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authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-11 11:34:29 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 20:15:37 +0200
commitf13903587c189fa73da47ddd416eb31704c48486 (patch)
treefbbac26720351248b56079f36ce676b45f7f0e8f /fs/utimes.c
parentee81feb64ead8e4bed0ebc94c980e6cd836aaafd (diff)
downloadlinux-f13903587c189fa73da47ddd416eb31704c48486.tar.bz2
fs: add do_futimesat() helper; remove internal call to sys_futimesat()
Using this helper removes the in-kernel call to the sys_futimesat() 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 Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'fs/utimes.c')
-rw-r--r--fs/utimes.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/utimes.c b/fs/utimes.c
index e4b3d7c2c9f5..5be035ed26c0 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -184,8 +184,8 @@ SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename,
return do_utimes(dfd, filename, utimes ? tstimes : NULL, flags);
}
-SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename,
- struct timeval __user *, utimes)
+static long do_futimesat(int dfd, const char __user *filename,
+ struct timeval __user *utimes)
{
struct timeval times[2];
struct timespec64 tstimes[2];
@@ -212,10 +212,17 @@ SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename,
return do_utimes(dfd, filename, utimes ? tstimes : NULL, 0);
}
+
+SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename,
+ struct timeval __user *, utimes)
+{
+ return do_futimesat(dfd, filename, utimes);
+}
+
SYSCALL_DEFINE2(utimes, char __user *, filename,
struct timeval __user *, utimes)
{
- return sys_futimesat(AT_FDCWD, filename, utimes);
+ return do_futimesat(AT_FDCWD, filename, utimes);
}
#ifdef CONFIG_COMPAT