Date: Fri, 3 Apr 2015 06:17:25 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r281013 - stable/9/sys/geom/mirror Message-ID: <201504030617.t336HPJ7055396@svn.freebsd.org>
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Author: mav Date: Fri Apr 3 06:17:24 2015 New Revision: 281013 URL: https://svnweb.freebsd.org/changeset/base/281013 Log: MFC r280756, r280758: Fix bug on memory allocation error in split method. While there, use bioq_takefirst() in place where it is convenient. Modified: stable/9/sys/geom/mirror/g_mirror.c Directory Properties: stable/9/ (props changed) stable/9/sys/ (props changed) Modified: stable/9/sys/geom/mirror/g_mirror.c ============================================================================== --- stable/9/sys/geom/mirror/g_mirror.c Fri Apr 3 06:16:20 2015 (r281012) +++ stable/9/sys/geom/mirror/g_mirror.c Fri Apr 3 06:17:24 2015 (r281013) @@ -1542,7 +1542,7 @@ g_mirror_request_split(struct g_mirror_s if (cbp == NULL) { for (cbp = bioq_first(&queue); cbp != NULL; cbp = bioq_first(&queue)) { - bioq_remove(&queue, cbp); + g_destroy_bio(cbp); g_destroy_bio(cbp); } if (bp->bio_error == 0) @@ -1829,7 +1829,7 @@ g_mirror_worker(void *arg) */ /* Get first request from the queue. */ mtx_lock(&sc->sc_queue_mtx); - bp = bioq_first(&sc->sc_queue); + bp = bioq_takefirst(&sc->sc_queue); if (bp == NULL) { if ((sc->sc_flags & G_MIRROR_DEVICE_FLAG_DESTROY) != 0) { @@ -1857,7 +1857,6 @@ g_mirror_worker(void *arg) G_MIRROR_DEBUG(5, "%s: I'm here 4.", __func__); continue; } - bioq_remove(&sc->sc_queue, bp); mtx_unlock(&sc->sc_queue_mtx); if (bp->bio_from->geom == sc->sc_sync.ds_geom &&
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