From 80e543ae24db8f03241004136cb5bb37586fba70 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Thu, 23 Jul 2020 22:45:58 -0700
Subject: [PATCH] xfs: use ENOTBLK for direct I/O to buffered I/O fallback
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>
---
fs/xfs/xfs_file.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 00db81eac80d6..a6ef90457abf9 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -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;
}
--
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