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FreeBSD: Add legacy arc_min and arc_max

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These tunables were renamed from vfs.zfs.arc_min and 
vfs.zfs.arc_max to vfs.zfs.arc.min and vfs.zfs.arc.max.
Add legacy compat tunables for the old names.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10579
This commit is contained in:
Ryan Moeller 2020-07-19 13:15:34 -04:00 committed by GitHub
parent ceadc0dbbd
commit 0421f257b2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 39 additions and 30 deletions
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2
cmd/zdb/zdb.c
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@ -101,7 +101,7 @@ zdb_ot_name(dmu_object_type_t type)
extern int reference_tracking_enable; extern int reference_tracking_enable;
extern int zfs_recover; extern int zfs_recover;
extern uint64_t zfs_arc_min, zfs_arc_max, zfs_arc_meta_min, zfs_arc_meta_limit; extern unsigned long zfs_arc_meta_min, zfs_arc_meta_limit;
extern int zfs_vdev_async_read_max_active; extern int zfs_vdev_async_read_max_active;
extern boolean_t spa_load_verify_dryrun; extern boolean_t spa_load_verify_dryrun;
extern int zfs_reconstruct_indirect_combinations_max; extern int zfs_reconstruct_indirect_combinations_max;

2
include/sys/arc_impl.h
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@ -889,6 +889,8 @@ extern arc_state_t *arc_mfu;
extern arc_state_t *arc_mru; extern arc_state_t *arc_mru;
extern uint_t zfs_arc_pc_percent; extern uint_t zfs_arc_pc_percent;
extern int arc_lotsfree_percent; extern int arc_lotsfree_percent;
extern unsigned long zfs_arc_min;
extern unsigned long zfs_arc_max;
extern void arc_reduce_target_size(int64_t to_free); extern void arc_reduce_target_size(int64_t to_free);
extern boolean_t arc_reclaim_needed(void); extern boolean_t arc_reclaim_needed(void);

65
module/os/freebsd/zfs/sysctl_os.c
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@ -264,6 +264,42 @@ sysctl_vfs_zfs_arc_no_grow_shift(SYSCTL_HANDLER_ARGS)
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_no_grow_shift, CTLTYPE_U32 | CTLFLAG_RWTUN, SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_no_grow_shift, CTLTYPE_U32 | CTLFLAG_RWTUN,
0, sizeof (uint32_t), sysctl_vfs_zfs_arc_no_grow_shift, "U", 0, sizeof (uint32_t), sysctl_vfs_zfs_arc_no_grow_shift, "U",
"log2(fraction of ARC which must be free to allow growing)"); "log2(fraction of ARC which must be free to allow growing)");
int
param_set_arc_long(SYSCTL_HANDLER_ARGS)
{
int err;
err = sysctl_handle_long(oidp, arg1, 0, req);
if (err != 0 || req->newptr == NULL)
return (err);
arc_tuning_update(B_TRUE);
return (0);
}
int
param_set_arc_int(SYSCTL_HANDLER_ARGS)
{
int err;
err = sysctl_handle_int(oidp, arg1, 0, req);
if (err != 0 || req->newptr == NULL)
return (err);
arc_tuning_update(B_TRUE);
return (0);
}
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_min, CTLTYPE_ULONG | CTLFLAG_RWTUN,
&zfs_arc_min, sizeof (zfs_arc_min), param_set_arc_long, "LU",
"min arc size (LEGACY)");
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_max, CTLTYPE_ULONG | CTLFLAG_RWTUN,
&zfs_arc_max, sizeof (zfs_arc_max), param_set_arc_long, "LU",
"max arc size (LEGACY)");
/* dbuf.c */ /* dbuf.c */
@ -643,35 +679,6 @@ SYSCTL_INT(_vfs_zfs_zio, OID_AUTO, use_uma, CTLFLAG_RDTUN, &zio_use_uma, 0,
SYSCTL_INT(_vfs_zfs_zio, OID_AUTO, exclude_metadata, CTLFLAG_RDTUN, &zio_exclude_metadata, 0, SYSCTL_INT(_vfs_zfs_zio, OID_AUTO, exclude_metadata, CTLFLAG_RDTUN, &zio_exclude_metadata, 0,
"Exclude metadata buffers from dumps as well"); "Exclude metadata buffers from dumps as well");
int
param_set_arc_long(SYSCTL_HANDLER_ARGS)
{
int err;
err = sysctl_handle_long(oidp, arg1, 0, req);
if (err != 0 || req->newptr == NULL)
return (err);
arc_tuning_update(B_TRUE);
return (0);
}
int
param_set_arc_int(SYSCTL_HANDLER_ARGS)
{
int err;
err = sysctl_handle_int(oidp, arg1, 0, req);
if (err != 0 || req->newptr == NULL)
return (err);
arc_tuning_update(B_TRUE);
return (0);
}
int int
param_set_slop_shift(SYSCTL_HANDLER_ARGS) param_set_slop_shift(SYSCTL_HANDLER_ARGS)
{ {