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Message-ID: <555cc3e262efa77ee5648196362f415a1efc018d.1709361537.git.ritesh.list@gmail.com>
Date: Sat, 2 Mar 2024 13:11:58 +0530
From: "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
To: linux-fsdevel@...r.kernel.org,
linux-ext4@...r.kernel.org
Cc: Ojaswin Mujoo <ojaswin@...ux.ibm.com>,
Jan Kara <jack@...e.cz>,
Theodore Ts'o <tytso@....edu>,
Matthew Wilcox <willy@...radead.org>,
"Darrick J . Wong" <djwong@...nel.org>,
Luis Chamberlain <mcgrof@...nel.org>,
John Garry <john.g.garry@...cle.com>,
linux-kernel@...r.kernel.org,
Ritesh Harjani <ritesh.list@...il.com>
Subject: [RFC 1/8] fs: Add FS_XFLAG_ATOMICWRITES flag
From: John Garry <john.g.garry@...cle.com>
Add a flag indicating that a regular file is enabled for atomic writes.
Signed-off-by: John Garry <john.g.garry@...cle.com>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.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
--
2.43.0
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