Archive-Team
/
zfs
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 103 Wiki Activity

pretty: initial concept for ZIO flags 

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
This commit is contained in:
Rob Norris 2024-02-29 11:25:24 +11:00 committed by Rob Norris
parent 2ed1aebaf6
commit 0ed16548e4
7 changed files with 194 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/Makefile.am
View File

@ -13,6 +13,7 @@ COMMON_H = \
zfs_deleg.h \
zfs_fletcher.h \
zfs_namecheck.h \
zfs_pretty.h \
zfs_prop.h \
\
sys/abd.h \

47
include/zfs_pretty.h Normal file
View File

@ -0,0 +1,47 @@
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2024, Klara Inc.
*/
#ifndef _ZFS_PRETTY_H
#define _ZFS_PRETTY_H extern __attribute__((visibility("default")))
#include <sys/fs/zfs.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
_ZFS_PRETTY_H size_t zfs_pretty_zio_flag_bits(
uint64_t bits, char *out, size_t outlen);
_ZFS_PRETTY_H size_t zfs_pretty_zio_flag_pairs(
uint64_t bits, char *out, size_t outlen);
_ZFS_PRETTY_H size_t zfs_pretty_zio_flag_str(
uint64_t bits, char *out, size_t outlen);
#ifdef __cplusplus
}
#endif
#endif /* _ZFS_PRETTY_H */

1
lib/libzfs/Makefile.am
View File

@ -46,6 +46,7 @@ nodist_libzfs_la_SOURCES = \
module/zcommon/zfs_fletcher_superscalar.c \
module/zcommon/zfs_fletcher_superscalar4.c \
module/zcommon/zfs_namecheck.c \
module/zcommon/zfs_pretty.c \
module/zcommon/zfs_prop.c \
module/zcommon/zpool_prop.c \
module/zcommon/zprop_common.c

1
lib/libzpool/Makefile.am
View File

@ -61,6 +61,7 @@ nodist_libzpool_la_SOURCES = \
module/zcommon/zfs_fletcher_superscalar.c \
module/zcommon/zfs_fletcher_superscalar4.c \
module/zcommon/zfs_namecheck.c \
module/zcommon/zfs_pretty.c \
module/zcommon/zfs_prop.c \
module/zcommon/zpool_prop.c \
module/zcommon/zprop_common.c \

1
module/Kbuild.in
View File

@ -239,6 +239,7 @@ ZCOMMON_OBJS := \
zfs_fletcher_superscalar.o \
zfs_fletcher_superscalar4.o \
zfs_namecheck.o \
zfs_pretty.o \
zfs_prop.o \
zpool_prop.o \
zprop_common.o

1
module/Makefile.bsd
View File

@ -232,6 +232,7 @@ SRCS+= cityhash.c \
zfs_fletcher_superscalar4.c \
zfs_fletcher_superscalar.c \
zfs_namecheck.c \
zfs_pretty.c \
zfs_prop.c \
zpool_prop.c \
zprop_common.c

142
module/zcommon/zfs_pretty.c Normal file
View File

@ -0,0 +1,142 @@
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2024, Klara Inc.
*/
#include <sys/fs/zfs.h>
#include <sys/types.h>
#include <sys/string.h>
#include <sys/debug.h>
#include "zfs_pretty.h"
typedef struct {
const char pb_bit;
const char pb_pair[2];
const char *pb_name;
} pretty_bit_t;
static const pretty_bit_t pretty_zio_flag_table[] = {
{ '.', "DA", "DONT_AGGREGATE" },
{ '.', "RP", "IO_REPAIR" },
{ '.', "SH", "SELF_HEAL" },
{ '.', "RS", "RESILVER" },
{ '.', "SC", "SCRUB" },
{ '.', "ST", "SCAN_THREAD" },
{ '.', "PH", "PHYSICAL" },
{ '.', "CF", "CANFAIL" },
{ '.', "SP", "SPECULATIVE" },
{ '.', "CW", "CONFIG_WRITER" },
{ '.', "DR", "DONT_RETRY" },
{ '.', "ND", "NODATA" },
{ '.', "ID", "INDUCE_DAMAGE" },
{ '.', "AL", "IO_ALLOCATING" },
{ '.', "RE", "IO_RETRY" },
{ '.', "PR", "PROBE" },
{ '.', "TH", "TRYHARD" },
{ '.', "OP", "OPTIONAL" },
{ '.', "DQ", "DONT_QUEUE" },
{ '.', "DP", "DONT_PROPAGATE" },
{ '.', "BY", "IO_BYPASS" },
{ '.', "RW", "IO_REWRITE" },
{ '.', "CM", "RAW_COMPRESS" },
{ '.', "EN", "RAW_ENCRYPT" },
{ '.', "GG", "GANG_CHILD" },
{ '.', "DD", "DDT_CHILD" },
{ '.', "GF", "GODFATHER" },
{ '.', "NP", "NOPWRITE" },
{ '.', "EX", "REEXECUTED" },
{ '.', "DG", "DELEGATED" },
};
static const size_t pretty_zio_flag_table_elems =
sizeof (pretty_zio_flag_table) / sizeof (pretty_bit_t);
size_t
zfs_pretty_zio_flag_bits(uint64_t bits, char *out, size_t outlen)
{
ASSERT(out);
size_t n = 0;
for (int b = pretty_zio_flag_table_elems; b >= 0; b--) {
if (n == outlen)
break;
uint64_t mask = (1ULL << b);
out[n++] =
(bits & mask) ? pretty_zio_flag_table[b].pb_bit : ' ';
}
if (n < outlen)
out[n++] = '\0';
return (n);
}
size_t
zfs_pretty_zio_flag_pairs(uint64_t bits, char *out, size_t outlen)
{
ASSERT(out);
size_t n = 0;
for (int b = pretty_zio_flag_table_elems; b >= 0; b--) {
ASSERT3U(n, <=, outlen);
if (n == outlen)
break;
uint64_t mask = (1ULL << b);
if (bits & mask) {
size_t len = (n > 0) ? 3 : 2;
if (n > outlen-len)
break;
if (n > 0)
out[n++] = '|';
out[n++] = pretty_zio_flag_table[b].pb_pair[0];
out[n++] = pretty_zio_flag_table[b].pb_pair[1];
}
}
if (n < outlen)
out[n++] = '\0';
return (n);
}
size_t
zfs_pretty_zio_flag_str(uint64_t bits, char *out, size_t outlen)
{
ASSERT(out);
size_t n = 0;
for (int b = pretty_zio_flag_table_elems; b >= 0; b--) {
ASSERT3U(n, <=, outlen);
if (n == outlen)
break;
uint64_t mask = (1ULL << b);
if (bits & mask) {
size_t len = strlen(pretty_zio_flag_table[b].pb_name);
if (n > 0)
len++;
if (n > outlen-len)
break;
if (n > 0) {
out[n++] = ' ';
len--;
}
memcpy(&out[n], pretty_zio_flag_table[b].pb_name, len);
n += len;
}
}
if (n < outlen)
out[n++] = '\0';
return (n);
}