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inotify: add do_inotify_init() helper; remove in-kernel call to syscall

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Using the inotify-internal do_inotify_init() helper allows us to get rid
of the in-kernel call to sys_inotify_init1() syscall.

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

Acked-by: Jan Kara <jack@suse.cz>
Cc: Amir Goldstein <amir73il@gmail.com>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski 2018-03-13 21:27:21 +01:00
parent ab641afa73
commit d0d89d1ed3
1 changed files with 7 additions and 2 deletions
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9
fs/notify/inotify/inotify_user.c
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@ -635,7 +635,7 @@ static struct fsnotify_group *inotify_new_group(unsigned int max_events)
/* inotify syscalls */
SYSCALL_DEFINE1(inotify_init1, int, flags)
static int do_inotify_init(int flags)
{
struct fsnotify_group *group;
int ret;
@ -660,9 +660,14 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
return ret;
}
SYSCALL_DEFINE1(inotify_init1, int, flags)
{
return do_inotify_init(flags);
}
SYSCALL_DEFINE0(inotify_init)
{
return sys_inotify_init1(0);
return do_inotify_init(0);
}
SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,