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FreeBSD: 11.x arc_stats compatibility 

Removing other_size from arc_stats breaks top in 11.x jails
running on HEAD.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10745
This commit is contained in:
Matthew Macy 2020-08-20 10:55:02 -07:00 committed by GitHub
parent 10b3c7f5e4
commit 1c2725a157
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 16 additions and 1 deletions
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7
include/sys/arc_impl.h
View File

@ -619,6 +619,13 @@ typedef struct arc_stats {
* Not updated directly; only synced in arc_kstat_update.
*/
kstat_named_t arcstat_bonus_size;
#if defined(COMPAT_FREEBSD11)
/*
* Sum of the previous three counters, provided for compatibility.
*/
kstat_named_t arcstat_other_size;
#endif
/*
* Total number of bytes consumed by ARC buffers residing in the
* arc_anon state. This includes *all* buffers in the arc_anon

2
module/Makefile.bsd
View File

@ -33,7 +33,7 @@ CFLAGS+= -include ${INCDIR}/os/freebsd/spl/sys/ccompile.h
CFLAGS+= -D__KERNEL__ -DFREEBSD_NAMECACHE -DBUILDING_ZFS -D__BSD_VISIBLE=1 \
-DHAVE_UIO_ZEROCOPY -DWITHOUT_NETDUMP -D__KERNEL -D_SYS_CONDVAR_H_ \
-D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP -DHAVE_KSID
-D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP -DHAVE_KSID -DCOMPAT_FREEBSD11
.if ${MACHINE_ARCH} == "amd64"
CFLAGS+= -DHAVE_AVX2 -DHAVE_AVX -D__x86_64 -DHAVE_SSE2 -DHAVE_AVX512F -DHAVE_SSSE3

8
module/zfs/arc.c
View File

@ -512,6 +512,9 @@ arc_stats_t arc_stats = {
{ "dbuf_size", KSTAT_DATA_UINT64 },
{ "dnode_size", KSTAT_DATA_UINT64 },
{ "bonus_size", KSTAT_DATA_UINT64 },
#if defined(COMPAT_FREEBSD11)
{ "other_size", KSTAT_DATA_UINT64 },
#endif
{ "anon_size", KSTAT_DATA_UINT64 },
{ "anon_evictable_data", KSTAT_DATA_UINT64 },
{ "anon_evictable_metadata", KSTAT_DATA_UINT64 },
@ -7121,6 +7124,11 @@ arc_kstat_update(kstat_t *ksp, int rw)
ARCSTAT(arcstat_hdr_size) = aggsum_value(&astat_hdr_size);
ARCSTAT(arcstat_l2_hdr_size) = aggsum_value(&astat_l2_hdr_size);
ARCSTAT(arcstat_dbuf_size) = aggsum_value(&astat_dbuf_size);
#if defined(COMPAT_FREEBSD11)
ARCSTAT(arcstat_other_size) = aggsum_value(&astat_bonus_size) +
aggsum_value(&astat_dnode_size) +
aggsum_value(&astat_dbuf_size);
#endif
ARCSTAT(arcstat_dnode_size) = aggsum_value(&astat_dnode_size);
ARCSTAT(arcstat_bonus_size) = aggsum_value(&astat_bonus_size);
ARCSTAT(arcstat_abd_chunk_waste_size) =