fusefrontend: unbreak isConsecutiveWrite streaming write optimization

rfjakob · rfjakob · commit 8f3ec5dcaa6e · 2023-02-21T22:08:41.000+01:00
Commit 6196a5b got the logic inverted, hence we never set the last position markers. Fixes #712
diff --git a/internal/fusefrontend/file.go b/internal/fusefrontend/file.go
@@ -384,7 +384,7 @@ func (f *File) Write(ctx context.Context, data []byte, off int64) (uint32, sysca
 		}
 	}
 	n, errno := f.doWrite(data, off)
-	if errno != 0 {
+	if errno == 0 {
 		f.lastOpCount = openfiletable.WriteOpCount()
 		f.lastWrittenOffset = off + int64(len(data)) - 1
 	}

Original file line number	Diff line number	Diff line change
`@@ -384,7 +384,7 @@ func (f *File) Write(ctx context.Context, data []byte, off int64) (uint32, sysca`
`384`	`384`	`}`
`385`	`385`	`}`
`386`	`386`	`n, errno := f.doWrite(data, off)`
`387`		`- if errno != 0 {`
	`387`	`+ if errno == 0 {`
`388`	`388`	`f.lastOpCount = openfiletable.WriteOpCount()`
`389`	`389`	`f.lastWrittenOffset = off + int64(len(data)) - 1`
`390`	`390`	`}`