Date: Mon, 16 Mar 2015 20:00:09 +0000 (UTC) From: Benno Rice <benno@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r280153 - head/sys/kern Message-ID: <201503162000.t2GK09Mm001419@svn.freebsd.org>
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Author: benno Date: Mon Mar 16 20:00:09 2015 New Revision: 280153 URL: https://svnweb.freebsd.org/changeset/base/280153 Log: Reset bp->bio_done to unmapped_buf when removing a transient map in biodone. Submitted by: Scott Ferris <scott.ferris@isilon.com> Sponsored by: EMC / Isilon Storage Division Reviewed by: kib Modified: head/sys/kern/vfs_bio.c Modified: head/sys/kern/vfs_bio.c ============================================================================== --- head/sys/kern/vfs_bio.c Mon Mar 16 19:29:19 2015 (r280152) +++ head/sys/kern/vfs_bio.c Mon Mar 16 20:00:09 2015 (r280153) @@ -3611,6 +3611,7 @@ biodone(struct bio *bp) bp->bio_flags |= BIO_UNMAPPED; start = trunc_page((vm_offset_t)bp->bio_data); end = round_page((vm_offset_t)bp->bio_data + bp->bio_length); + bp->bio_data = unmapped_buf; pmap_qremove(start, OFF_TO_IDX(end - start)); vmem_free(transient_arena, start, end - start); atomic_add_int(&inflight_transient_maps, -1);
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