archives/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-03-08 03:44:45 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

fs/dax: Reject IOCB_ATOMIC in dax_iomap_rw()

Browse source 
The DAX write path does not support IOCB_ATOMIC, so reject it when set.

Suggested-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
John Garry 2025-07-24 08:12:13 +00:00 • committed by Carlos Maiolino
parent 82efde9cf2
commit e7fb9b7132
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
fs/dax.c
View file

@ -1743,6 +1743,9 @@ dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
loff_t done = 0;
int ret;
if (WARN_ON_ONCE(iocb->ki_flags & IOCB_ATOMIC))
return -EIO;
if (!iomi.len)
return 0;