xfs: use ENOTBLK for direct I/O to buffered I/O fallback (80e543ae) · Commits · 戴 / test

This is what the classic fs/direct-io.c implementation and thuse other file systems use. Signed-off-by:

fs/xfs/xfs_file.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -505,7 +505,7 @@ xfs_file_dio_aio_write(
		*/
		if (xfs_is_cow_inode(ip)) {
		trace_xfs_reflink_bounce_dio_write(ip, iocb->ki_pos, count);
		return -EREMCHG;
		return -ENOTBLK;
		}
		iolock = XFS_IOLOCK_EXCL;
		} else {
		@@ -714,7 +714,7 @@ xfs_file_write_iter(
		* allow an operation to fall back to buffered mode.
		*/
		ret = xfs_file_dio_aio_write(iocb, from);
		if (ret != -EREMCHG)
		if (ret != -ENOTBLK)
		return ret;
		}