MFC r260835: MFV r260834: Fix memory leak of compressed buffers in l2arc_write_done

This commit is contained in:
avg 2014-02-17 18:16:25 +00:00
parent c448604d7f
commit b0a4129370

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@ -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.