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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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