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FreeBSD: Organize sysctls

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FreeBSD had a few platform-specific ARC tunables in the wrong place:

- Move FreeBSD-specifc ARC tunables into the same vfs.zfs.arc node as
  the rest of the ARC tunables.
- Move the handlers from arc_os.c to sysctl_os.c and add compat sysctls
  for the legacy names.

While here, some additional clean up:

- Most handlers are specific to a particular variable and don't need a
  pointer passed through the args.
- Group blocks of related variables, handlers, and sysctl declarations
  into logical sections.
- Match variable types for temporaries in handlers with the type of the
  global variable.
- Remove leftover comments.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #13756
This commit is contained in:
Ryan Moeller
2022-08-09 09:05:47 +00:00
committed by Brian Behlendorf
parent 4723eba8c0
commit 7bb707ffaf
3 changed files with 455 additions and 308 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/os/freebsd/spl/sys/mod_os.h
+16 -10
View File
@@ -59,15 +59,21 @@
#define param_set_arc_long_args(var) \
CTLTYPE_ULONG, &var, 0, param_set_arc_long, "LU"
#define param_set_arc_min_args(var) \
CTLTYPE_ULONG, &var, 0, param_set_arc_min, "LU"
#define param_set_arc_max_args(var) \
CTLTYPE_ULONG, &var, 0, param_set_arc_max, "LU"
#define param_set_arc_int_args(var) \
CTLTYPE_INT, &var, 0, param_set_arc_int, "I"
#define param_set_arc_min_args(var) \
CTLTYPE_ULONG, NULL, 0, param_set_arc_min, "LU"
#define param_set_arc_max_args(var) \
CTLTYPE_ULONG, NULL, 0, param_set_arc_max, "LU"
#define param_set_arc_free_target_args(var) \
CTLTYPE_UINT, NULL, 0, param_set_arc_free_target, "IU"
#define param_set_arc_no_grow_shift_args(var) \
CTLTYPE_INT, NULL, 0, param_set_arc_no_grow_shift, "I"
#define param_set_deadman_failmode_args(var) \
CTLTYPE_STRING, NULL, 0, param_set_deadman_failmode, "A"
@@ -78,16 +84,16 @@
CTLTYPE_ULONG, NULL, 0, param_set_deadman_ziotime, "LU"
#define param_set_multihost_interval_args(var) \
CTLTYPE_ULONG, &var, 0, param_set_multihost_interval, "LU"
CTLTYPE_ULONG, NULL, 0, param_set_multihost_interval, "LU"
#define param_set_slop_shift_args(var) \
CTLTYPE_INT, &var, 0, param_set_slop_shift, "I"
CTLTYPE_INT, NULL, 0, param_set_slop_shift, "I"
#define param_set_min_auto_ashift_args(var) \
CTLTYPE_U64, &var, 0, param_set_min_auto_ashift, "QU"
CTLTYPE_U64, NULL, 0, param_set_min_auto_ashift, "QU"
#define param_set_max_auto_ashift_args(var) \
CTLTYPE_U64, &var, 0, param_set_max_auto_ashift, "QU"
CTLTYPE_U64, NULL, 0, param_set_max_auto_ashift, "QU"
#define fletcher_4_param_set_args(var) \
CTLTYPE_STRING, NULL, 0, fletcher_4_param, "A"