Re: [PATCH v2 05/16] fs: Add RWF_ATOMIC and IOCB_ATOMIC flags for atomic write support

From: John Garry
Date: Mon Jan 22 2024 - 03:31:44 EST


On 12/12/2023 11:08, John Garry wrote:
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -301,9 +301,12 @@ typedef int __bitwise __kernel_rwf_t;
/* per-IO O_APPEND */
#define RWF_APPEND ((__force __kernel_rwf_t)0x00000010)
+/* Atomic Write */
+#define RWF_ATOMIC ((__force __kernel_rwf_t)0x00000020)
+

vfs maintainers, due to https://lore.kernel.org/linux-fsdevel/20240119191053.GT22081@xxxxxxxxxxxxxxxxxxxxx/T/#t, I now plan to change this value to 0x40.

Thanks,
John