MDEV-24175 Windows - fix detection of whether file is on SSD

vaintroub · vaintroub · commit fa557986acaf · 2022-02-17T22:55:08.000+01:00
Fix detection. SSD is when storage does *not* incur a seek penalty.
diff --git a/storage/innobase/os/os0file.cc b/storage/innobase/os/os0file.cc
@@ -7340,7 +7340,7 @@ static bool is_drive_on_ssd(DWORD nr)
                       sizeof storage_query, &seek_penalty, sizeof seek_penalty,
                       &bytes_written, nullptr))
   {
-    on_ssd= seek_penalty.IncursSeekPenalty;
+    on_ssd= !seek_penalty.IncursSeekPenalty;
   }
   else
   {

Original file line number	Diff line number	Diff line change
`@@ -7340,7 +7340,7 @@ static bool is_drive_on_ssd(DWORD nr)`
`7340`	`7340`	`sizeof storage_query, &seek_penalty, sizeof seek_penalty,`
`7341`	`7341`	`&bytes_written, nullptr))`
`7342`	`7342`	`{`
`7343`		`- on_ssd= seek_penalty.IncursSeekPenalty;`
	`7343`	`+ on_ssd= !seek_penalty.IncursSeekPenalty;`
`7344`	`7344`	`}`
`7345`	`7345`	`else`
`7346`	`7346`	`{`