On Thu, Jan 30, 2025 at 03:39:20PM -0500, Martin K. Petersen wrote: > It already works that way. If a device advertises being > integrity-capable, the block layer will automatically generate > protection information on write and verify received protection > information on read. Leveraging hardware-accelerated CRC calculation if > the CPU is capable (PCLMULQDQ, etc.). So I'm confused. If that's the case, why do we need Kanchan Joshi's patch to set some magic bio flag and adding a mount option to btrfs? - Ted