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([49.205.218.89]) by smtp.gmail.com with ESMTPSA id x11-20020aa784cb000000b006e45c5d7720sm4138206pfn.93.2024.03.01.23.42.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Mar 2024 23:42:28 -0800 (PST) From: "Ritesh Harjani (IBM)" To: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Cc: Ojaswin Mujoo , Jan Kara , Theodore Ts'o , Matthew Wilcox , "Darrick J . Wong" , Luis Chamberlain , John Garry , linux-kernel@vger.kernel.org, Ritesh Harjani Subject: [RFC 1/8] fs: Add FS_XFLAG_ATOMICWRITES flag Date: Sat, 2 Mar 2024 13:11:58 +0530 Message-ID: <555cc3e262efa77ee5648196362f415a1efc018d.1709361537.git.ritesh.list@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792399537031373947 X-GMAIL-MSGID: 1792399537031373947 From: John Garry Add a flag indicating that a regular file is enabled for atomic writes. Signed-off-by: John Garry Signed-off-by: Ritesh Harjani (IBM) --- 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