fs: add ksys_mount() helper; remove in-kernel calls to sys_mount()

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Using this helper allows us to avoid the in-kernel calls to the sys_mount()
syscall. The ksys_ prefix denotes that this function is meant as a drop-in
replacement for the syscall. In particular, it uses the same calling
convention as sys_mount().

In the near future, all callers of ksys_mount() should be converted to call
do_mount() directly.

This patch is part of a series which removes in-kernel calls to syscalls.
On this basis, the syscall entry path can be streamlined. For details, see
http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net

Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

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Dominik Brodowski 2018-03-11 11:34:39 +01:00

parent ab0d1e85bf

commit 312db1aa1d

5 changed files with 19 additions and 9 deletions

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include/linux/syscalls.h

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