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Add regression test for multi parity

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This commit is contained in:
Andrea Mazzoleni 2016-05-16 22:55:19 +02:00
parent 0fba4722c0
commit bec310d50b
18 changed files with 91 additions and 65 deletions
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16
cmdline/parity.c
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@ -23,6 +23,12 @@
#include "parity.h"
#include "handle.h"
/**
* Pseudo random limits for parity
*/
#define PARITY_LIMIT(size,split,level) \
size ? size + (123562341 + split * 634542351 + level * 983491341) % size : 0
/****************************************************************************/
/* parity */
@ -178,7 +184,7 @@ void parity_size(struct snapraid_parity_handle* handle, data_off_t* out_size)
*out_size = size;
}
int parity_create(struct snapraid_parity_handle* handle, const struct snapraid_parity* parity, unsigned level, int mode)
int parity_create(struct snapraid_parity_handle* handle, const struct snapraid_parity* parity, unsigned level, int mode, uint64_t limit_size)
{
unsigned s;
@ -194,6 +200,7 @@ int parity_create(struct snapraid_parity_handle* handle, const struct snapraid_p
pathcpy(split->path, sizeof(split->path), parity->split_map[s].path);
split->f = -1;
split->size = parity->split_map[s].size;
split->limit_size = PARITY_LIMIT(limit_size, s, level);
++handle->split_mac;
/* opening in sequential mode in Windows */
@ -248,6 +255,10 @@ static int parity_handle_grow(struct snapraid_split_handle* split, data_off_t si
{
int ret;
/* simulate a failure for testing limits */
if (split->limit_size != 0 && size > (data_off_t)split->limit_size)
return -1;
#if HAVE_FALLOCATE
if (!skip_fallocate) {
/*
@ -500,7 +511,7 @@ int parity_chsize(struct snapraid_parity_handle* handle, struct snapraid_parity*
return 0;
}
int parity_open(struct snapraid_parity_handle* handle, const struct snapraid_parity* parity, unsigned level, int mode)
int parity_open(struct snapraid_parity_handle* handle, const struct snapraid_parity* parity, unsigned level, int mode, uint64_t limit_size)
{
unsigned s;
@ -516,6 +527,7 @@ int parity_open(struct snapraid_parity_handle* handle, const struct snapraid_par
pathcpy(split->path, sizeof(split->path), parity->split_map[s].path);
split->f = -1;
split->size = parity->split_map[s].size;
split->limit_size = PARITY_LIMIT(limit_size, s, level);
++handle->split_mac;
/* open for read */