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authorChristoph Hellwig <hch@lst.de>2020-07-22 11:15:40 +0200
committerChristoph Hellwig <hch@lst.de>2020-07-31 08:17:54 +0200
commit716308a5331bf907b819f9db8dc942b19568f925 (patch)
tree9138128e16cab1d49d2006f8340425532c6f9e5d /fs/init.c
parent5fee64fcde0770c41e926ff981022eaa512d8980 (diff)
downloadlinux-716308a5331bf907b819f9db8dc942b19568f925.tar.bz2
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 <hch@lst.de>
Diffstat (limited to 'fs/init.c')
-rw-r--r--fs/init.c15
1 files changed, 15 insertions, 0 deletions
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;