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[bugFix]修改fd = 0的dss异常场景情况

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This commit is contained in:
muyulinzhong
2024-08-13 17:43:26 +08:00
parent 768d0c4f44
commit 5dbaf33cbd
1 changed files with 9 additions and 0 deletions
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9
src/gausskernel/storage/smgr/segment/data_file.cpp
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@ -36,6 +36,8 @@
#include "postmaster/pagerepair.h"
#include "ddes/dms/ss_common_attr.h"
#define DSS_FD_CHECK(fd) (ENABLE_DSS) && (fd < DSS_HANDLE_BASE)
static const mode_t SEGMENT_FILE_MODE = S_IWUSR | S_IRUSR;
static int dv_open_file(char *filename, int flags, int mode);
@ -492,6 +494,13 @@ void df_open_files(SegLogicFile *sf)
void df_extend_internal(SegLogicFile *sf)
{
int fd = sf->segfiles[sf->file_num - 1].fd;
if (DSS_FD_CHECK(fd)) {
/* If fd = 0 under the DSS environment, we should open again. */
char *filename = slice_filename(sf->filename, sf->file_num - 1);
fd = dv_open_file(filename, O_RDWR | PG_BINARY, (int)SEGMENT_FILE_MODE);
sf->segfiles[sf->file_num - 1].fd = fd;
}
off_t last_file_size = lseek(fd, 0L, SEEK_END);
SegmentCheck(last_file_size <= DF_FILE_SLICE_SIZE);