shithub: gefs

Info  •  Files  •  Log  •  Branches

fs: if the snap is clean, actually do nothing

compressing logs is still something that will need
an update and sync.

--- a/fs.c

+++ b/fs.c

@@ -65,10 +65,6 @@

 	if(fs->rdonly)

 		return;

 	qlock(&fs->synclk);

-	if(!fs->snap.dirty){

-		qunlock(&fs->synclk);

-		return;

-	}

 	if(waserror()){

 		fprint(2, "failed to sync: %s\n", errmsg());

 		qunlock(&fs->synclk);

@@ -2355,6 +2351,8 @@

 		switch(am->op){

 		case AOsync:

 			tracem("syncreq");

+			if(!fs->snap.dirty)

+				continue;

 			if(waserror()){

 				fprint(2, "sync error: %s\n", errmsg());

 				ainc(&fs->rdonly);

@@ -2445,6 +2443,7 @@

 			}

 			if(am->dent != nil)

 				qlock(&am->dent->trunclk);

+			fs->snap.dirty = 1;

 			for(off = am->off; off < am->length; off += Blksz){

 				qlock(&fs->mutlk);

 				if(waserror()){