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fs: Export in_group_or_capable()

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Export in_group_or_capable() as a VFS helper function.

Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
Link: https://lore.kernel.org/r/20240620032335.147136-1-youling.tang@linux.dev
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Youling Tang 2024-06-20 11:23:33 +08:00 committed by Christian Brauner
parent 5e362bd5ee
commit 9b6a14f08b
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3 changed files with 3 additions and 2 deletions
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2
fs/attr.c
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@ -17,8 +17,6 @@
#include <linux/filelock.h>
#include <linux/security.h>
#include "internal.h"
/**
* setattr_should_drop_sgid - determine whether the setgid bit needs to be
* removed

1
fs/inode.c
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@ -2538,6 +2538,7 @@ bool in_group_or_capable(struct mnt_idmap *idmap,
return true;
return false;
}
EXPORT_SYMBOL(in_group_or_capable);
/**
* mode_strip_sgid - handle the sgid bit for non-directories

2
include/linux/fs.h
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@ -1942,6 +1942,8 @@ void inode_init_owner(struct mnt_idmap *idmap, struct inode *inode,
extern bool may_open_dev(const struct path *path);
umode_t mode_strip_sgid(struct mnt_idmap *idmap,
const struct inode *dir, umode_t mode);
bool in_group_or_capable(struct mnt_idmap *idmap,
const struct inode *inode, vfsgid_t vfsgid);
/*
* This is the "filldir" function type, used by readdir() to let