Re: [f2fs-dev] [PATCH v4] f2fs: Use allocate_section_policy to control write priority in multi-devices setups

2025-08-28 Thread Chao Yu via Linux-f2fs-devel
On 8/28/2025 4:11 PM, Liao Yuanhong wrote: Introduces two new sys nodes: allocate_section_hint and allocate_section_policy. The allocate_section_hint identifies the boundary between devices, measured in sections; it defaults to the end of the device for single storage setups, and the end of the f

Re: [f2fs-dev] [PATCH] f2fs: allocate HOT_DATA for IPU writes

2025-08-28 Thread Chao Yu via Linux-f2fs-devel
On 8/28/2025 11:23 PM, Jaegeuk Kim wrote: On 08/28, Chao Yu wrote: On 8/28/25 05:52, Jaegeuk Kim via Linux-f2fs-devel wrote: Let's split IPU writes in hot data area to improve the GC efficiency. I didn't get it, IPU may be not friendly for migrating data along w/ write in hot area? This dea

Re: [f2fs-dev] [PATCH kvm-next V11 0/7] Add NUMA mempolicy support for KVM guest-memfd

2025-08-28 Thread David Hildenbrand via Linux-f2fs-devel
On 27.08.25 19:52, Shivank Garg wrote: This series introduces NUMA-aware memory placement support for KVM guests with guest_memfd memory backends. It builds upon Fuad Tabba's work (V17) that enabled host-mapping for guest_memfd memory [1] and can be applied directly applied on KVM tree [2] (branc

Re: [f2fs-dev] [PATCH] f2fs: allocate HOT_DATA for IPU writes

2025-08-28 Thread Jaegeuk Kim via Linux-f2fs-devel
On 08/28, Chao Yu wrote: > On 8/28/25 05:52, Jaegeuk Kim via Linux-f2fs-devel wrote: > > Let's split IPU writes in hot data area to improve the GC efficiency. > > I didn't get it, IPU may be not friendly for migrating data along w/ write in > hot area? This deals with IPU in the LFS mode. > > T

[f2fs-dev] [RFC PATCH] f2fs: f2fs support uncached buffer I/O read and write

2025-08-28 Thread Qi Han via Linux-f2fs-devel
In the link [1], we adapted uncached buffer I/O read support in f2fs. Now, let's move forward to enabling uncached buffer I/O write support in f2fs. In f2fs_write_end_io, a separate asynchronous workqueue is created to perform the page drop operation for bios that contain pages of type FGP_DONTCAC

Re: [f2fs-dev] [PATCH kvm-next V11 4/7] KVM: guest_memfd: Use guest mem inodes instead of anonymous inodes

2025-08-28 Thread David Hildenbrand via Linux-f2fs-devel
On 28.08.25 00:43, Ackerley Tng wrote: Shivank Garg writes: [...snip...] I meant to send this to you before this version went out but you were too quick! Here's a new version, Fuad and I reviewed this again internally. The changes are: + Sort linux/pseudo_fs.h after linux/pagemap.h (alph

[f2fs-dev] [PATCH v4] f2fs: Use allocate_section_policy to control write priority in multi-devices setups

2025-08-28 Thread Liao Yuanhong via Linux-f2fs-devel
Introduces two new sys nodes: allocate_section_hint and allocate_section_policy. The allocate_section_hint identifies the boundary between devices, measured in sections; it defaults to the end of the device for single storage setups, and the end of the first device for multiple storage setups. The

Re: [f2fs-dev] [PATCH v3] f2fs: Use allocate_section_policy to control write priority in multi-devices setups

2025-08-28 Thread Liao Yuanhong via Linux-f2fs-devel
On 8/28/2025 10:10 AM, Chao Yu wrote: On 8/26/25 22:05, Liao Yuanhong wrote: Introduces two new sys nodes: allocate_section_hint and allocate_section_policy. The allocate_section_hint identifies the boundary between devices, measured in sections; it defaults to the end of the device for single