)) in ext2_nfs_get_inode()
380 inode = ext2_iget(sb, ino); in ext2_nfs_get_inode()
391 static struct dentry *ext2_fh_to_dentry(struct super_block *sb, struct fid *fid, in ext2_fh_to_dentry() argument
394 return generic_fh_to_dentry(sb, fid, fh_len, fh_type, in ext2_fh_to_dentry()
398 static struct dentry *ext2_fh_to_parent(struct super_block *sb, struct fid *fid, in ext2_fh_to_parent() argument
401 return generic_fh_to_parent(sb, fid, fh_len, fh_type, in ext2_fh_to_parent()
473 static int parse_options(char *options, struct super_block *sb, in parse_options() argument
509 ext2_msg(sb, KERN_ERR, "Invalid uid value %d", option); in parse_options()
520 ext2_msg(sb, KERN_ERR, "Invalid gid value %d", option); in parse_options()
569 ext2_msg(sb, KERN_INFO, "(no)user_xattr options" in parse_options()
583 ext2_msg(sb, KERN_INFO, in parse_options()
588 ext2_msg(sb, KERN_INFO, "use dax instead of xip"); in parse_options()
593 ext2_msg(sb, KERN_WARNING, in parse_options()
597 ext2_msg(sb, KERN_INFO, "dax option not supported"); in parse_options()
614 ext2_msg(sb, KERN_INFO, in parse_options()
621 ext2_msg(sb, KERN_INFO, "reservations ON"); in parse_options()
625 ext2_msg(sb, KERN_INFO, "reservations OFF"); in parse_options()
636 static int ext2_setup_super (struct super_block * sb, in ext2_setup_super() argument
641 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_setup_super()
644 ext2_msg(sb, KERN_ERR, in ext2_setup_super()
652 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
656 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
662 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
669 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
675 if (test_opt (sb, DEBUG)) in ext2_setup_super()
676 ext2_msg(sb, KERN_INFO, "%s, %s, bs=%lu, fs=%lu, gc=%lu, " in ext2_setup_super()
678 EXT2FS_VERSION, EXT2FS_DATE, sb->s_blocksize, in ext2_setup_super()
681 EXT2_BLOCKS_PER_GROUP(sb), in ext2_setup_super()
682 EXT2_INODES_PER_GROUP(sb), in ext2_setup_super()
687 static int ext2_check_descriptors(struct super_block *sb) in ext2_check_descriptors() argument
690 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_check_descriptors()
695 struct ext2_group_desc *gdp = ext2_get_group_desc(sb, i, NULL); in ext2_check_descriptors()
696 ext2_fsblk_t first_block = ext2_group_first_block_no(sb, i); in ext2_check_descriptors()
697 ext2_fsblk_t last_block = ext2_group_last_block_no(sb, i); in ext2_check_descriptors()
702 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
711 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
721 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
789 static unsigned long descriptor_loc(struct super_block *sb, in descriptor_loc() argument
793 struct ext2_sb_info *sbi = EXT2_SB(sb); in descriptor_loc()
798 if (!EXT2_HAS_INCOMPAT_FEATURE(sb, EXT2_FEATURE_INCOMPAT_META_BG) || in descriptor_loc()
803 return ext2_group_first_block_no(sb, bg) + ext2_bg_has_super(sb, bg); in descriptor_loc()
806 static int ext2_fill_super(struct super_block *sb, void *data, int silent) in ext2_fill_super() argument
808 struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); in ext2_fill_super()
836 sb->s_fs_info = sbi; in ext2_fill_super()
850 blocksize = sb_min_blocksize(sb, BLOCK_SIZE); in ext2_fill_super()
852 ext2_msg(sb, KERN_ERR, "error: unable to set blocksize"); in ext2_fill_super()
867 if (!(bh = sb_bread(sb, logic_sb_block))) { in ext2_fill_super()
868 ext2_msg(sb, KERN_ERR, "error: unable to read superblock"); in ext2_fill_super()
877 sb->s_magic = le16_to_cpu(es->s_magic); in ext2_fill_super()
879 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
912 if (!parse_options((char *) data, sb, &opts)) in ext2_fill_super()
919 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_fill_super()
920 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_fill_super()
921 sb->s_iflags |= SB_I_CGROUPWB; in ext2_fill_super()
924 (EXT2_HAS_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
925 EXT2_HAS_RO_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
926 EXT2_HAS_INCOMPAT_FEATURE(sb, ~0U))) in ext2_fill_super()
927 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
935 features = EXT2_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP); in ext2_fill_super()
937 ext2_msg(sb, KERN_ERR, "error: couldn't mount because of " in ext2_fill_super()
942 if (!sb_rdonly(sb) && (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){ in ext2_fill_super()
943 ext2_msg(sb, KERN_ERR, "error: couldn't mount RDWR because of " in ext2_fill_super()
951 if (test_opt(sb, DAX)) { in ext2_fill_super()
952 if (!bdev_dax_supported(sb->s_bdev, blocksize)) { in ext2_fill_super()
953 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
960 if (sb->s_blocksize != blocksize) { in ext2_fill_super()
963 if (!sb_set_blocksize(sb, blocksize)) { in ext2_fill_super()
964 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
971 bh = sb_bread(sb, logic_sb_block); in ext2_fill_super()
973 ext2_msg(sb, KERN_ERR, "error: couldn't read" in ext2_fill_super()
980 ext2_msg(sb, KERN_ERR, "error: magic mismatch"); in ext2_fill_super()
985 sb->s_maxbytes = ext2_max_size(sb->s_blocksize_bits); in ext2_fill_super()
986 sb->s_max_links = EXT2_LINK_MAX; in ext2_fill_super()
987 sb->s_time_min = S32_MIN; in ext2_fill_super()
988 sb->s_time_max = S32_MAX; in ext2_fill_super()
999 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1010 sbi->s_frags_per_block = sb->s_blocksize / sbi->s_frag_size; in ext2_fill_super()
1016 sbi->s_inodes_per_block = sb->s_blocksize / EXT2_INODE_SIZE(sb); in ext2_fill_super()
1021 sbi->s_desc_per_block = sb->s_blocksize / in ext2_fill_super()
1026 ilog2 (EXT2_ADDR_PER_BLOCK(sb)); in ext2_fill_super()
1028 ilog2 (EXT2_DESC_PER_BLOCK(sb)); in ext2_fill_super()
1030 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
1033 if (sb->s_blocksize != bh->b_size) { in ext2_fill_super()
1035 ext2_msg(sb, KERN_ERR, "error: unsupported blocksize"); in ext2_fill_super()
1039 if (sb->s_blocksize != sbi->s_frag_size) { in ext2_fill_super()
1040 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1043 sbi->s_frag_size, sb->s_blocksize); in ext2_fill_super()
1047 if (sbi->s_blocks_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1048 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1053 if (sbi->s_frags_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1054 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1059 if (sbi->s_inodes_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1060 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1066 if (EXT2_BLOCKS_PER_GROUP(sb) == 0) in ext2_fill_super()
1070 / EXT2_BLOCKS_PER_GROUP(sb)) + 1; in ext2_fill_super()
1071 db_count = (sbi->s_groups_count + EXT2_DESC_PER_BLOCK(sb) - 1) / in ext2_fill_super()
1072 EXT2_DESC_PER_BLOCK(sb); in ext2_fill_super()
1078 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1085 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1089 block = descriptor_loc(sb, logic_sb_block, i); in ext2_fill_super()
1090 sbi->s_group_desc[i] = sb_bread(sb, block); in ext2_fill_super()
1094 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1099 if (!ext2_check_descriptors (sb)) { in ext2_fill_super()
1100 ext2_msg(sb, KERN_ERR, "group descriptors corrupted"); in ext2_fill_super()
1120 ext2_rsv_window_add(sb, &sbi->s_rsv_window_head); in ext2_fill_super()
1123 ext2_count_free_blocks(sb), GFP_KERNEL); in ext2_fill_super()
1126 ext2_count_free_inodes(sb), GFP_KERNEL); in ext2_fill_super()
1130 ext2_count_dirs(sb), GFP_KERNEL); in ext2_fill_super()
1134 ext2_msg(sb, KERN_ERR, "error: insufficient memory"); in ext2_fill_super()
1142 ext2_msg(sb, KERN_ERR, "Failed to create ea_block_cache"); in ext2_fill_super()
1149 sb->s_op = &ext2_sops; in ext2_fill_super()
1150 sb->s_export_op = &ext2_export_ops; in ext2_fill_super()
1151 sb->s_xattr = ext2_xattr_handlers; in ext2_fill_super()
1154 sb->dq_op = &dquot_operations; in ext2_fill_super()
1155 sb->s_qcop = &ext2_quotactl_ops; in ext2_fill_super()
1156 sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; in ext2_fill_super()
1159 root = ext2_iget(sb, EXT2_ROOT_INO); in ext2_fill_super()
1166 ext2_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck"); in ext2_fill_super()
1170 sb->s_root = d_make_root(root); in ext2_fill_super()
1171 if (!sb->s_root) { in ext2_fill_super()
1172 ext2_msg(sb, KERN_ERR, "error: get root inode failed"); in ext2_fill_super()
1176 if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) in ext2_fill_super()
1177 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
1179 if (ext2_setup_super (sb, es, sb_rdonly(sb))) in ext2_fill_super()
1180 sb->s_flags |= SB_RDONLY; in ext2_fill_super()
1181 ext2_write_super(sb); in ext2_fill_super()
1186 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1188 sb->s_id); in ext2_fill_super()
1204 sb->s_fs_info = NULL; in ext2_fill_super()
1212 static void ext2_clear_super_error(struct super_block *sb) in ext2_clear_super_error() argument
1214 struct buffer_head *sbh = EXT2_SB(sb)->s_sbh; in ext2_clear_super_error()
1225 ext2_msg(sb, KERN_ERR, in ext2_clear_super_error()
1232 void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es, in ext2_sync_super() argument
1235 ext2_clear_super_error(sb); in ext2_sync_super()
1236 spin_lock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1237 es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb)); in ext2_sync_super()
1238 es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb)); in ext2_sync_super()
1241 spin_unlock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1242 mark_buffer_dirty(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1244 sync_dirty_buffer(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1257 static int ext2_sync_fs(struct super_block *sb, int wait) in ext2_sync_fs() argument
1259 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_sync_fs()
1260 struct ext2_super_block *es = EXT2_SB(sb)->s_es; in ext2_sync_fs()
1266 dquot_writeback_dquots(sb, -1); in ext2_sync_fs()
1274 ext2_sync_super(sb, es, wait); in ext2_sync_fs()
1278 static int ext2_freeze(struct super_block *sb) in ext2_freeze() argument
1280 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_freeze()
1287 if (atomic_long_read(&sb->s_remove_count)) { in ext2_freeze()
1288 ext2_sync_fs(sb, 1); in ext2_freeze()
1295 ext2_sync_super(sb, sbi->s_es, 1); in ext2_freeze()
1300 static int ext2_unfreeze(struct super_block *sb) in ext2_unfreeze() argument
1303 ext2_write_super(sb); in ext2_unfreeze()
1308 static void ext2_write_super(struct super_block *sb) in ext2_write_super() argument
1310 if (!sb_rdonly(sb)) in ext2_write_super()
1311 ext2_sync_fs(sb, 1); in ext2_write_super()
1314 static int ext2_remount (struct super_block * sb, int * flags, char * data) in ext2_remount() argument
1316 struct ext2_sb_info * sbi = EXT2_SB(sb); in ext2_remount()
1321 sync_filesystem(sb); in ext2_remount()
1329 if (!parse_options(data, sb, &new_opts)) in ext2_remount()
1335 ext2_msg(sb, KERN_WARNING, "warning: refusing change of " in ext2_remount()
1339 if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) in ext2_remount()
1354 err = dquot_suspend(sb, -1); in ext2_remount()
1358 ext2_sync_super(sb, es, 1); in ext2_remount()
1360 __le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb, in ext2_remount()
1364 ext2_msg(sb, KERN_WARNING, in ext2_remount()
1376 if (!ext2_setup_super (sb, es, 0)) in ext2_remount()
1377 sb->s_flags &= ~SB_RDONLY; in ext2_remount()
1380 ext2_write_super(sb); in ext2_remount()
1382 dquot_resume(sb, -1); in ext2_remount()
1390 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_remount()
1391 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_remount()
1399 struct super_block *sb = dentry->d_sb; in ext2_statfs() local
1400 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_statfs()
1406 if (test_opt (sb, MINIX_DF)) in ext2_statfs()
1430 overhead += ext2_bg_has_super(sb, i) + in ext2_statfs()
1431 ext2_bg_num_gdb(sb, i); in ext2_statfs()
1445 buf->f_bsize = sb->s_blocksize; in ext2_statfs()
1447 buf->f_bfree = ext2_count_free_blocks(sb); in ext2_statfs()
1453 buf->f_ffree = ext2_count_free_inodes(sb); in ext2_statfs()
1475 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, in ext2_quota_read() argument
1478 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_read()
1479 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_read()
1481 int offset = off & (sb->s_blocksize - 1); in ext2_quota_read()
1494 tocopy = sb->s_blocksize - offset < toread ? in ext2_quota_read()
1495 sb->s_blocksize - offset : toread; in ext2_quota_read()
1498 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_read()
1505 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_read()
1520 static ssize_t ext2_quota_write(struct super_block *sb, int type, in ext2_quota_write() argument
1523 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_write()
1524 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_write()
1526 int offset = off & (sb->s_blocksize - 1); in ext2_quota_write()
1533 tocopy = sb->s_blocksize - offset < towrite ? in ext2_quota_write()
1534 sb->s_blocksize - offset : towrite; in ext2_quota_write()
1537 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_write()
1541 if (offset || tocopy != EXT2_BLOCK_SIZE(sb)) in ext2_quota_write()
1542 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1544 bh = sb_getblk(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1572 static int ext2_quota_on(struct super_block *sb, int type, int format_id, in ext2_quota_on() argument
1578 err = dquot_quota_on(sb, type, format_id, path); in ext2_quota_on()
1593 static int ext2_quota_off(struct super_block *sb, int type) in ext2_quota_off() argument
1595 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_off()
1601 err = dquot_quota_off(sb, type); in ext2_quota_off()
1614 return dquot_quota_off(sb, type); in ext2_quota_off()