mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-26 03:09:34 +03:00
4e21fd060a
This change introduces a new weighting algorithm to improve metaslab selection. The new weighting algorithm relies on the SPACEMAP_HISTOGRAM feature. As a result, the metaslab weight now encodes the type of weighting algorithm used (size-based vs segment-based). Porting Notes: The metaslab allocation tracing code is conditionally removed on linux (dependent on mdb debugger). Authored by: George Wilson <george.wilson@delphix.com> Reviewed by: Alex Reece <alex@delphix.com> Reviewed by: Chris Siden <christopher.siden@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com> Reviewed by: Pavel Zakharov pavel.zakharov@delphix.com Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Don Brady <don.brady@intel.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Ported-by: Don Brady <don.brady@intel.com> OpenZFS-issue: https://www.illumos.org/issues/7303 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/d5190931bd Closes #5404
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
|
|
* 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 http://www.opensolaris.org/os/licensing.
|
|
* 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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _SYS_ZFS_DEBUG_H
|
|
#define _SYS_ZFS_DEBUG_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef TRUE
|
|
#define TRUE 1
|
|
#endif
|
|
|
|
#ifndef FALSE
|
|
#define FALSE 0
|
|
#endif
|
|
|
|
extern int zfs_flags;
|
|
extern int zfs_recover;
|
|
extern int zfs_free_leak_on_eio;
|
|
|
|
#define ZFS_DEBUG_DPRINTF (1 << 0)
|
|
#define ZFS_DEBUG_DBUF_VERIFY (1 << 1)
|
|
#define ZFS_DEBUG_DNODE_VERIFY (1 << 2)
|
|
#define ZFS_DEBUG_SNAPNAMES (1 << 3)
|
|
#define ZFS_DEBUG_MODIFY (1 << 4)
|
|
#define ZFS_DEBUG_SPA (1 << 5)
|
|
#define ZFS_DEBUG_ZIO_FREE (1 << 6)
|
|
#define ZFS_DEBUG_HISTOGRAM_VERIFY (1 << 7)
|
|
#define ZFS_DEBUG_METASLAB_VERIFY (1 << 8)
|
|
|
|
extern void __dprintf(const char *file, const char *func,
|
|
int line, const char *fmt, ...);
|
|
#define dprintf(...) \
|
|
__dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
|
|
#define zfs_dbgmsg(...) \
|
|
__dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
|
|
|
|
extern void zfs_panic_recover(const char *fmt, ...);
|
|
|
|
typedef struct zfs_dbgmsg {
|
|
list_node_t zdm_node;
|
|
time_t zdm_timestamp;
|
|
int zdm_size;
|
|
char zdm_msg[1]; /* variable length allocation */
|
|
} zfs_dbgmsg_t;
|
|
|
|
extern void zfs_dbgmsg_init(void);
|
|
extern void zfs_dbgmsg_fini(void);
|
|
|
|
#ifndef _KERNEL
|
|
extern int dprintf_find_string(const char *string);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_ZFS_DEBUG_H */
|