Fixed bug on free buffer space calculation when LZO is used.

Fixed bug on function call when InnoDB plugin is used.

storage/innobase/fil/fil0fil.cc

@@ -4997,7 +4997,7 @@ retry:
 				"space for file \'%s\' failed.  Current size "
 				INT64PF ", desired size " INT64PF "\n",
 				node->name, start_offset, len+start_offset);
-			os_file_handle_error_no_exit(node->name, "posix_fallocate", FALSE);
+			os_file_handle_error_no_exit(node->name, "posix_fallocate", FALSE, __FILE__, __LINE__);
 			success = FALSE;
 		} else {
 			success = TRUE;

storage/innobase/fil/fil0pagecompress.cc

@@ -70,6 +70,8 @@ static ulint srv_data_read, srv_data_written;
 #include "lzo/lzo1x.h"
 #endif
 
+/* Used for debugging */
+//#define UNIV_PAGECOMPRESS_DEBUG 1
 
 /****************************************************************//**
 For page compressed pages compress the page before actual write
@@ -145,7 +147,7 @@ fil_compress_page(
 		err = lzo1x_1_15_compress(
 			buf, len, out_buf+header_len, &write_size, lzo_mem);
 
-		if (err != LZO_E_OK || write_size > len) {
+		if (err != LZO_E_OK || write_size > UNIV_PAGE_SIZE-header_len) {
 			fprintf(stderr,
 				"InnoDB: Warning: Compression failed for space %lu name %s len %lu err %d write_size %lu",
 				space_id, fil_space_name(space), len, err, write_size);

storage/innobase/include/os0file.h

@@ -1318,8 +1318,10 @@ os_file_handle_error_no_exit(
 /*=========================*/
 	const char*	name,		/*!< in: name of a file or NULL */
 	const char*	operation,	/*!< in: operation */
-	ibool		on_error_silent);/*!< in: if TRUE then don't print
+	ibool		on_error_silent,/*!< in: if TRUE then don't print
 					any message to the log. */
+	const char*	file,		/*!< in: file name */
+	const ulint	line);		/*!< in: line */
 
 #ifndef UNIV_NONINL
 #include "os0file.ic"

storage/innobase/os/os0file.cc

@@ -370,7 +370,6 @@ os_slot_alloc_page_buf(
 /****************************************************************//**
 Does error handling when a file operation fails.
 @return	TRUE if we should retry the operation */
-static
 ibool
 os_file_handle_error_no_exit(
 /*=========================*/
@@ -6337,6 +6336,7 @@ os_slot_alloc_page_buf(
 	byte*           cbuf2;
 	byte*           cbuf;
 
+	/* We allocate extra to avoid memory overwrite on compression */
 	cbuf2 = static_cast<byte *>(ut_malloc(UNIV_PAGE_SIZE*2));
 	cbuf = static_cast<byte *>(ut_align(cbuf2, UNIV_PAGE_SIZE));
 	slot->page_compression_page = static_cast<byte *>(cbuf2);

storage/xtradb/fil/fil0pagecompress.cc

@@ -70,6 +70,8 @@ static ulint srv_data_read, srv_data_written;
 #include "lzo/lzo1x.h"
 #endif
 
+/* Used for debugging */
+//#define UNIV_PAGECOMPRESS_DEBUG 1
 
 /****************************************************************//**
 For page compressed pages compress the page before actual write
@@ -145,7 +147,7 @@ fil_compress_page(
 		err = lzo1x_1_15_compress(
 			buf, len, out_buf+header_len, &write_size, lzo_mem);
 
-		if (err != LZO_E_OK || write_size > len) {
+		if (err != LZO_E_OK || write_size > UNIV_PAGE_SIZE-header_len) {
 			fprintf(stderr,
 				"InnoDB: Warning: Compression failed for space %lu name %s len %lu err %d write_size %lu",
 				space_id, fil_space_name(space), len, err, write_size);

storage/xtradb/os/os0file.cc

@@ -6406,6 +6406,7 @@ os_slot_alloc_page_buf(
 	byte*           cbuf2;
 	byte*           cbuf;
 
+	/* We allocate extra to avoid memory overwrite on compression */
 	cbuf2 = static_cast<byte *>(ut_malloc(UNIV_PAGE_SIZE*2));
 	cbuf = static_cast<byte *>(ut_align(cbuf2, UNIV_PAGE_SIZE));
 	slot->page_compression_page = static_cast<byte *>(cbuf2);