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Message-Id: <20240124142645.9334-3-john.g.garry@oracle.com>
Date: Wed, 24 Jan 2024 14:26:41 +0000
From: John Garry <john.g.garry@...cle.com>
To: hch@....de, djwong@...nel.org, viro@...iv.linux.org.uk, brauner@...nel.org,
dchinner@...hat.com, jack@...e.cz, chandan.babu@...cle.com
Cc: martin.petersen@...cle.com, linux-kernel@...r.kernel.org,
linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
tytso@....edu, jbongio@...gle.com, ojaswin@...ux.ibm.com,
John Garry <john.g.garry@...cle.com>
Subject: [PATCH 2/6] fs: Add FS_XFLAG_ATOMICWRITES flag
Add a flag indicating that a regular file is enabled for atomic writes.
Signed-off-by: John Garry <john.g.garry@...cle.com>
---
include/uapi/linux/fs.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index a0975ae81e64..b5b4e1db9576 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -140,6 +140,7 @@ struct fsxattr {
#define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
#define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */
#define FS_XFLAG_COWEXTSIZE 0x00010000 /* CoW extent size allocator hint */
+#define FS_XFLAG_ATOMICWRITES 0x00020000 /* atomic writes enabled */
#define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
/* the read-only stuff doesn't really belong here, but any other place is
--
2.31.1
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