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Mikulas Patocka b858a36fe9 bio-integrity: don't restrict the size of integrity metadata 
bio_integrity_add_page restricts the size of the integrity metadata to
queue_max_hw_sectors(q). This restriction is not needed because oversized
bios are split automatically. This restriction causes problems with
dm-integrity 'inline' mode - if we send a large bio to dm-integrity and
the bio's metadata are larger than queue_max_hw_sectors(q),
bio_integrity_add_page fails and the bio is ended with BLK_STS_RESOURCE
error.

An example that triggers it:

dd: error writing '/dev/mapper/in2': Cannot allocate memory
1+0 records in
0+0 records out
0 bytes copied, 0.00169291 s, 0.0 kB/s

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Fixes: fb0987682c ("dm-integrity: introduce the Inline mode")
Fixes: 0ece1d649b ("bio-integrity: create multi-page bvecs in bio_integrity_add_page()")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Anuj Gupta <anuj20.g@samsung.com>
Link: https://lore.kernel.org/r/e41b3b8e-16c2-70cb-97cb-881234bb200d@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-09-04 07:17:00 -06:00
arch Updates for the interrupt subsystem: 2024-07-22 13:52:05 -07:00
block bio-integrity: don't restrict the size of integrity metadata 2024-09-04 07:17:00 -06:00
certs kbuild: use $(src) instead of $(srctree)/$(src) for source directory 2024-05-10 04:34:52 +09:00
crypto crypto: testmgr - generate power-of-2 lengths more often 2024-07-13 11:50:28 +12:00
Documentation Updates for the interrupt subsystem: 2024-07-22 13:52:05 -07:00
drivers ublk_drv: fix NULL pointer dereference in ublk_ctrl_start_recovery() 2024-09-04 07:15:38 -06:00
fs bcachefs fixes for 6.11-rc1 2024-07-22 10:59:08 -07:00
include block: Drop NULL check in bdev_write_zeroes_sectors() 2024-08-19 09:48:59 -06:00
init - 875fa64577da ("mm/hugetlb_vmemmap: fix race with speculative PFN 2024-07-21 17:15:46 -07:00
io_uring io_uring: fix error pbuf checking 2024-07-20 11:04:57 -06:00
ipc slab updates for 6.11 2024-07-18 15:08:12 -07:00
kernel Switch ARM/ARM64 over to the modern per device MSI domains: 2024-07-22 14:02:19 -07:00
lib for-6.11/block-20240722 2024-07-22 11:32:05 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm - 875fa64577da ("mm/hugetlb_vmemmap: fix race with speculative PFN 2024-07-21 17:15:46 -07:00
net - In the series "treewide: Refactor heap related implementation", 2024-07-21 17:56:22 -07:00
rust slab updates for 6.11 2024-07-18 15:08:12 -07:00
samples - In the series "treewide: Refactor heap related implementation", 2024-07-21 17:56:22 -07:00
scripts - In the series "treewide: Refactor heap related implementation", 2024-07-21 17:56:22 -07:00
security Landlock updates for v6.11-rc1 2024-07-20 11:41:52 -07:00
sound Char/Misc and other driver changes for 6.11-rc1 2024-07-19 15:55:08 -07:00
tools - In the series "treewide: Refactor heap related implementation", 2024-07-21 17:56:22 -07:00
usr kbuild: use $(src) instead of $(srctree)/$(src) for source directory 2024-05-10 04:34:52 +09:00
virt KVM generic changes for 6.11 2024-07-16 09:51:36 -04:00
.clang-format Docs: Move clang-format from process/ to dev-tools/ 2024-06-26 16:36:00 -06:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: create a list of all built DTB files 2024-02-19 18:20:39 +09:00
.mailmap soc: dt updates for 6.11 2024-07-16 11:43:51 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS tracing: Update of MAINTAINERS and CREDITS file 2024-07-18 14:08:42 -07:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Updates for the interrupt subsystem: 2024-07-22 13:52:05 -07:00
Makefile asm-generic updates for 6.11 2024-07-16 12:09:03 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

README 

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.