fs/zonefs/super.c

53 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
73 			atomic_inc(&sbi->s_active_seq_files);
82 		atomic_dec(&sbi->s_active_seq_files);
146 		struct zonefs_sb_info *sbi = ZONEFS_SB(inode->i_sb);
149 			atomic_dec(&sbi->s_active_seq_files);
157 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
164 	spin_lock(&sbi->s_lock);
172 		if (sbi->s_used_blocks > nr_blocks)
173 			sbi->s_used_blocks -= nr_blocks;
175 			sbi->s_used_blocks = 0;
177 		sbi->s_used_blocks +=
179 		if (sbi->s_used_blocks > sbi->s_blocks)
180 			sbi->s_used_blocks = sbi->s_blocks;
183 	spin_unlock(&sbi->s_lock);
264 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
310 	    (sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_ZOL)) {
318 		   (sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_ZRO)) {
325 	} else if (sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_RO &&
337 	if ((sbi->s_mount_opts & ZONEFS_MNTOPT_EXPLICIT_OPEN) &&
345 	if ((sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_RO) && !sb_rdonly(sb)) {
444 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
451 	spin_lock(&sbi->s_lock);
453 	buf->f_blocks = sbi->s_blocks;
454 	if (WARN_ON(sbi->s_used_blocks > sbi->s_blocks))
457 		buf->f_bfree = buf->f_blocks - sbi->s_used_blocks;
461 		if (sbi->s_zgroup[t].g_nr_zones)
462 			buf->f_files += sbi->s_zgroup[t].g_nr_zones + 1;
466 	spin_unlock(&sbi->s_lock);
468 	buf->f_fsid = uuid_to_fsid(sbi->s_uuid.b);
522 	struct zonefs_sb_info *sbi = ZONEFS_SB(root->d_sb);
524 	if (sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_RO)
526 	if (sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_ZRO)
528 	if (sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_ZOL)
530 	if (sbi->s_mount_opts & ZONEFS_MNTOPT_ERRORS_REPAIR)
628 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
643 	ino = z->z_sector >> sbi->s_zone_sectors_shift;
678 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
690 	inode->i_size = sbi->s_zgroup[ztype].g_nr_zones;
693 	inode->i_private = &sbi->s_zgroup[ztype];
709 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
721 		if (sbi->s_zgroup[ztype].g_nr_zones &&
751 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
762 		if (!sbi->s_zgroup[ZONEFS_ZTYPE_CNV].g_nr_zones)
788 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
812 		ino = z->z_sector >> sbi->s_zone_sectors_shift;
857 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
874 		if (sbi->s_features & ZONEFS_F_AGGRCNV) {
876 			if (!(sbi->s_zgroup[ZONEFS_ZTYPE_CNV].g_nr_zones) ||
878 				sbi->s_zgroup[ZONEFS_ZTYPE_CNV].g_nr_zones++;
882 			sbi->s_zgroup[ZONEFS_ZTYPE_CNV].g_nr_zones++;
887 		sbi->s_zgroup[ZONEFS_ZTYPE_SEQ].g_nr_zones++;
939 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
940 	struct zonefs_zone_group *zgroup = &sbi->s_zgroup[ztype];
979 		    (sbi->s_features & ZONEFS_F_AGGRCNV)) {
999 		    !(sbi->s_features & ZONEFS_F_AGGRCNV)) {
1011 		z->z_mode = S_IFREG | sbi->s_perm;
1012 		z->z_uid = sbi->s_uid;
1013 		z->z_gid = sbi->s_gid;
1023 		sbi->s_blocks += z->z_capacity >> sb->s_blocksize_bits;
1024 		sbi->s_used_blocks += z->z_wpoffset >> sb->s_blocksize_bits;
1058 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
1061 	if (!sbi)
1065 		kvfree(sbi->s_zgroup[ztype].g_zones);
1066 		sbi->s_zgroup[ztype].g_zones = NULL;
1110 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
1145 	sbi->s_features = le64_to_cpu(super->s_features);
1146 	if (sbi->s_features & ~ZONEFS_F_DEFINED_FEATURES) {
1148 			   sbi->s_features);
1152 	if (sbi->s_features & ZONEFS_F_UID) {
1153 		sbi->s_uid = make_kuid(current_user_ns(),
1155 		if (!uid_valid(sbi->s_uid)) {
1161 	if (sbi->s_features & ZONEFS_F_GID) {
1162 		sbi->s_gid = make_kgid(current_user_ns(),
1164 		if (!gid_valid(sbi->s_gid)) {
1170 	if (sbi->s_features & ZONEFS_F_PERM)
1171 		sbi->s_perm = le32_to_cpu(super->s_perm);
1178 	import_uuid(&sbi->s_uuid, super->s_uuid);
1196 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
1201 		if (!sbi->s_zgroup[ztype].g_nr_zones)
1208 		sbi->s_zgroup[ztype].g_inode = dir_inode;
1216 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
1219 	if (!sbi)
1223 		if (sbi->s_zgroup[ztype].g_inode) {
1224 			iput(sbi->s_zgroup[ztype].g_inode);
1225 			sbi->s_zgroup[ztype].g_inode = NULL;
1237 	struct zonefs_sb_info *sbi;
1254 	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
1255 	if (!sbi)
1258 	spin_lock_init(&sbi->s_lock);
1259 	sb->s_fs_info = sbi;
1271 	sbi->s_zone_sectors_shift = ilog2(bdev_zone_sectors(sb->s_bdev));
1272 	sbi->s_uid = GLOBAL_ROOT_UID;
1273 	sbi->s_gid = GLOBAL_ROOT_GID;
1274 	sbi->s_perm = 0640;
1275 	sbi->s_mount_opts = ctx->s_mount_opts;
1277 	atomic_set(&sbi->s_wro_seq_files, 0);
1278 	sbi->s_max_wro_seq_files = bdev_max_open_zones(sb->s_bdev);
1279 	atomic_set(&sbi->s_active_seq_files, 0);
1280 	sbi->s_max_active_seq_files = bdev_max_active_zones(sb->s_bdev);
1288 	if (!sbi->s_max_wro_seq_files &&
1289 	    !sbi->s_max_active_seq_files &&
1290 	    sbi->s_mount_opts & ZONEFS_MNTOPT_EXPLICIT_OPEN) {
1293 		sbi->s_mount_opts &= ~ZONEFS_MNTOPT_EXPLICIT_OPEN;
1315 		if (sbi->s_zgroup[ztype].g_nr_zones) {
1348 	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
1357 	kfree(sbi);
1376 	struct zonefs_sb_info *sbi = sb->s_fs_info;
1379 	/* Copy new options from ctx into sbi. */
1380 	sbi->s_mount_opts = ctx->s_mount_opts;