int btrfs_init_acl(struct btrfs_trans_handle *trans, struct inode *inode, struct inode *dir) { struct posix_acl *default_acl, *acl; int ret = 0; /* this happens with subvols */ if (!dir) return 0; ret = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl); if (ret) return ret; if (default_acl) { ret = __btrfs_set_acl(trans, inode, default_acl, ACL_TYPE_DEFAULT); posix_acl_release(default_acl); } if (acl) { if (!ret) ret = __btrfs_set_acl(trans, inode, acl, ACL_TYPE_ACCESS); posix_acl_release(acl); } if (!default_acl && !acl) cache_no_acl(inode); return ret; }
int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) { int ret; umode_t old_mode = inode->i_mode; if (type == ACL_TYPE_ACCESS && acl) { ret = posix_acl_update_mode(inode, &inode->i_mode, &acl); if (ret) return ret; } ret = __btrfs_set_acl(NULL, inode, acl, type); if (ret) inode->i_mode = old_mode; return ret; }
int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) { return __btrfs_set_acl(NULL, inode, acl, type); }