From 716308a5331bf907b819f9db8dc942b19568f925 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 22 Jul 2020 11:15:40 +0200 Subject: init: add an init_stat helper Add a simple helper to stat with a kernel space file name and switch the early init code over to it. Signed-off-by: Christoph Hellwig --- fs/init.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'fs/init.c') diff --git a/fs/init.c b/fs/init.c index 145fb31b7a5f..51646ba38099 100644 --- a/fs/init.c +++ b/fs/init.c @@ -122,6 +122,21 @@ int __init init_eaccess(const char *filename) return error; } +int __init init_stat(const char *filename, struct kstat *stat, int flags) +{ + int lookup_flags = (flags & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW; + struct path path; + int error; + + error = kern_path(filename, lookup_flags, &path); + if (error) + return error; + error = vfs_getattr(&path, stat, STATX_BASIC_STATS, + flags | AT_NO_AUTOMOUNT); + path_put(&path); + return error; +} + int __init init_mknod(const char *filename, umode_t mode, unsigned int dev) { struct dentry *dentry; -- cgit v1.2.3-58-ga151