DiskIO (Linux): fix multi-namespace nvme drive detection

CarterLi · CarterLi · commit ecd73667df75 · 2024-10-17T19:38:48.000+08:00
diff --git a/src/detection/diskio/diskio_linux.c b/src/detection/diskio/diskio_linux.c
@@ -38,7 +38,7 @@ static void parseDiskIOCounters(int dfd, const char* devName, FFlist* result, FF
                 {
                     char pathSysBlock[16];
                     snprintf(pathSysBlock, sizeof(pathSysBlock), "nvme%dn2", devid);
-                    faccessat(devfd, pathSysBlock, F_OK, 0);
+                    multiNs = faccessat(devfd, pathSysBlock, F_OK, 0) == 0;
                 }
                 if (multiNs)
                 {

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ static void parseDiskIOCounters(int dfd, const char* devName, FFlist* result, FF`
`38`	`38`	`{`
`39`	`39`	`char pathSysBlock[16];`
`40`	`40`	`snprintf(pathSysBlock, sizeof(pathSysBlock), "nvme%dn2", devid);`
`41`		`- faccessat(devfd, pathSysBlock, F_OK, 0);`
	`41`	`+ multiNs = faccessat(devfd, pathSysBlock, F_OK, 0) == 0;`
`42`	`42`	`}`
`43`	`43`	`if (multiNs)`
`44`	`44`	`{`