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flexnbd status: Add the size of the backing file, in bytes

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This will be handy information if you're querying flexnbd for migration
stats, particularly.
This commit is contained in:
nick
2013-07-08 10:11:18 +01:00
parent f556f298b1
commit dee0bb27d6
3 changed files with 52 additions and 5 deletions
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4
src/status.c
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@@ -9,6 +9,7 @@ struct status * status_create( struct server * serve )
status = xmalloc( sizeof( struct status ) );
status->pid = getpid();
status->size = serve->size;
status->has_control = serve->success;
status->is_mirroring = NULL != serve->mirror;
@@ -25,10 +26,13 @@ struct status * status_create( struct server * serve )
do{dprintf( fd, #var "=%s ", BOOL_S( status->var ) );}while(0)
#define PRINT_INT( var ) \
do{dprintf( fd, #var "=%d ", status->var );}while(0)
#define PRINT_UINT64( var ) \
do{dprintf( fd, #var "=%"PRIu64" ", status->var );}while(0)
int status_write( struct status * status, int fd )
{
PRINT_INT( pid );
PRINT_UINT64( size );
PRINT_BOOL( is_mirroring );
PRINT_BOOL( has_control );