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xfs: use ENOTBLK for direct I/O to buffered I/O fallback

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2020-07-23 22:45:58 -07:00 committed by Darrick J. Wong
parent 54752de928
commit 80e543ae24
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/xfs_file.c
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@ -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;
}