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c965d6402f
Btrfs' async submit mechanism is able to handle errors in the submission path and the meta-data async submit function correctly passes the error code to the caller. In btrfs_submit_bio_start() and btrfs_submit_bio_start_direct_io() we're not handling the errors returned by btrfs_csum_one_bio() correctly though and simply call BUG_ON(). This is unnecessary as the caller of these two functions - run_one_async_start - correctly checks for the return values and sets the status of the async_submit_bio. The actual bio submission will be handled later on by run_one_async_done only if async_submit_bio::status is 0, so the data won't be written if we encountered an error in the checksum process. Simply return the error from btrfs_csum_one_bio() to the async submitters, like it's done in btree_submit_bio_start(). Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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 Restructured Text 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.