/* * @value: "" makes the attribute to empty, NULL removes it */ int __btrfs_setxattr(struct btrfs_trans_handle *trans, struct inode *inode, const char *name, const void *value, size_t size, int flags) { struct btrfs_root *root = BTRFS_I(inode)->root; int ret; if (trans) return do_setxattr(trans, inode, name, value, size, flags); trans = btrfs_start_transaction(root, 2); if (IS_ERR(trans)) return PTR_ERR(trans); ret = do_setxattr(trans, inode, name, value, size, flags); if (ret) goto out; inode->i_ctime = CURRENT_TIME; ret = btrfs_update_inode(trans, root, inode); BUG_ON(ret); out: btrfs_end_transaction_throttle(trans, root); return ret; }
/* * @value: "" makes the attribute to empty, NULL removes it */ int __btrfs_setxattr(struct btrfs_trans_handle *trans, struct inode *inode, const char *name, const void *value, size_t size, int flags) { struct btrfs_root *root = BTRFS_I(inode)->root; int ret; if (trans) return do_setxattr(trans, inode, name, value, size, flags); trans = btrfs_start_transaction(root, 2); if (IS_ERR(trans)) return PTR_ERR(trans); ret = do_setxattr(trans, inode, name, value, size, flags); if (ret) goto out; inode_inc_iversion(inode); inode->i_ctime = current_fs_time(inode->i_sb); set_bit(BTRFS_INODE_COPY_EVERYTHING, &BTRFS_I(inode)->runtime_flags); ret = btrfs_update_inode(trans, root, inode); BUG_ON(ret); out: btrfs_end_transaction(trans, root); return ret; }
int __btrfs_setxattr(struct btrfs_trans_handle *trans, struct inode *inode, const char *name, const void *value, size_t size, int flags) { struct btrfs_root *root = BTRFS_I(inode)->root; int ret; if (trans) return do_setxattr(trans, inode, name, value, size, flags); ret = btrfs_reserve_metadata_space(root, 2); if (ret) return ret; trans = btrfs_start_transaction(root, 1); if (!trans) { ret = -ENOMEM; goto out; } btrfs_set_trans_block_group(trans, inode); ret = do_setxattr(trans, inode, name, value, size, flags); if (ret) goto out; inode->i_ctime = CURRENT_TIME; ret = btrfs_update_inode(trans, root, inode); BUG_ON(ret); out: btrfs_end_transaction_throttle(trans, root); btrfs_unreserve_metadata_space(root, 2); return ret; }
int restore_line(const char *filename,uint64_t lv,char *line) { char *ptr; uint32_t ts; int status; char* errormsgs[]={ ERROR_STRINGS }; status = ERROR_MISMATCH; ptr = line; EAT(ptr,filename,lv,':'); EAT(ptr,filename,lv,' '); GETU32(ts,ptr); EAT(ptr,filename,lv,'|'); switch (*ptr) { case 'A': if (strncmp(ptr,"ACCESS",6)==0) { status = do_access(filename,lv,ts,ptr+6); } else if (strncmp(ptr,"ATTR",4)==0) { status = do_attr(filename,lv,ts,ptr+4); } else if (strncmp(ptr,"APPEND",6)==0) { status = do_append(filename,lv,ts,ptr+6); } else if (strncmp(ptr,"ACQUIRE",7)==0) { status = do_acquire(filename,lv,ts,ptr+7); } else if (strncmp(ptr,"AQUIRE",6)==0) { status = do_acquire(filename,lv,ts,ptr+6); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'C': if (strncmp(ptr,"CREATE",6)==0) { status = do_create(filename,lv,ts,ptr+6); } else if (strncmp(ptr,"CUSTOMER",8)==0) { // deprecated status = do_session(filename,lv,ts,ptr+8); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'E': if (strncmp(ptr,"EMPTYTRASH",10)==0) { status = do_emptytrash(filename,lv,ts,ptr+10); } else if (strncmp(ptr,"EMPTYRESERVED",13)==0) { status = do_emptyreserved(filename,lv,ts,ptr+13); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'F': if (strncmp(ptr,"FREEINODES",10)==0) { status = do_freeinodes(filename,lv,ts,ptr+10); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'I': if (strncmp(ptr,"INCVERSION",10)==0) { status = do_incversion(filename,lv,ts,ptr+10); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'L': if (strncmp(ptr,"LENGTH",6)==0) { status = do_length(filename,lv,ts,ptr+6); } else if (strncmp(ptr,"LINK",4)==0) { status = do_link(filename,lv,ts,ptr+4); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'M': if (strncmp(ptr,"MOVE",4)==0) { status = do_move(filename,lv,ts,ptr+4); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'P': if (strncmp(ptr,"PURGE",5)==0) { status = do_purge(filename,lv,ts,ptr+5); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'Q': if (strncmp(ptr,"QUOTA",5)==0) { status = do_quota(filename,lv,ts,ptr+5); } break; case 'R': if (strncmp(ptr,"RELEASE",7)==0) { status = do_release(filename,lv,ts,ptr+7); } else if (strncmp(ptr,"REPAIR",6)==0) { status = do_repair(filename,lv,ts,ptr+6); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'S': if (strncmp(ptr,"SETEATTR",8)==0) { status = do_seteattr(filename,lv,ts,ptr+8); } else if (strncmp(ptr,"SETGOAL",7)==0) { status = do_setgoal(filename,lv,ts,ptr+7); } else if (strncmp(ptr,"SETPATH",7)==0) { status = do_setpath(filename,lv,ts,ptr+7); } else if (strncmp(ptr,"SETTRASHTIME",12)==0) { status = do_settrashtime(filename,lv,ts,ptr+12); } else if (strncmp(ptr,"SETXATTR",8)==0) { status = do_setxattr(filename,lv,ts,ptr+8); } else if (strncmp(ptr,"SNAPSHOT",8)==0) { status = do_snapshot(filename,lv,ts,ptr+8); } else if (strncmp(ptr,"SYMLINK",7)==0) { status = do_symlink(filename,lv,ts,ptr+7); } else if (strncmp(ptr,"SESSION",7)==0) { status = do_session(filename,lv,ts,ptr+7); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'T': if (strncmp(ptr,"TRUNC",5)==0) { status = do_trunc(filename,lv,ts,ptr+5); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'U': if (strncmp(ptr,"UNLINK",6)==0) { status = do_unlink(filename,lv,ts,ptr+6); } else if (strncmp(ptr,"UNDEL",5)==0) { status = do_undel(filename,lv,ts,ptr+5); } else if (strncmp(ptr,"UNLOCK",6)==0) { status = do_unlock(filename,lv,ts,ptr+6); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; case 'W': if (strncmp(ptr,"WRITE",5)==0) { status = do_write(filename,lv,ts,ptr+5); } else { printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } break; default: printf("%s:%"PRIu64": unknown entry '%s'\n",filename,lv,ptr); } if (status>STATUS_OK) { printf("%s:%"PRIu64": error: %d (%s)\n",filename,lv,status,errormsgs[status]); } return status; }