fs/btrfs/inode.c

7216 static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend,
7228 			if (!try_lock_extent(io_tree, lockstart, lockend,
7232 			lock_extent(io_tree, lockstart, lockend, cached_state);
7240 						     lockend - lockstart + 1);
7251 							 lockstart, lockend)))
7254 		unlock_extent(io_tree, lockstart, lockend, cached_state);
7504 	u64 lockstart, lockend;
7533 	lockend = start + len - 1;
7557 							  lockstart, lockend))
7594 	ret = lock_extent_direct(inode, lockstart, lockend, &cached_state, flags);
7698 		if (lockstart < lockend)
7703 		unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,
7729 	unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,
9940 				u64 lockend,
10011 	unlock_extent(io_tree, start, lockend, cached_state);
10098 					  u64 start, u64 lockend,
10127 	unlock_extent(io_tree, start, lockend, cached_state);
10170 	u64 start, lockend, disk_bytenr, disk_io_size;
10188 	lockend = start + BTRFS_MAX_UNCOMPRESSED - 1;
10194 					       lockend - start + 1);
10197 		lock_extent(io_tree, start, lockend, &cached_state);
10199 						     lockend - start + 1);
10203 		unlock_extent(io_tree, start, lockend, &cached_state);
10207 	em = btrfs_get_extent(inode, NULL, start, lockend - start + 1);
10222 		ret = btrfs_encoded_read_inline(iocb, iter, start, lockend,
10267 		disk_io_size = min(lockend + 1, iocb->ki_pos + encoded->len) - start;
10277 		unlock_extent(io_tree, start, lockend, &cached_state);
10284 		ret = btrfs_encoded_read_regular(iocb, iter, start, lockend,
10298 		unlock_extent(io_tree, start, lockend, &cached_state);