Author: avg
Date: Thu Mar 23 08:00:45 2017
New Revision: 315835
URL: https://svnweb.freebsd.org/changeset/base/315835

Log:
  MFC r314913: MFV r314911: 7867 ARC space accounting leak

Modified:
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c      Thu Mar 
23 08:00:16 2017        (r315834)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c      Thu Mar 
23 08:00:45 2017        (r315835)
@@ -2610,6 +2610,12 @@ arc_hdr_free_on_write(arc_buf_hdr_t *hdr
                    size, hdr);
        }
        (void) refcount_remove_many(&state->arcs_size, size, hdr);
+       if (type == ARC_BUFC_METADATA) {
+               arc_space_return(size, ARC_SPACE_META);
+       } else {
+               ASSERT(type == ARC_BUFC_DATA);
+               arc_space_return(size, ARC_SPACE_DATA);
+       }
 
        l2arc_free_data_on_write(hdr->b_l1hdr.b_pdata, size, type);
 }
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