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
238 struct super_block *sb = root->d_sb; in ext2_show_options() local
239 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_show_options()
248 if (test_opt(sb, MINIX_DF)) in ext2_show_options()
250 if (test_opt(sb, GRPID)) in ext2_show_options()
252 if (!test_opt(sb, GRPID) && (def_mount_opts & EXT2_DEFM_BSDGROUPS)) in ext2_show_options()
264 if (test_opt(sb, ERRORS_RO)) { in ext2_show_options()
272 if (test_opt(sb, ERRORS_CONT)) in ext2_show_options()
274 if (test_opt(sb, ERRORS_PANIC)) in ext2_show_options()
276 if (test_opt(sb, NO_UID32)) in ext2_show_options()
278 if (test_opt(sb, DEBUG)) in ext2_show_options()
280 if (test_opt(sb, OLDALLOC)) in ext2_show_options()
284 if (test_opt(sb, XATTR_USER)) in ext2_show_options()
286 if (!test_opt(sb, XATTR_USER) && in ext2_show_options()
293 if (test_opt(sb, POSIX_ACL)) in ext2_show_options()
295 if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT2_DEFM_ACL)) in ext2_show_options()
299 if (test_opt(sb, NOBH)) in ext2_show_options()
302 if (test_opt(sb, USRQUOTA)) in ext2_show_options()
305 if (test_opt(sb, GRPQUOTA)) in ext2_show_options()
308 if (test_opt(sb, XIP)) in ext2_show_options()
311 if (test_opt(sb, DAX)) in ext2_show_options()
314 if (!test_opt(sb, RESERVATION)) in ext2_show_options()
322 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off…
323 static ssize_t ext2_quota_write(struct super_block *sb, int type, const char *data, size_t len, lof…
324 static int ext2_quota_on(struct super_block *sb, int type, int format_id,
362 static struct inode *ext2_nfs_get_inode(struct super_block *sb, in ext2_nfs_get_inode() argument
367 if (ino < EXT2_FIRST_INO(sb) && ino != EXT2_ROOT_INO) in ext2_nfs_get_inode()
369 if (ino > le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count)) in ext2_nfs_get_inode()
377 inode = ext2_iget(sb, ino); in ext2_nfs_get_inode()
388 static struct dentry *ext2_fh_to_dentry(struct super_block *sb, struct fid *fid, in ext2_fh_to_dentry() argument
391 return generic_fh_to_dentry(sb, fid, fh_len, fh_type, in ext2_fh_to_dentry()
395 static struct dentry *ext2_fh_to_parent(struct super_block *sb, struct fid *fid, in ext2_fh_to_parent() argument
398 return generic_fh_to_parent(sb, fid, fh_len, fh_type, in ext2_fh_to_parent()
470 static int parse_options(char *options, struct super_block *sb, in parse_options() argument
506 ext2_msg(sb, KERN_ERR, "Invalid uid value %d", option); in parse_options()
517 ext2_msg(sb, KERN_ERR, "Invalid gid value %d", option); in parse_options()
566 ext2_msg(sb, KERN_INFO, "(no)user_xattr options" in parse_options()
580 ext2_msg(sb, KERN_INFO, in parse_options()
585 ext2_msg(sb, KERN_INFO, "use dax instead of xip"); in parse_options()
590 ext2_msg(sb, KERN_WARNING, in parse_options()
594 ext2_msg(sb, KERN_INFO, "dax option not supported"); in parse_options()
611 ext2_msg(sb, KERN_INFO, in parse_options()
618 ext2_msg(sb, KERN_INFO, "reservations ON"); in parse_options()
622 ext2_msg(sb, KERN_INFO, "reservations OFF"); in parse_options()
633 static int ext2_setup_super (struct super_block * sb, in ext2_setup_super() argument
638 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_setup_super()
641 ext2_msg(sb, KERN_ERR, in ext2_setup_super()
649 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
653 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
659 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
666 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
672 if (test_opt (sb, DEBUG)) in ext2_setup_super()
673 ext2_msg(sb, KERN_INFO, "%s, %s, bs=%lu, fs=%lu, gc=%lu, " in ext2_setup_super()
675 EXT2FS_VERSION, EXT2FS_DATE, sb->s_blocksize, in ext2_setup_super()
678 EXT2_BLOCKS_PER_GROUP(sb), in ext2_setup_super()
679 EXT2_INODES_PER_GROUP(sb), in ext2_setup_super()
684 static int ext2_check_descriptors(struct super_block *sb) in ext2_check_descriptors() argument
687 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_check_descriptors()
692 struct ext2_group_desc *gdp = ext2_get_group_desc(sb, i, NULL); in ext2_check_descriptors()
693 ext2_fsblk_t first_block = ext2_group_first_block_no(sb, i); in ext2_check_descriptors()
694 ext2_fsblk_t last_block = ext2_group_last_block_no(sb, i); in ext2_check_descriptors()
699 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
708 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
718 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
786 static unsigned long descriptor_loc(struct super_block *sb, in descriptor_loc() argument
790 struct ext2_sb_info *sbi = EXT2_SB(sb); in descriptor_loc()
795 if (!EXT2_HAS_INCOMPAT_FEATURE(sb, EXT2_FEATURE_INCOMPAT_META_BG) || in descriptor_loc()
800 return ext2_group_first_block_no(sb, bg) + ext2_bg_has_super(sb, bg); in descriptor_loc()
803 static int ext2_fill_super(struct super_block *sb, void *data, int silent) in ext2_fill_super() argument
805 struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); in ext2_fill_super()
833 sb->s_fs_info = sbi; in ext2_fill_super()
847 blocksize = sb_min_blocksize(sb, BLOCK_SIZE); in ext2_fill_super()
849 ext2_msg(sb, KERN_ERR, "error: unable to set blocksize"); in ext2_fill_super()
864 if (!(bh = sb_bread(sb, logic_sb_block))) { in ext2_fill_super()
865 ext2_msg(sb, KERN_ERR, "error: unable to read superblock"); in ext2_fill_super()
874 sb->s_magic = le16_to_cpu(es->s_magic); in ext2_fill_super()
876 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
909 if (!parse_options((char *) data, sb, &opts)) in ext2_fill_super()
916 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_fill_super()
917 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_fill_super()
918 sb->s_iflags |= SB_I_CGROUPWB; in ext2_fill_super()
921 (EXT2_HAS_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
922 EXT2_HAS_RO_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
923 EXT2_HAS_INCOMPAT_FEATURE(sb, ~0U))) in ext2_fill_super()
924 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
932 features = EXT2_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP); in ext2_fill_super()
934 ext2_msg(sb, KERN_ERR, "error: couldn't mount because of " in ext2_fill_super()
939 if (!sb_rdonly(sb) && (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){ in ext2_fill_super()
940 ext2_msg(sb, KERN_ERR, "error: couldn't mount RDWR because of " in ext2_fill_super()
948 if (test_opt(sb, DAX)) { in ext2_fill_super()
949 if (!dax_supported(dax_dev, sb->s_bdev, blocksize, 0, in ext2_fill_super()
950 bdev_nr_sectors(sb->s_bdev))) { in ext2_fill_super()
951 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
958 if (sb->s_blocksize != blocksize) { in ext2_fill_super()
961 if (!sb_set_blocksize(sb, blocksize)) { in ext2_fill_super()
962 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
969 bh = sb_bread(sb, logic_sb_block); in ext2_fill_super()
971 ext2_msg(sb, KERN_ERR, "error: couldn't read" in ext2_fill_super()
978 ext2_msg(sb, KERN_ERR, "error: magic mismatch"); in ext2_fill_super()
983 sb->s_maxbytes = ext2_max_size(sb->s_blocksize_bits); in ext2_fill_super()
984 sb->s_max_links = EXT2_LINK_MAX; in ext2_fill_super()
985 sb->s_time_min = S32_MIN; in ext2_fill_super()
986 sb->s_time_max = S32_MAX; in ext2_fill_super()
997 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1008 sbi->s_frags_per_block = sb->s_blocksize / sbi->s_frag_size; in ext2_fill_super()
1014 sbi->s_inodes_per_block = sb->s_blocksize / EXT2_INODE_SIZE(sb); in ext2_fill_super()
1019 sbi->s_desc_per_block = sb->s_blocksize / in ext2_fill_super()
1024 ilog2 (EXT2_ADDR_PER_BLOCK(sb)); in ext2_fill_super()
1026 ilog2 (EXT2_DESC_PER_BLOCK(sb)); in ext2_fill_super()
1028 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
1031 if (sb->s_blocksize != bh->b_size) { in ext2_fill_super()
1033 ext2_msg(sb, KERN_ERR, "error: unsupported blocksize"); in ext2_fill_super()
1037 if (sb->s_blocksize != sbi->s_frag_size) { in ext2_fill_super()
1038 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1041 sbi->s_frag_size, sb->s_blocksize); in ext2_fill_super()
1045 if (sbi->s_blocks_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1046 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1051 if (sbi->s_frags_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1052 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1057 if (sbi->s_inodes_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1058 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1064 if (EXT2_BLOCKS_PER_GROUP(sb) == 0) in ext2_fill_super()
1068 / EXT2_BLOCKS_PER_GROUP(sb)) + 1; in ext2_fill_super()
1069 db_count = (sbi->s_groups_count + EXT2_DESC_PER_BLOCK(sb) - 1) / in ext2_fill_super()
1070 EXT2_DESC_PER_BLOCK(sb); in ext2_fill_super()
1076 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1083 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1087 block = descriptor_loc(sb, logic_sb_block, i); in ext2_fill_super()
1088 sbi->s_group_desc[i] = sb_bread(sb, block); in ext2_fill_super()
1092 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1097 if (!ext2_check_descriptors (sb)) { in ext2_fill_super()
1098 ext2_msg(sb, KERN_ERR, "group descriptors corrupted"); in ext2_fill_super()
1118 ext2_rsv_window_add(sb, &sbi->s_rsv_window_head); in ext2_fill_super()
1121 ext2_count_free_blocks(sb), GFP_KERNEL); in ext2_fill_super()
1124 ext2_count_free_inodes(sb), GFP_KERNEL); in ext2_fill_super()
1128 ext2_count_dirs(sb), GFP_KERNEL); in ext2_fill_super()
1132 ext2_msg(sb, KERN_ERR, "error: insufficient memory"); in ext2_fill_super()
1140 ext2_msg(sb, KERN_ERR, "Failed to create ea_block_cache"); in ext2_fill_super()
1147 sb->s_op = &ext2_sops; in ext2_fill_super()
1148 sb->s_export_op = &ext2_export_ops; in ext2_fill_super()
1149 sb->s_xattr = ext2_xattr_handlers; in ext2_fill_super()
1152 sb->dq_op = &dquot_operations; in ext2_fill_super()
1153 sb->s_qcop = &ext2_quotactl_ops; in ext2_fill_super()
1154 sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; in ext2_fill_super()
1157 root = ext2_iget(sb, EXT2_ROOT_INO); in ext2_fill_super()
1164 ext2_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck"); in ext2_fill_super()
1168 sb->s_root = d_make_root(root); in ext2_fill_super()
1169 if (!sb->s_root) { in ext2_fill_super()
1170 ext2_msg(sb, KERN_ERR, "error: get root inode failed"); in ext2_fill_super()
1174 if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) in ext2_fill_super()
1175 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
1177 if (ext2_setup_super (sb, es, sb_rdonly(sb))) in ext2_fill_super()
1178 sb->s_flags |= SB_RDONLY; in ext2_fill_super()
1179 ext2_write_super(sb); in ext2_fill_super()
1184 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1186 sb->s_id); in ext2_fill_super()
1202 sb->s_fs_info = NULL; in ext2_fill_super()
1210 static void ext2_clear_super_error(struct super_block *sb) in ext2_clear_super_error() argument
1212 struct buffer_head *sbh = EXT2_SB(sb)->s_sbh; in ext2_clear_super_error()
1223 ext2_msg(sb, KERN_ERR, in ext2_clear_super_error()
1230 void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es, in ext2_sync_super() argument
1233 ext2_clear_super_error(sb); in ext2_sync_super()
1234 spin_lock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1235 es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb)); in ext2_sync_super()
1236 es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb)); in ext2_sync_super()
1239 spin_unlock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1240 mark_buffer_dirty(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1242 sync_dirty_buffer(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1255 static int ext2_sync_fs(struct super_block *sb, int wait) in ext2_sync_fs() argument
1257 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_sync_fs()
1258 struct ext2_super_block *es = EXT2_SB(sb)->s_es; in ext2_sync_fs()
1264 dquot_writeback_dquots(sb, -1); in ext2_sync_fs()
1272 ext2_sync_super(sb, es, wait); in ext2_sync_fs()
1276 static int ext2_freeze(struct super_block *sb) in ext2_freeze() argument
1278 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_freeze()
1285 if (atomic_long_read(&sb->s_remove_count)) { in ext2_freeze()
1286 ext2_sync_fs(sb, 1); in ext2_freeze()
1293 ext2_sync_super(sb, sbi->s_es, 1); in ext2_freeze()
1298 static int ext2_unfreeze(struct super_block *sb) in ext2_unfreeze() argument
1301 ext2_write_super(sb); in ext2_unfreeze()
1306 static void ext2_write_super(struct super_block *sb) in ext2_write_super() argument
1308 if (!sb_rdonly(sb)) in ext2_write_super()
1309 ext2_sync_fs(sb, 1); in ext2_write_super()
1312 static int ext2_remount (struct super_block * sb, int * flags, char * data) in ext2_remount() argument
1314 struct ext2_sb_info * sbi = EXT2_SB(sb); in ext2_remount()
1319 sync_filesystem(sb); in ext2_remount()
1327 if (!parse_options(data, sb, &new_opts)) in ext2_remount()
1333 ext2_msg(sb, KERN_WARNING, "warning: refusing change of " in ext2_remount()
1337 if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) in ext2_remount()
1352 err = dquot_suspend(sb, -1); in ext2_remount()
1356 ext2_sync_super(sb, es, 1); in ext2_remount()
1358 __le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb, in ext2_remount()
1362 ext2_msg(sb, KERN_WARNING, in ext2_remount()
1374 if (!ext2_setup_super (sb, es, 0)) in ext2_remount()
1375 sb->s_flags &= ~SB_RDONLY; in ext2_remount()
1378 ext2_write_super(sb); in ext2_remount()
1380 dquot_resume(sb, -1); in ext2_remount()
1388 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_remount()
1389 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_remount()
1397 struct super_block *sb = dentry->d_sb; in ext2_statfs() local
1398 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_statfs()
1403 if (test_opt (sb, MINIX_DF)) in ext2_statfs()
1427 overhead += ext2_bg_has_super(sb, i) + in ext2_statfs()
1428 ext2_bg_num_gdb(sb, i); in ext2_statfs()
1442 buf->f_bsize = sb->s_blocksize; in ext2_statfs()
1444 buf->f_bfree = ext2_count_free_blocks(sb); in ext2_statfs()
1450 buf->f_ffree = ext2_count_free_inodes(sb); in ext2_statfs()
1470 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, in ext2_quota_read() argument
1473 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_read()
1474 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_read()
1476 int offset = off & (sb->s_blocksize - 1); in ext2_quota_read()
1489 tocopy = sb->s_blocksize - offset < toread ? in ext2_quota_read()
1490 sb->s_blocksize - offset : toread; in ext2_quota_read()
1493 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_read()
1500 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_read()
1515 static ssize_t ext2_quota_write(struct super_block *sb, int type, in ext2_quota_write() argument
1518 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_write()
1519 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_write()
1521 int offset = off & (sb->s_blocksize - 1); in ext2_quota_write()
1528 tocopy = sb->s_blocksize - offset < towrite ? in ext2_quota_write()
1529 sb->s_blocksize - offset : towrite; in ext2_quota_write()
1532 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_write()
1536 if (offset || tocopy != EXT2_BLOCK_SIZE(sb)) in ext2_quota_write()
1537 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1539 bh = sb_getblk(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1567 static int ext2_quota_on(struct super_block *sb, int type, int format_id, in ext2_quota_on() argument
1573 err = dquot_quota_on(sb, type, format_id, path); in ext2_quota_on()
1588 static int ext2_quota_off(struct super_block *sb, int type) in ext2_quota_off() argument
1590 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_off()
1596 err = dquot_quota_off(sb, type); in ext2_quota_off()
1609 return dquot_quota_off(sb, type); in ext2_quota_off()