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John Garry 6564862d64 block: Ensure start sector is aligned for stacking atomic writes
For stacking atomic writes, ensure that the start sector is aligned with
the device atomic write unit min and any boundary. Otherwise, we may
permit misaligned atomic writes.

Rework bdev_can_atomic_write() into a common helper to resuse the
alignment check. There also use atomic_write_hw_unit_min, which is more
proper (than atomic_write_unit_min).

Fixes: d7f36dc446 ("block: Support atomic writes limits for stacked devices")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20250109114000.2299896-2-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-01-15 09:47:43 -07:00
arch block: remove BLK_MQ_F_SHOULD_MERGE 2024-12-23 08:17:23 -07:00
block block: Ensure start sector is aligned for stacking atomic writes 2025-01-15 09:47:43 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: rsassa-pkcs1 - Copy source data for SG list 2024-12-10 13:34:05 +08:00
Documentation Documentation: Document the NVMe PCI endpoint target driver 2025-01-10 19:30:49 -08:00
drivers Merge tag 'md-6.14-20250113' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into for-6.14/block 2025-01-13 10:30:33 -07:00
fs block: Delete bio_set_prio() 2024-12-23 08:17:23 -07:00
include block: Ensure start sector is aligned for stacking atomic writes 2025-01-15 09:47:43 -07:00
init - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
io_uring io_uring: check if iowq is killed before queuing 2024-12-19 13:31:53 -07:00
ipc - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
kernel blktrace: remove redundant return at end of function 2024-12-23 08:17:23 -07:00
lib alloc_tag: fix module allocation tags populated area calculation 2024-12-18 19:04:46 -08:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm mm: huge_memory: handle strsep not finding delimiter 2024-12-18 19:04:47 -08:00
net BPF fixes: 2024-12-21 11:07:19 -08:00
rust rust: block: fix use of BLK_MQ_F_SHOULD_MERGE 2024-12-23 08:17:23 -07:00
samples BPF fixes: 2024-12-06 15:07:48 -08:00
scripts Kbuild fixes for v6.13 (2nd) 2024-12-21 11:24:32 -08:00
security selinux/stable-6.13 PR 20241217 2024-12-18 12:10:15 -08:00
sound soc: fixes for 6.13 2024-12-16 10:10:53 -08:00
tools 25 hotfixes. 16 are cc:stable. 19 are MM and 6 are non-MM. 2024-12-21 15:31:56 -08:00
usr kbuild: Drop support for include/asm-<arch> in headers_check.pl 2024-12-21 11:43:17 +09:00
virt VFIO updates for v6.13 2024-11-27 12:57:03 -08:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml rust: enable Clippy's check-private-items 2024-10-07 21:39:57 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Kbuild updates for v6.13 2024-11-30 13:41:50 -08:00
.mailmap mailmap: add entry for Ying Huang 2024-12-18 19:04:41 -08:00
.rustfmt.toml
COPYING
CREDITS cgroup: Changes for v6.13 2024-11-20 09:54:49 -08:00
Kbuild
Kconfig
MAINTAINERS drm fixes for 6.13-rc4 2024-12-20 10:17:53 -08:00
Makefile Linux 6.13-rc4 2024-12-22 13:22:21 -08:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

Linux kernel

There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first.

In order to build the documentation, use make htmldocs or make pdfdocs. The formatted documentation can also be read online at:

https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory, several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.