fs/ufs/inode.c

88 static inline int grow_chain32(struct ufs_inode_info *ufsi,
96 		seq = read_seqbegin(&ufsi->meta_lock);
100 	} while (read_seqretry(&ufsi->meta_lock, seq));
104 static inline int grow_chain64(struct ufs_inode_info *ufsi,
112 		seq = read_seqbegin(&ufsi->meta_lock);
116 	} while (read_seqretry(&ufsi->meta_lock, seq));
127 	struct ufs_inode_info *ufsi = UFS_I(inode);
150 	if (!grow_chain32(ufsi, NULL, &ufsi->i_u1.i_data[*p++], chain, q))
164 		if (!grow_chain32(ufsi, bh, ptr, chain, ++q))
173 	if (!grow_chain64(ufsi, NULL, &ufsi->i_u1.u2_i_data[*p++], chain, q))
188 		if (!grow_chain64(ufsi, bh, ptr, chain, ++q))
225 	struct ufs_inode_info *ufsi = UFS_I(inode);
228 	unsigned lastfrag = ufsi->i_lastfrag;	/* it's a short file, so unsigned is enough */
239 	p = ufs_get_direct_data_ptr(uspi, ufsi, block);
260 	struct ufs_inode_info *ufsi = UFS_I(inode);
272 	p = ufs_get_direct_data_ptr(uspi, ufsi, index);
277 	lastfrag = ufsi->i_lastfrag;
286 				 ufs_get_direct_data_ptr(uspi, ufsi, index - 1));
313 	p = ufsi->i_u1.u2_i_data + block;
318 	lastfrag = ufsi->i_lastfrag;
566 	struct ufs_inode_info *ufsi = UFS_I(inode);
596 	ufsi->i_flags = fs32_to_cpu(sb, ufs_inode->ui_flags);
597 	ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
598 	ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
602 		memcpy(ufsi->i_u1.i_data, &ufs_inode->ui_u2.ui_addr,
605 		memcpy(ufsi->i_u1.i_symlink, ufs_inode->ui_u2.ui_symlink,
607 		ufsi->i_u1.i_symlink[sizeof(ufs_inode->ui_u2.ui_symlink) - 1] = 0;
614 	struct ufs_inode_info *ufsi = UFS_I(inode);
642 	ufsi->i_flags = fs32_to_cpu(sb, ufs2_inode->ui_flags);
644 	ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
645 	ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
649 		memcpy(ufsi->i_u1.u2_i_data, &ufs2_inode->ui_u2.ui_addr,
652 		memcpy(ufsi->i_u1.i_symlink, ufs2_inode->ui_u2.ui_symlink,
654 		ufsi->i_u1.i_symlink[sizeof(ufs2_inode->ui_u2.ui_symlink) - 1] = 0;
661 	struct ufs_inode_info *ufsi;
681 	ufsi = UFS_I(inode);
705 	ufsi->i_lastfrag =
707 	ufsi->i_dir_start_lookup = 0;
708 	ufsi->i_osync = 0;
724  	struct ufs_inode_info *ufsi = UFS_I(inode);
743 	ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
747 		ufs_inode->ui_u3.ui_sun.ui_shadow = cpu_to_fs32(sb, ufsi->i_shadow);
748 		ufs_inode->ui_u3.ui_sun.ui_oeftflag = cpu_to_fs32(sb, ufsi->i_oeftflag);
753 		ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.i_data[0];
755 		memcpy(&ufs_inode->ui_u2.ui_addr, ufsi->i_u1.i_data,
759 		memcpy(&ufs_inode->ui_u2.ui_symlink, ufsi->i_u1.i_symlink,
770  	struct ufs_inode_info *ufsi = UFS_I(inode);
791 	ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
796 		ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.u2_i_data[0];
798 		memcpy(&ufs_inode->ui_u2.ui_addr, ufsi->i_u1.u2_i_data,
801 		memcpy(&ufs_inode->ui_u2.ui_symlink, ufsi->i_u1.i_symlink,
903 	struct ufs_inode_info *ufsi = UFS_I(inode);
917 	frag4 = min_t(u64, UFS_NDIR_FRAGMENT, ufsi->i_lastfrag);
941 	p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag1));
955 		p = ufs_get_direct_data_ptr(uspi, ufsi, i);
959 		write_seqlock(&ufsi->meta_lock);
961 		write_sequnlock(&ufsi->meta_lock);
974 	p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag3));
979 	write_seqlock(&ufsi->meta_lock);
981 	write_sequnlock(&ufsi->meta_lock);
1131 	struct ufs_inode_info *ufsi = UFS_I(inode);
1155 	mutex_lock(&ufsi->truncate_mutex);
1161 		p = ufs_get_direct_data_ptr(uspi, ufsi, offsets[0]++);
1168 				write_seqlock(&ufsi->meta_lock);
1170 				write_sequnlock(&ufsi->meta_lock);
1179 		p = ufs_get_direct_data_ptr(uspi, ufsi, i);
1182 			write_seqlock(&ufsi->meta_lock);
1184 			write_sequnlock(&ufsi->meta_lock);
1188 	read_seqlock_excl(&ufsi->meta_lock);
1189 	ufsi->i_lastfrag = DIRECT_FRAGMENT;
1190 	read_sequnlock_excl(&ufsi->meta_lock);
1192 	mutex_unlock(&ufsi->truncate_mutex);