Lines Matching refs:handle
325 static int start_this_handle(journal_t *journal, handle_t *handle, in start_this_handle() argument
329 int blocks = handle->h_total_credits; in start_this_handle()
333 if (handle->h_rsv_handle) in start_this_handle()
334 rsv_blocks = handle->h_rsv_handle->h_total_credits; in start_this_handle()
370 jbd_debug(3, "New handle %p going live.\n", handle); in start_this_handle()
391 if (!handle->h_reserved && journal->j_barrier_count) { in start_this_handle()
404 (handle->h_reserved || !journal->j_barrier_count)) { in start_this_handle()
414 if (!handle->h_reserved) { in start_this_handle()
431 handle->h_reserved = 0; in start_this_handle()
438 handle->h_transaction = transaction; in start_this_handle()
439 handle->h_requested_credits = blocks; in start_this_handle()
440 handle->h_revoke_credits_requested = handle->h_revoke_credits; in start_this_handle()
441 handle->h_start_jiffies = jiffies; in start_this_handle()
445 handle, blocks, in start_this_handle()
449 current->journal_info = handle; in start_this_handle()
457 handle->saved_alloc_context = memalloc_nofs_save(); in start_this_handle()
464 handle_t *handle = jbd2_alloc_handle(GFP_NOFS); in new_handle() local
465 if (!handle) in new_handle()
467 handle->h_total_credits = nblocks; in new_handle()
468 handle->h_ref = 1; in new_handle()
470 return handle; in new_handle()
477 handle_t *handle = journal_current_handle(); in jbd2__journal_start() local
483 if (handle) { in jbd2__journal_start()
484 J_ASSERT(handle->h_transaction->t_journal == journal); in jbd2__journal_start()
485 handle->h_ref++; in jbd2__journal_start()
486 return handle; in jbd2__journal_start()
491 handle = new_handle(nblocks); in jbd2__journal_start()
492 if (!handle) in jbd2__journal_start()
499 jbd2_free_handle(handle); in jbd2__journal_start()
504 handle->h_rsv_handle = rsv_handle; in jbd2__journal_start()
506 handle->h_revoke_credits = revoke_records; in jbd2__journal_start()
508 err = start_this_handle(journal, handle, gfp_mask); in jbd2__journal_start()
510 if (handle->h_rsv_handle) in jbd2__journal_start()
511 jbd2_free_handle(handle->h_rsv_handle); in jbd2__journal_start()
512 jbd2_free_handle(handle); in jbd2__journal_start()
515 handle->h_type = type; in jbd2__journal_start()
516 handle->h_line_no = line_no; in jbd2__journal_start()
518 handle->h_transaction->t_tid, type, in jbd2__journal_start()
521 return handle; in jbd2__journal_start()
551 static void __jbd2_journal_unreserve_handle(handle_t *handle, transaction_t *t) in __jbd2_journal_unreserve_handle() argument
553 journal_t *journal = handle->h_journal; in __jbd2_journal_unreserve_handle()
555 WARN_ON(!handle->h_reserved); in __jbd2_journal_unreserve_handle()
556 sub_reserved_credits(journal, handle->h_total_credits); in __jbd2_journal_unreserve_handle()
558 atomic_sub(handle->h_total_credits, &t->t_outstanding_credits); in __jbd2_journal_unreserve_handle()
561 void jbd2_journal_free_reserved(handle_t *handle) in jbd2_journal_free_reserved() argument
563 journal_t *journal = handle->h_journal; in jbd2_journal_free_reserved()
567 __jbd2_journal_unreserve_handle(handle, journal->j_running_transaction); in jbd2_journal_free_reserved()
569 jbd2_free_handle(handle); in jbd2_journal_free_reserved()
587 int jbd2_journal_start_reserved(handle_t *handle, unsigned int type, in jbd2_journal_start_reserved() argument
590 journal_t *journal = handle->h_journal; in jbd2_journal_start_reserved()
593 if (WARN_ON(!handle->h_reserved)) { in jbd2_journal_start_reserved()
595 jbd2_journal_stop(handle); in jbd2_journal_start_reserved()
603 jbd2_journal_free_reserved(handle); in jbd2_journal_start_reserved()
607 handle->h_journal = NULL; in jbd2_journal_start_reserved()
612 ret = start_this_handle(journal, handle, GFP_NOFS); in jbd2_journal_start_reserved()
614 handle->h_journal = journal; in jbd2_journal_start_reserved()
615 jbd2_journal_free_reserved(handle); in jbd2_journal_start_reserved()
618 handle->h_type = type; in jbd2_journal_start_reserved()
619 handle->h_line_no = line_no; in jbd2_journal_start_reserved()
621 handle->h_transaction->t_tid, type, in jbd2_journal_start_reserved()
622 line_no, handle->h_total_credits); in jbd2_journal_start_reserved()
648 int jbd2_journal_extend(handle_t *handle, int nblocks, int revoke_records) in jbd2_journal_extend() argument
650 transaction_t *transaction = handle->h_transaction; in jbd2_journal_extend()
655 if (is_handle_aborted(handle)) in jbd2_journal_extend()
666 "transaction not running\n", handle, nblocks); in jbd2_journal_extend()
671 handle->h_revoke_credits_requested + revoke_records, in jbd2_journal_extend()
674 handle->h_revoke_credits_requested, in jbd2_journal_extend()
682 "transaction too large\n", handle, nblocks); in jbd2_journal_extend()
689 handle->h_type, handle->h_line_no, in jbd2_journal_extend()
690 handle->h_total_credits, in jbd2_journal_extend()
693 handle->h_total_credits += nblocks; in jbd2_journal_extend()
694 handle->h_requested_credits += nblocks; in jbd2_journal_extend()
695 handle->h_revoke_credits += revoke_records; in jbd2_journal_extend()
696 handle->h_revoke_credits_requested += revoke_records; in jbd2_journal_extend()
699 jbd_debug(3, "extended handle %p by %d\n", handle, nblocks); in jbd2_journal_extend()
707 static void stop_this_handle(handle_t *handle) in stop_this_handle() argument
709 transaction_t *transaction = handle->h_transaction; in stop_this_handle()
713 J_ASSERT(journal_current_handle() == handle); in stop_this_handle()
722 revokes = handle->h_revoke_credits_requested - handle->h_revoke_credits; in stop_this_handle()
728 > handle->h_total_credits); in stop_this_handle()
734 handle->h_total_credits -= revoke_descriptors; in stop_this_handle()
736 atomic_sub(handle->h_total_credits, in stop_this_handle()
738 if (handle->h_rsv_handle) in stop_this_handle()
739 __jbd2_journal_unreserve_handle(handle->h_rsv_handle, in stop_this_handle()
749 memalloc_nofs_restore(handle->saved_alloc_context); in stop_this_handle()
769 int jbd2__journal_restart(handle_t *handle, int nblocks, int revoke_records, in jbd2__journal_restart() argument
772 transaction_t *transaction = handle->h_transaction; in jbd2__journal_restart()
780 if (is_handle_aborted(handle)) in jbd2__journal_restart()
789 jbd_debug(2, "restarting handle %p\n", handle); in jbd2__journal_restart()
790 stop_this_handle(handle); in jbd2__journal_restart()
791 handle->h_transaction = NULL; in jbd2__journal_restart()
802 handle->h_total_credits = nblocks + in jbd2__journal_restart()
805 handle->h_revoke_credits = revoke_records; in jbd2__journal_restart()
806 ret = start_this_handle(journal, handle, gfp_mask); in jbd2__journal_restart()
808 ret ? 0 : handle->h_transaction->t_tid, in jbd2__journal_restart()
809 handle->h_type, handle->h_line_no, in jbd2__journal_restart()
810 handle->h_total_credits); in jbd2__journal_restart()
816 int jbd2_journal_restart(handle_t *handle, int nblocks) in jbd2_journal_restart() argument
818 return jbd2__journal_restart(handle, nblocks, 0, GFP_NOFS); in jbd2_journal_restart()
944 do_get_write_access(handle_t *handle, struct journal_head *jh, in do_get_write_access() argument
948 transaction_t *transaction = handle->h_transaction; in do_get_write_access()
1015 if (is_handle_aborted(handle)) { in do_get_write_access()
1126 jbd2_journal_cancel_revoke(handle, jh); in do_get_write_access()
1137 static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh, in jbd2_write_access_granted() argument
1168 if (READ_ONCE(jh->b_transaction) != handle->h_transaction && in jbd2_write_access_granted()
1169 READ_ONCE(jh->b_next_transaction) != handle->h_transaction) in jbd2_write_access_granted()
1201 int jbd2_journal_get_write_access(handle_t *handle, struct buffer_head *bh) in jbd2_journal_get_write_access() argument
1206 if (is_handle_aborted(handle)) in jbd2_journal_get_write_access()
1209 if (jbd2_write_access_granted(handle, bh, false)) in jbd2_journal_get_write_access()
1216 rc = do_get_write_access(handle, jh, 0); in jbd2_journal_get_write_access()
1241 int jbd2_journal_get_create_access(handle_t *handle, struct buffer_head *bh) in jbd2_journal_get_create_access() argument
1243 transaction_t *transaction = handle->h_transaction; in jbd2_journal_get_create_access()
1250 if (is_handle_aborted(handle)) in jbd2_journal_get_create_access()
1308 jbd2_journal_cancel_revoke(handle, jh); in jbd2_journal_get_create_access()
1340 int jbd2_journal_get_undo_access(handle_t *handle, struct buffer_head *bh) in jbd2_journal_get_undo_access() argument
1346 if (is_handle_aborted(handle)) in jbd2_journal_get_undo_access()
1349 if (jbd2_write_access_granted(handle, bh, true)) in jbd2_journal_get_undo_access()
1360 err = do_get_write_access(handle, jh, 1); in jbd2_journal_get_undo_access()
1456 int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) in jbd2_journal_dirty_metadata() argument
1458 transaction_t *transaction = handle->h_transaction; in jbd2_journal_dirty_metadata()
1496 handle->h_type, handle->h_line_no, in jbd2_journal_dirty_metadata()
1509 if (is_handle_aborted(handle)) { in jbd2_journal_dirty_metadata()
1527 if (WARN_ON_ONCE(jbd2_handle_buffer_credits(handle) <= 0)) { in jbd2_journal_dirty_metadata()
1532 handle->h_total_credits--; in jbd2_journal_dirty_metadata()
1628 int jbd2_journal_forget(handle_t *handle, struct buffer_head *bh) in jbd2_journal_forget() argument
1630 transaction_t *transaction = handle->h_transaction; in jbd2_journal_forget()
1637 if (is_handle_aborted(handle)) in jbd2_journal_forget()
1775 handle->h_total_credits++; in jbd2_journal_forget()
1796 int jbd2_journal_stop(handle_t *handle) in jbd2_journal_stop() argument
1798 transaction_t *transaction = handle->h_transaction; in jbd2_journal_stop()
1804 if (--handle->h_ref > 0) { in jbd2_journal_stop()
1805 jbd_debug(4, "h_ref %d -> %d\n", handle->h_ref + 1, in jbd2_journal_stop()
1806 handle->h_ref); in jbd2_journal_stop()
1807 if (is_handle_aborted(handle)) in jbd2_journal_stop()
1816 memalloc_nofs_restore(handle->saved_alloc_context); in jbd2_journal_stop()
1822 if (is_handle_aborted(handle)) in jbd2_journal_stop()
1825 jbd_debug(4, "Handle %p going down\n", handle); in jbd2_journal_stop()
1827 tid, handle->h_type, handle->h_line_no, in jbd2_journal_stop()
1828 jiffies - handle->h_start_jiffies, in jbd2_journal_stop()
1829 handle->h_sync, handle->h_requested_credits, in jbd2_journal_stop()
1830 (handle->h_requested_credits - in jbd2_journal_stop()
1831 handle->h_total_credits)); in jbd2_journal_stop()
1863 if (handle->h_sync && journal->j_last_sync_writer != pid && in jbd2_journal_stop()
1889 if (handle->h_sync) in jbd2_journal_stop()
1897 if (handle->h_sync || in jbd2_journal_stop()
1904 "handle %p\n", handle); in jbd2_journal_stop()
1912 if (handle->h_sync && !(current->flags & PF_MEMALLOC)) in jbd2_journal_stop()
1922 stop_this_handle(handle); in jbd2_journal_stop()
1928 if (handle->h_rsv_handle) in jbd2_journal_stop()
1929 jbd2_free_handle(handle->h_rsv_handle); in jbd2_journal_stop()
1930 jbd2_free_handle(handle); in jbd2_journal_stop()
2657 static int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode, in jbd2_journal_file_inode() argument
2660 transaction_t *transaction = handle->h_transaction; in jbd2_journal_file_inode()
2663 if (is_handle_aborted(handle)) in jbd2_journal_file_inode()
2712 int jbd2_journal_inode_ranged_write(handle_t *handle, in jbd2_journal_inode_ranged_write() argument
2715 return jbd2_journal_file_inode(handle, jinode, in jbd2_journal_inode_ranged_write()
2720 int jbd2_journal_inode_ranged_wait(handle_t *handle, struct jbd2_inode *jinode, in jbd2_journal_inode_ranged_wait() argument
2723 return jbd2_journal_file_inode(handle, jinode, JI_WAIT_DATA, in jbd2_journal_inode_ranged_wait()