diff options
Diffstat (limited to 'fs/internal.h')
| -rw-r--r-- | fs/internal.h | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/fs/internal.h b/fs/internal.h index 6f0386b34fae..a803cc3cf716 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -150,7 +150,9 @@ extern int vfs_open(const struct path *, struct file *); * inode.c */ extern long prune_icache_sb(struct super_block *sb, struct shrink_control *sc); -extern int dentry_needs_remove_privs(struct dentry *dentry); +int dentry_needs_remove_privs(struct user_namespace *, struct dentry *dentry); +bool in_group_or_capable(struct user_namespace *mnt_userns, + const struct inode *inode, vfsgid_t vfsgid); /* * fs-writeback.c @@ -225,12 +227,39 @@ struct xattr_ctx { }; -ssize_t do_getxattr(struct user_namespace *mnt_userns, +ssize_t do_getxattr(struct mnt_idmap *idmap, struct dentry *d, struct xattr_ctx *ctx); int setxattr_copy(const char __user *name, struct xattr_ctx *ctx); -int do_setxattr(struct user_namespace *mnt_userns, struct dentry *dentry, +int do_setxattr(struct mnt_idmap *idmap, struct dentry *dentry, struct xattr_ctx *ctx); +int may_write_xattr(struct user_namespace *mnt_userns, struct inode *inode); + +#ifdef CONFIG_FS_POSIX_ACL +int do_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, + const char *acl_name, const void *kvalue, size_t size); +ssize_t do_get_acl(struct mnt_idmap *idmap, struct dentry *dentry, + const char *acl_name, void *kvalue, size_t size); +#else +static inline int do_set_acl(struct mnt_idmap *idmap, + struct dentry *dentry, const char *acl_name, + const void *kvalue, size_t size) +{ + return -EOPNOTSUPP; +} +static inline ssize_t do_get_acl(struct mnt_idmap *idmap, + struct dentry *dentry, const char *acl_name, + void *kvalue, size_t size) +{ + return -EOPNOTSUPP; +} +#endif ssize_t __kernel_write_iter(struct file *file, struct iov_iter *from, loff_t *pos); + +/* + * fs/attr.c + */ +int setattr_should_drop_sgid(struct user_namespace *mnt_userns, + const struct inode *inode); |