[PATCH 14/24] init: add an init_rmdir helper
From: Christoph Hellwig <hch@lst.de>
Date: 2020-07-21 16:29:04
Also in:
linux-fsdevel, linux-raid, lkml
Subsystem:
abi/api, filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
Add a simple helper to rmdir with a kernel space file name and switch the early init code over to it. Remove the now unused ksys_rmdir. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/linux/syscalls.h | 7 ------- init/do_mounts.h | 1 + init/fs.c | 5 +++++ init/initramfs.c | 2 +- 4 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 26f9738e5ab861..a7b14258d245e2 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h@@ -1273,13 +1273,6 @@ int compat_ksys_ipc(u32 call, int first, int second, * The following kernel syscall equivalents are just wrappers to fs-internal * functions. Therefore, provide stubs to be inlined at the callsites. */ -long do_rmdir(int dfd, struct filename *name); - -static inline long ksys_rmdir(const char __user *pathname) -{ - return do_rmdir(AT_FDCWD, getname(pathname)); -} - extern long do_mkdirat(int dfd, const char __user *pathname, umode_t mode); static inline long ksys_mkdir(const char __user *pathname, umode_t mode)
diff --git a/init/do_mounts.h b/init/do_mounts.h
index d2f1f335b5b5b9..58605396d358d7 100644
--- a/init/do_mounts.h
+++ b/init/do_mounts.h@@ -12,6 +12,7 @@ int __init init_mount(const char *dev_name, const char *dir_name, const char *type_page, unsigned long flags, void *data_page); int __init init_unlink(const char *pathname); +int __init init_rmdir(const char *pathname); void mount_block_root(char *name, int flags); void mount_root(void);
diff --git a/init/fs.c b/init/fs.c
index 1bdb5dc5ec12ba..b69b2f949b6132 100644
--- a/init/fs.c
+++ b/init/fs.c@@ -24,3 +24,8 @@ int __init init_unlink(const char *pathname) { return do_unlinkat(AT_FDCWD, getname_kernel(pathname)); } + +int __init init_rmdir(const char *pathname) +{ + return do_rmdir(AT_FDCWD, getname_kernel(pathname)); +}
diff --git a/init/initramfs.c b/init/initramfs.c
index 664be397c6b41e..41491149fb1f29 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c@@ -306,7 +306,7 @@ static void __init clean_path(char *path, umode_t fmode) if (!vfs_lstat(path, &st) && (st.mode ^ fmode) & S_IFMT) { if (S_ISDIR(st.mode)) - ksys_rmdir(path); + init_rmdir(path); else init_unlink(path); }
--
2.27.0