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ceph: include the initial ACL in create/mkdir/mknod MDS requests

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Current code set new file/directory's initial ACL in a non-atomic
manner.
Client first sends request to MDS to create new file/directory, then set
the initial ACL after the new file/directory is successfully created.

The fix is include the initial ACL in create/mkdir/mknod MDS requests.
So MDS can handle creating file/directory and setting the initial ACL in
one request.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Yan, Zheng
2014-09-16 20:35:17 +08:00
committed by Sage Weil
parent 25e6bae356
commit b1ee94aa59
4 changed files with 171 additions and 48 deletions
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24
fs/ceph/super.h
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@@ -733,15 +733,23 @@ extern void __ceph_build_xattrs_blob(struct ceph_inode_info *ci);
extern void __ceph_destroy_xattrs(struct ceph_inode_info *ci);
extern void __init ceph_xattr_init(void);
extern void ceph_xattr_exit(void);
extern const struct xattr_handler *ceph_xattr_handlers[];
/* acl.c */
extern const struct xattr_handler *ceph_xattr_handlers[];
struct ceph_acls_info {
void *default_acl;
void *acl;
struct ceph_pagelist *pagelist;
};
#ifdef CONFIG_CEPH_FS_POSIX_ACL
struct posix_acl *ceph_get_acl(struct inode *, int);
int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type);
int ceph_init_acl(struct dentry *, struct inode *, struct inode *);
int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
struct ceph_acls_info *info);
void ceph_init_inode_acls(struct inode *inode, struct ceph_acls_info *info);
void ceph_release_acls_info(struct ceph_acls_info *info);
static inline void ceph_forget_all_cached_acls(struct inode *inode)
{
@@ -753,12 +761,18 @@ static inline void ceph_forget_all_cached_acls(struct inode *inode)
#define ceph_get_acl NULL
#define ceph_set_acl NULL
static inline int ceph_init_acl(struct dentry *dentry, struct inode *inode,
struct inode *dir)
static inline int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
struct ceph_acls_info *info)
{
return 0;
}
static inline void ceph_init_inode_acls(struct inode *inode,
struct ceph_acls_info *info)
{
}
static inline void ceph_release_acls_info(struct ceph_acls_info *info)
{
}
static inline int ceph_acl_chmod(struct dentry *dentry, struct inode *inode)
{
return 0;