dmmp_mpath_array_get

Section: Device Mapper Multipath API - libdmmp Manual (3)
Updated: dmmp_mpath_array_get
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NAME

dmmp_mpath_array_get - Query all existing multipath devices.  

SYNOPSIS

int dmmp_mpath_array_get (struct dmmp_context *ctx, struct dmmp_mpath ***dmmp_mps, uint32_t *dmmp_mp_count);  

ARGUMENTS

ctx
Pointer of 'struct dmmp_context'. If this pointer is NULL, your program will be terminated by assert.
dmmp_mps
Output pointer array of 'struct dmmp_mpath'. If this pointer is NULL, your program will be terminated by assert.
dmmp_mp_count
Output pointer of uint32_t. Hold the size of 'dmmp_mps' pointer array. If this pointer is NULL, your program will be terminated by assert.
 

DESCRIPTION

Query all existing multipath devices and store them into a pointer array. The memory of 'dmmp_mps' should be freed via dmmp_mpath_array_free.  

RETURN

int. Valid error codes are:

* DMMP_OK

* DMMP_ERR_BUG

* DMMP_ERR_NO_MEMORY

* DMMP_ERR_NO_DAEMON

* DMMP_ERR_INCONSISTENT_DATA

Error number could be converted to string by dmmp_strerror.


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN
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