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authorDmitry Kadashev <dkadashev@gmail.com>2021-07-08 13:34:42 +0700
committerJens Axboe <axboe@kernel.dk>2021-08-23 13:41:26 -0600
commit8228e2c313194f13f1d1806ed5734a26c38d49ac (patch)
tree84d58d03dbd06a8258bed089f2f435cff4c63f38 /fs/namei.c
parentda2d0cede330192879e8e16ddb3158aa76ba5ec2 (diff)
namei: add getname_uflags()
There are a couple of places where we already open-code the (flags & AT_EMPTY_PATH) check and io_uring will likely add another one in the future. Let's just add a simple helper getname_uflags() that handles this directly and use it. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <christian.brauner@ubuntu.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/io-uring/20210415100815.edrn4a7cy26wkowe@wittgenstein/ Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Dmitry Kadashev <dkadashev@gmail.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Link: https://lore.kernel.org/r/20210708063447.3556403-7-dkadashev@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 522c35b33fea..41f58dabe84c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -204,6 +204,14 @@ getname_flags(const char __user *filename, int flags, int *empty)
}
struct filename *
+getname_uflags(const char __user *filename, int uflags)
+{
+ int flags = (uflags & AT_EMPTY_PATH) ? LOOKUP_EMPTY : 0;
+
+ return getname_flags(filename, flags, NULL);
+}
+
+struct filename *
getname(const char __user * filename)
{
return getname_flags(filename, 0, NULL);