Mike Snitzer a97bf1a0cd nfs/localio: avoid issuing misaligned IO using O_DIRECT ... [ Upstream commit 25ba2b84c3 ] Add nfsd_file_dio_alignment and use it to avoid issuing misaligned IO using O_DIRECT. Any misaligned DIO falls back to using buffered IO. Because misaligned DIO is now handled safely, remove the nfs modparam 'localio_O_DIRECT_semantics' that was added to require users opt-in to the requirement that all O_DIRECT be properly DIO-aligned. Also, introduce nfs_iov_iter_aligned_bvec() which is a variant of iov_iter_aligned_bvec() that also verifies the offset associated with an iov_iter is DIO-aligned. NOTE: in a parallel effort, iov_iter_aligned_bvec() is being removed along with iov_iter_is_aligned(). Lastly, add pr_info_ratelimited if underlying filesystem returns -EINVAL because it was made to try O_DIRECT for IO that is not DIO-aligned (shouldn't happen, so its best to be louder if it does). Fixes: 3feec68563 ("nfs/localio: add direct IO enablement with sync and async IO support") Signed-off-by: Mike Snitzer <snitzer@kernel.org> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2025-10-15 12:04:13 +02:00
..
acpi	ACPICA: Apply ACPI_NONSTRING	2025-10-15 12:03:33 +02:00
asm-generic	once: fix race by moving DO_ONCE to separate section	2025-10-15 12:03:37 +02:00
clocksource
crypto	crypto: comp - Use same definition of context alloc and free ops	2025-10-15 12:04:04 +02:00
cxl
drm	drm/panel: Allow powering on panel follower after panel is enabled	2025-10-15 12:03:46 +02:00
dt-bindings	Pin control changes for v6.17	2025-08-02 12:07:09 -07:00
hyperv
keys
kunit
kvm	KVM: arm64: vgic-v3: Erase LPIs from xarray outside of raw spinlocks	2025-09-10 02:56:20 -07:00
linux	nfs/localio: avoid issuing misaligned IO using O_DIRECT	2025-10-15 12:04:13 +02:00
math-emu
media
memory
misc
net	bonding: fix xfrm offload feature setup on active-backup mode	2025-10-15 12:04:13 +02:00
pcmcia	pcmcia: remove PCCARD_IODYN	2025-08-16 15:37:47 +02:00
ras
rdma
rv
scsi	scsi: libsas: Add dev_parent_is_expander() helper	2025-10-15 12:03:43 +02:00
soc	This is the usual collection of primarily clk driver updates. The big part of	2025-07-31 13:36:27 -07:00
sound	More minor SDCA bug fixes	2025-09-04 19:31:51 +01:00
target
trace	NFSD: filecache: add STATX_DIOALIGN and STATX_DIO_READ_ALIGN support	2025-10-15 12:04:13 +02:00
uapi	HID: hidraw: tighten ioctl command parsing	2025-10-15 12:04:00 +02:00
ufs	scsi: ufs: core: Fix data race in CPU latency PM QoS request handling	2025-10-15 12:04:08 +02:00
vdso	vdso: Add struct __kernel_old_timeval forward declaration to gettime.h	2025-10-15 12:03:25 +02:00
video
xen	Significant patch series in this pull request:	2025-08-03 16:23:09 -07:00
Kbuild