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Differential D12144 Diff 32442 sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c

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sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c

Context not available.
uint64_t zfs_arc_meta_min = 0; uint64_t zfs_arc_meta_min = 0;
int zfs_arc_grow_retry = 0; int zfs_arc_grow_retry = 0;
int zfs_arc_shrink_shift = 0; int zfs_arc_shrink_shift = 0;
int zfs_arc_no_grow_shift = 0;
int zfs_arc_p_min_shift = 0; int zfs_arc_p_min_shift = 0;
uint64_t zfs_arc_average_blocksize = 8 * 1024; /* 8KB */ uint64_t zfs_arc_average_blocksize = 8 * 1024; /* 8KB */
u_int zfs_arc_free_target = 0; u_int zfs_arc_free_target = 0;
Context not available.
static int sysctl_vfs_zfs_arc_meta_limit(SYSCTL_HANDLER_ARGS); static int sysctl_vfs_zfs_arc_meta_limit(SYSCTL_HANDLER_ARGS);
static int sysctl_vfs_zfs_arc_max(SYSCTL_HANDLER_ARGS); static int sysctl_vfs_zfs_arc_max(SYSCTL_HANDLER_ARGS);
static int sysctl_vfs_zfs_arc_min(SYSCTL_HANDLER_ARGS); static int sysctl_vfs_zfs_arc_min(SYSCTL_HANDLER_ARGS);
static int sysctl_vfs_zfs_arc_no_grow_shift(SYSCTL_HANDLER_ARGS);
#if defined(__FreeBSD__) && defined(_KERNEL) #if defined(__FreeBSD__) && defined(_KERNEL)
static void static void
Context not available.
TUNABLE_QUAD("vfs.zfs.arc_meta_limit", &zfs_arc_meta_limit); TUNABLE_QUAD("vfs.zfs.arc_meta_limit", &zfs_arc_meta_limit);
TUNABLE_QUAD("vfs.zfs.arc_meta_min", &zfs_arc_meta_min); TUNABLE_QUAD("vfs.zfs.arc_meta_min", &zfs_arc_meta_min);
TUNABLE_INT("vfs.zfs.arc_shrink_shift", &zfs_arc_shrink_shift); TUNABLE_INT("vfs.zfs.arc_shrink_shift", &zfs_arc_shrink_shift);
TUNABLE_INT("vfs.zfs.arc_grow_retry", &zfs_arc_grow_retry);
TUNABLE_INT("vfs.zfs.arc_no_grow_shift", &zfs_arc_no_grow_shift);
SYSCTL_DECL(_vfs_zfs); SYSCTL_DECL(_vfs_zfs);
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_max, CTLTYPE_U64 | CTLFLAG_RWTUN, SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_max, CTLTYPE_U64 | CTLFLAG_RWTUN,
0, sizeof(uint64_t), sysctl_vfs_zfs_arc_max, "QU", "Maximum ARC size"); 0, sizeof(uint64_t), sysctl_vfs_zfs_arc_max, "QU", "Maximum ARC size");
SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_min, CTLTYPE_U64 | CTLFLAG_RWTUN, SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_min, CTLTYPE_U64 | CTLFLAG_RWTUN,
0, sizeof(uint64_t), sysctl_vfs_zfs_arc_min, "QU", "Minimum ARC size"); 0, sizeof(uint64_t), sysctl_vfs_zfs_arc_min, "QU", "Minimum ARC size");
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", "log2(fraction of ARC which must be free to allow growing)");
smhUnsubmitted
Not Done
Inline Actions

Style nit, needs wrapping.

smh: Style nit, needs wrapping.
SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, arc_average_blocksize, CTLFLAG_RDTUN, SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, arc_average_blocksize, CTLFLAG_RDTUN,
&zfs_arc_average_blocksize, 0, &zfs_arc_average_blocksize, 0,
"ARC average blocksize"); "ARC average blocksize");
SYSCTL_INT(_vfs_zfs, OID_AUTO, arc_shrink_shift, CTLFLAG_RW, SYSCTL_INT(_vfs_zfs, OID_AUTO, arc_shrink_shift, CTLFLAG_RW,
&arc_shrink_shift, 0, &arc_shrink_shift, 0,
"log2(fraction of arc to reclaim)"); "log2(fraction of arc to reclaim)");
SYSCTL_INT(_vfs_zfs, OID_AUTO, arc_grow_retry, CTLFLAG_RW,
&arc_grow_retry, 0,
"Wait time before considering growing ARC");
asomersUnsubmitted
Not Done
Inline Actions

Wait time in what units?

asomers: Wait time in what units?
nikita_elyzion.netAuthorUnsubmitted
Not Done
Inline Actions

in seconds, updated.

nikita_elyzion.net: in seconds, updated.
SYSCTL_INT(_vfs_zfs, OID_AUTO, compressed_arc_enabled, CTLFLAG_RDTUN, SYSCTL_INT(_vfs_zfs, OID_AUTO, compressed_arc_enabled, CTLFLAG_RDTUN,
&zfs_compressed_arc_enabled, 0, "Enable compressed ARC"); &zfs_compressed_arc_enabled, 0, "Enable compressed ARC");
Context not available.
return (0); return (0);
} }
static int
sysctl_vfs_zfs_arc_no_grow_shift(SYSCTL_HANDLER_ARGS)
{
uint32_t val;
int err;
val = arc_no_grow_shift;
err = sysctl_handle_32(oidp, &val, 0, req);
if (err != 0 || req->newptr == NULL)
return (err);
if (val >= arc_shrink_shift)
return (EINVAL);
arc_no_grow_shift = val;
return (0);
}
static int static int
sysctl_vfs_zfs_arc_max(SYSCTL_HANDLER_ARGS) sysctl_vfs_zfs_arc_max(SYSCTL_HANDLER_ARGS)
{ {
Context not available.
if (zfs_arc_shrink_shift > 0) if (zfs_arc_shrink_shift > 0)
arc_shrink_shift = zfs_arc_shrink_shift; arc_shrink_shift = zfs_arc_shrink_shift;
if (zfs_arc_no_grow_shift > 0)
arc_no_grow_shift = zfs_arc_no_grow_shift;
/* /*
* Ensure that arc_no_grow_shift is less than arc_shrink_shift. * Ensure that arc_no_grow_shift is less than arc_shrink_shift.
*/ */
Context not available.