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29 * This file is part of Lustre, http://www.lustre.org/
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34 * Author: Peter Braam <braam@clusterfs.com>
35 * Author: Phil Schwan <phil@clusterfs.com>
36 * Author: Andreas Dilger <adilger@clusterfs.com>
39 #include "llite_internal.h"
41 struct posix_acl *ll_get_acl(struct inode *inode, int type)
43 struct ll_inode_info *lli = ll_i2info(inode);
44 struct posix_acl *acl = NULL;
47 read_lock(&lli->lli_lock);
48 /* VFS' acl_permission_check->check_acl will release the refcount */
49 acl = posix_acl_dup(lli->lli_posix_acl);
50 read_unlock(&lli->lli_lock);
55 #ifdef HAVE_IOP_SET_ACL
56 int ll_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
57 struct posix_acl *acl, int type)
59 struct ll_sb_info *sbi = ll_i2sbi(inode);
60 struct ptlrpc_request *req = NULL;
61 const char *name = NULL;
63 size_t value_size = 0;
69 name = XATTR_NAME_POSIX_ACL_ACCESS;
71 rc = posix_acl_update_mode(mnt_userns, inode,
72 &inode->i_mode, &acl);
75 case ACL_TYPE_DEFAULT:
76 name = XATTR_NAME_POSIX_ACL_DEFAULT;
77 if (!S_ISDIR(inode->i_mode))
78 rc = acl ? -EACCES : 0;
89 value_size = posix_acl_xattr_size(acl->a_count);
90 value = kmalloc(value_size, GFP_NOFS);
92 GOTO(out, rc = -ENOMEM);
94 rc = posix_acl_to_xattr(&init_user_ns, acl, value, value_size);
99 rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode),
100 value ? OBD_MD_FLXATTR : OBD_MD_FLXATTRRM,
101 name, value, value_size, 0, 0, &req);
103 ptlrpc_req_finished(req);
108 forget_cached_acl(inode, type);
110 set_cached_acl(inode, type, acl);
113 #endif /* HAVE_IOP_SET_ACL */