Date: Mon, 17 Feb 2014 18:16:37 +0000 (UTC) From: Andriy Gapon <avg@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: r262116 - stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201402171816.s1HIGbeX082778@svn.freebsd.org>
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Author: avg Date: Mon Feb 17 18:16:36 2014 New Revision: 262116 URL: http://svnweb.freebsd.org/changeset/base/262116 Log: MFC r260835: MFV r260834: Fix memory leak of compressed buffers in l2arc_write_done Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Directory Properties: stable/9/sys/ (props changed) stable/9/sys/cddl/contrib/opensolaris/ (props changed) Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c ============================================================================== --- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Mon Feb 17 18:16:25 2014 (r262115) +++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Mon Feb 17 18:16:36 2014 (r262116) @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2013 by Delphix. All rights reserved. - * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2014 by Saso Kiselkov. All rights reserved. * Copyright 2013 Nexenta Systems, Inc. All rights reserved. */ @@ -4593,6 +4593,13 @@ l2arc_write_done(zio_t *zio) */ for (ab = list_prev(buflist, head); ab; ab = ab_prev) { ab_prev = list_prev(buflist, ab); + abl2 = ab->b_l2hdr; + + /* + * Release the temporary compressed buffer as soon as possible. + */ + if (abl2->b_compress != ZIO_COMPRESS_OFF) + l2arc_release_cdata_buf(ab); hash_lock = HDR_LOCK(ab); if (!mutex_tryenter(hash_lock)) { @@ -4605,14 +4612,6 @@ l2arc_write_done(zio_t *zio) continue; } - abl2 = ab->b_l2hdr; - - /* - * Release the temporary compressed buffer as soon as possible. - */ - if (abl2->b_compress != ZIO_COMPRESS_OFF) - l2arc_release_cdata_buf(ab); - if (zio->io_error != 0) { /* * Error - drop L2ARC entry.
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