/*
* Equalizer Load-balancer for serial network interfaces.
*
* (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
* NCM: Network and Communications Management, Inc.
*
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
* The author may be reached as simon@ncm.com, or C/O
* NCM
* Attn: Simon Janes
* 6803 Whittier Ave
* McLean VA 22101
* Phone: 1-703-847-0040 ext 103
*/
#ifndef _UAPI_LINUX_IF_EQL_H
#define _UAPI_LINUX_IF_EQL_H
#define EQL_DEFAULT_SLAVE_PRIORITY 28800
#define EQL_DEFAULT_MAX_SLAVES 4
#define EQL_DEFAULT_MTU 576
#define EQL_DEFAULT_RESCHED_IVAL HZ
#define EQL_ENSLAVE (SIOCDEVPRIVATE)
#define EQL_EMANCIPATE (SIOCDEVPRIVATE + 1)
#define EQL_GETSLAVECFG (SIOCDEVPRIVATE + 2)
#define EQL_SETSLAVECFG (SIOCDEVPRIVATE + 3)
#define EQL_GETMASTRCFG (SIOCDEVPRIVATE + 4)
#define EQL_SETMASTRCFG (SIOCDEVPRIVATE + 5)
typedef struct master_config {
char master_name[16];
int max_slaves;
int min_slaves;
} master_config_t;
typedef struct slave_config {
char slave_name[16];
long priority;
} slave_config_t;
typedef struct slaving_request {
char slave_name[16];
long priority;
} slaving_request_t;
#endif /* _UAPI_LINUX_IF_EQL_H */
ion>
Btrfs: use down_read_nested to make lockdep silent
If @block_group is not @used_bg, it'll try to get @used_bg's lock without
droping @block_group 's lock and lockdep has throwed a scary deadlock warning
about it.
Fix it by using down_read_nested.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>