diff options
author | Christoph Hellwig <hch@lst.de> | 2020-07-23 08:23:40 +0200 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2020-07-31 08:17:52 +0200 |
commit | 8fb9f73e5a539ab3aa4785f30fb52c65fa98600c (patch) | |
tree | 81f6cb5c68284eb39e7798602e5dc329933ad768 | |
parent | 09267defa36aaff6ff829bd2fc8b043ec151cc3e (diff) | |
download | linux-8fb9f73e5a539ab3aa4785f30fb52c65fa98600c.tar.bz2 |
init: add an init_unlink helper
Add a simple helper to unlink with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_unlink.
Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r-- | fs/init.c | 5 | ||||
-rw-r--r-- | include/linux/init_syscalls.h | 1 | ||||
-rw-r--r-- | include/linux/syscalls.h | 7 | ||||
-rw-r--r-- | init/do_mounts.h | 2 | ||||
-rw-r--r-- | init/do_mounts_initrd.c | 4 | ||||
-rw-r--r-- | init/do_mounts_rd.c | 2 | ||||
-rw-r--r-- | init/initramfs.c | 3 |
7 files changed, 12 insertions, 12 deletions
diff --git a/fs/init.c b/fs/init.c index 9c8e31fdb048..507ffbb5d146 100644 --- a/fs/init.c +++ b/fs/init.c @@ -37,3 +37,8 @@ int __init init_umount(const char *name, int flags) return ret; return path_umount(&path, flags); } + +int __init init_unlink(const char *pathname) +{ + return do_unlinkat(AT_FDCWD, getname_kernel(pathname)); +} diff --git a/include/linux/init_syscalls.h b/include/linux/init_syscalls.h index a5a2e7f19916..00d597249549 100644 --- a/include/linux/init_syscalls.h +++ b/include/linux/init_syscalls.h @@ -3,3 +3,4 @@ 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_umount(const char *name, int flags); +int __init init_unlink(const char *pathname); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 1a4f5d8ee704..26f9738e5ab8 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. */ -extern long do_unlinkat(int dfd, struct filename *name); - -static inline long ksys_unlink(const char __user *pathname) -{ - return do_unlinkat(AT_FDCWD, getname(pathname)); -} - long do_rmdir(int dfd, struct filename *name); static inline long ksys_rmdir(const char __user *pathname) diff --git a/init/do_mounts.h b/init/do_mounts.h index 20e7fec8cb49..104d8431725a 100644 --- a/init/do_mounts.h +++ b/init/do_mounts.h @@ -16,7 +16,7 @@ extern int root_mountflags; static inline __init int create_dev(char *name, dev_t dev) { - ksys_unlink(name); + init_unlink(name); return ksys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); } diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c index 6b020a069902..8b44dd017842 100644 --- a/init/do_mounts_initrd.c +++ b/init/do_mounts_initrd.c @@ -137,11 +137,11 @@ bool __init initrd_load(void) * mounted in the normal path. */ if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) { - ksys_unlink("/initrd.image"); + init_unlink("/initrd.image"); handle_initrd(); return true; } } - ksys_unlink("/initrd.image"); + init_unlink("/initrd.image"); return false; } diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c index d4255c10432a..ac021ae6e6fa 100644 --- a/init/do_mounts_rd.c +++ b/init/do_mounts_rd.c @@ -272,7 +272,7 @@ noclose_input: fput(out_file); out: kfree(buf); - ksys_unlink("/dev/ram"); + init_unlink("/dev/ram"); return res; } diff --git a/init/initramfs.c b/init/initramfs.c index 9820fca4d4e3..eb58cee6dadb 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -12,6 +12,7 @@ #include <linux/file.h> #include <linux/memblock.h> #include <linux/namei.h> +#include <linux/init_syscalls.h> static ssize_t __init xwrite(struct file *file, const char *p, size_t count, loff_t *pos) @@ -301,7 +302,7 @@ static void __init clean_path(char *path, umode_t fmode) if (S_ISDIR(st.mode)) ksys_rmdir(path); else - ksys_unlink(path); + init_unlink(path); } } |