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ceph: add acl for cephfs

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Signed-off-by: Guangliang Zhao <lucienchao@gmail.com>
Reviewed-by: Li Wang <li.wang@ubuntykylin.com>
Reviewed-by: Zheng Yan <zheng.z.yan@intel.com>
This commit is contained in:
Guangliang Zhao
2013-11-11 15:18:03 +08:00
committed by Ilya Dryomov
parent 61f6881621
commit 7221fe4c2e
9 changed files with 451 additions and 13 deletions
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37
fs/ceph/super.h
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@@ -335,7 +335,6 @@ struct ceph_inode_info {
u32 i_fscache_gen; /* sequence, for delayed fscache validate */
struct work_struct i_revalidate_work;
#endif
struct inode vfs_inode; /* at end */
};
@@ -725,6 +724,9 @@ extern int ceph_getattr(struct vfsmount *mnt, struct dentry *dentry,
/* xattr.c */
extern int ceph_setxattr(struct dentry *, const char *, const void *,
size_t, int);
int __ceph_setxattr(struct dentry *, const char *, const void *, size_t, int);
ssize_t __ceph_getxattr(struct inode *, const char *, void *, size_t);
int __ceph_removexattr(struct dentry *, const char *);
extern ssize_t ceph_getxattr(struct dentry *, const char *, void *, size_t);
extern ssize_t ceph_listxattr(struct dentry *, char *, size_t);
extern int ceph_removexattr(struct dentry *, const char *);
@@ -733,6 +735,39 @@ extern void __ceph_destroy_xattrs(struct ceph_inode_info *ci);
extern void __init ceph_xattr_init(void);
extern void ceph_xattr_exit(void);
/* acl.c */
extern const struct xattr_handler ceph_xattr_acl_access_handler;
extern const struct xattr_handler ceph_xattr_acl_default_handler;
extern const struct xattr_handler *ceph_xattr_handlers[];
#ifdef CONFIG_CEPH_FS_POSIX_ACL
struct posix_acl *ceph_get_acl(struct inode *, int);
int ceph_init_acl(struct dentry *, struct inode *, struct inode *);
int ceph_acl_chmod(struct dentry *, struct inode *);
void ceph_forget_all_cached_acls(struct inode *inode);
#else
#define ceph_get_acl NULL
static inline int ceph_init_acl(struct dentry *dentry, struct inode *inode,
struct inode *dir)
{
return 0;
}
static inline int ceph_acl_chmod(struct dentry *dentry, struct inode *inode)
{
return 0;
}
static inline void ceph_forget_all_cached_acls(struct inode *inode)
{
}
#endif
/* caps.c */
extern const char *ceph_cap_string(int c);
extern void ceph_handle_caps(struct ceph_mds_session *session,