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9b81648cb5
Having separate implementations of blkdev_ioctl() often leads to these getting out of sync, despite the comment at the top. Since most of the ioctl commands are compatible, and we try very hard not to add any new incompatible ones, move all the common bits into a shared function and leave only the ones that are historically different in separate functions for native/compat mode. To deal with the compat_ptr() conversion, pass both the integer argument and the pointer argument into the new blkdev_common_ioctl() and make sure to always use the correct one of these. blkdev_ioctl() is now only kept as a separate exported interfact for drivers/char/raw.c, which lacks a compat_ioctl variant. We should probably either move raw.c to staging if there are no more users, or export blkdev_compat_ioctl() as well. Reviewed-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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| certs | ||
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| 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 | ||
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| 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.