diff options
Diffstat (limited to 'innobase/buf/buf0flu.c')
| -rw-r--r-- | innobase/buf/buf0flu.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/innobase/buf/buf0flu.c b/innobase/buf/buf0flu.c index cad51c224e2..964c396dd08 100644 --- a/innobase/buf/buf0flu.c +++ b/innobase/buf/buf0flu.c @@ -217,7 +217,9 @@ buf_flush_buffered_writes(void) /*===========================*/ { buf_block_t* block; + byte* write_buf; ulint len; + ulint len2; ulint i; if (trx_doublewrite == NULL) { @@ -244,6 +246,16 @@ buf_flush_buffered_writes(void) block = trx_doublewrite->buf_block_arr[i]; ut_a(block->state == BUF_BLOCK_FILE_PAGE); + if (mach_read_from_4(block->frame + FIL_PAGE_LSN + 4) + != mach_read_from_4(block->frame + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4)) { + ut_print_timestamp(stderr); + fprintf(stderr, +" InnoDB: ERROR: The page to be written seems corrupt!\n" +"InnoDB: The lsn fields do not match! Noticed in the buffer pool\n" +"InnoDB: before posting to the doublewrite buffer.\n"); + } + if (block->check_index_page_at_flush && !page_simple_validate(block->frame)) { @@ -272,6 +284,19 @@ buf_flush_buffered_writes(void) trx_doublewrite->block1, 0, len, (void*)trx_doublewrite->write_buf, NULL); + write_buf = trx_doublewrite->write_buf; + + for (len2 = 0; len2 + UNIV_PAGE_SIZE <= len; len2 += UNIV_PAGE_SIZE) { + if (mach_read_from_4(write_buf + len2 + FIL_PAGE_LSN + 4) + != mach_read_from_4(write_buf + len2 + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4)) { + ut_print_timestamp(stderr); + fprintf(stderr, +" InnoDB: ERROR: The page to be written seems corrupt!\n" +"InnoDB: The lsn fields do not match! Noticed in the doublewrite block1.\n"); + } + } + if (trx_doublewrite->first_free > TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { len = (trx_doublewrite->first_free - TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) * UNIV_PAGE_SIZE; @@ -282,6 +307,22 @@ buf_flush_buffered_writes(void) (void*)(trx_doublewrite->write_buf + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE), NULL); + + write_buf = trx_doublewrite->write_buf + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE; + for (len2 = 0; len2 + UNIV_PAGE_SIZE <= len; + len2 += UNIV_PAGE_SIZE) { + if (mach_read_from_4(write_buf + len2 + + FIL_PAGE_LSN + 4) + != mach_read_from_4(write_buf + len2 + + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4)) { + ut_print_timestamp(stderr); + fprintf(stderr, +" InnoDB: ERROR: The page to be written seems corrupt!\n" +"InnoDB: The lsn fields do not match! Noticed in the doublewrite block2.\n"); + } + } } /* Now flush the doublewrite buffer data to disk */ @@ -295,6 +336,18 @@ buf_flush_buffered_writes(void) for (i = 0; i < trx_doublewrite->first_free; i++) { block = trx_doublewrite->buf_block_arr[i]; + if (mach_read_from_4(block->frame + FIL_PAGE_LSN + 4) + != mach_read_from_4(block->frame + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4)) { + ut_print_timestamp(stderr); + fprintf(stderr, +" InnoDB: ERROR: The page to be written seems corrupt!\n" +"InnoDB: The lsn fields do not match! Noticed in the buffer pool\n" +"InnoDB: after posting and flushing the doublewrite buffer.\n" +"InnoDB: Page buf fix count %lu, io fix %lu, state %lu\n", + (ulong)block->buf_fix_count, (ulong)block->io_fix, + (ulong)block->state); + } ut_a(block->state == BUF_BLOCK_FILE_PAGE); fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER, |