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yaml
---
r: 317332
b: refs/heads/master
c: cac2eb7
h: refs/heads/master
v: v3
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Anton Vorontsov authored and Greg Kroah-Hartman committed Jun 13, 2012
1 parent c7b9a50 commit 4263aa2
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Showing 2 changed files with 18 additions and 18 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f29e5956aebafe63f81e80f972c44c4a666e5c7f
refs/heads/master: cac2eb7b580c95e3871a71276c99e2bd751a1624
34 changes: 17 additions & 17 deletions trunk/fs/pstore/ram.c
Original file line number Diff line number Diff line change
Expand Up @@ -68,9 +68,9 @@ struct ramoops_context {
size_t record_size;
int dump_oops;
bool ecc;
unsigned int count;
unsigned int max_count;
unsigned int read_count;
unsigned int max_dump_cnt;
unsigned int dump_write_cnt;
unsigned int dump_read_cnt;
struct pstore_info pstore;
};

Expand All @@ -81,7 +81,7 @@ static int ramoops_pstore_open(struct pstore_info *psi)
{
struct ramoops_context *cxt = psi->data;

cxt->read_count = 0;
cxt->dump_read_cnt = 0;
return 0;
}

Expand All @@ -94,10 +94,10 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
struct ramoops_context *cxt = psi->data;
struct persistent_ram_zone *prz;

if (cxt->read_count >= cxt->max_count)
if (cxt->dump_read_cnt >= cxt->max_dump_cnt)
return -EINVAL;

*id = cxt->read_count++;
*id = cxt->dump_read_cnt++;
prz = cxt->przs[*id];

/* Only supports dmesg output so far. */
Expand Down Expand Up @@ -141,7 +141,7 @@ static int ramoops_pstore_write(enum pstore_type_id type,
size_t size, struct pstore_info *psi)
{
struct ramoops_context *cxt = psi->data;
struct persistent_ram_zone *prz = cxt->przs[cxt->count];
struct persistent_ram_zone *prz = cxt->przs[cxt->dump_write_cnt];
size_t hlen;

/* Currently ramoops is designed to only store dmesg dumps. */
Expand Down Expand Up @@ -172,7 +172,7 @@ static int ramoops_pstore_write(enum pstore_type_id type,
size = prz->buffer_size - hlen;
persistent_ram_write(prz, cxt->pstore.buf, size);

cxt->count = (cxt->count + 1) % cxt->max_count;
cxt->dump_write_cnt = (cxt->dump_write_cnt + 1) % cxt->max_dump_cnt;

return 0;
}
Expand All @@ -182,7 +182,7 @@ static int ramoops_pstore_erase(enum pstore_type_id type, u64 id,
{
struct ramoops_context *cxt = psi->data;

if (id >= cxt->max_count)
if (id >= cxt->max_dump_cnt)
return -EINVAL;

persistent_ram_free_old(cxt->przs[id]);
Expand Down Expand Up @@ -213,7 +213,7 @@ static int __init ramoops_probe(struct platform_device *pdev)
/* Only a single ramoops area allowed at a time, so fail extra
* probes.
*/
if (cxt->max_count)
if (cxt->max_dump_cnt)
goto fail_out;

if (!pdata->mem_size || !pdata->record_size) {
Expand All @@ -239,22 +239,22 @@ static int __init ramoops_probe(struct platform_device *pdev)
goto fail_out;
}

cxt->max_count = pdata->mem_size / pdata->record_size;
cxt->count = 0;
cxt->max_dump_cnt = pdata->mem_size / pdata->record_size;
cxt->dump_read_cnt = 0;
cxt->size = pdata->mem_size;
cxt->phys_addr = pdata->mem_address;
cxt->record_size = pdata->record_size;
cxt->dump_oops = pdata->dump_oops;
cxt->ecc = pdata->ecc;

cxt->przs = kzalloc(sizeof(*cxt->przs) * cxt->max_count, GFP_KERNEL);
cxt->przs = kzalloc(sizeof(*cxt->przs) * cxt->max_dump_cnt, GFP_KERNEL);
if (!cxt->przs) {
err = -ENOMEM;
dev_err(dev, "failed to initialize a prz array\n");
goto fail_out;
}

for (i = 0; i < cxt->max_count; i++) {
for (i = 0; i < cxt->max_dump_cnt; i++) {
size_t sz = cxt->record_size;
phys_addr_t start = cxt->phys_addr + sz * i;

Expand Down Expand Up @@ -293,7 +293,7 @@ static int __init ramoops_probe(struct platform_device *pdev)

pr_info("attached 0x%lx@0x%llx (%ux0x%zx), ecc: %s\n",
cxt->size, (unsigned long long)cxt->phys_addr,
cxt->max_count, cxt->record_size,
cxt->max_dump_cnt, cxt->record_size,
ramoops_ecc ? "on" : "off");

return 0;
Expand All @@ -302,7 +302,7 @@ static int __init ramoops_probe(struct platform_device *pdev)
kfree(cxt->pstore.buf);
fail_clear:
cxt->pstore.bufsize = 0;
cxt->max_count = 0;
cxt->max_dump_cnt = 0;
fail_przs:
for (i = 0; cxt->przs[i]; i++)
persistent_ram_free(cxt->przs[i]);
Expand All @@ -321,7 +321,7 @@ static int __exit ramoops_remove(struct platform_device *pdev)

iounmap(cxt->virt_addr);
release_mem_region(cxt->phys_addr, cxt->size);
cxt->max_count = 0;
cxt->max_dump_cnt = 0;

/* TODO(kees): When pstore supports unregistering, call it here. */
kfree(cxt->pstore.buf);
Expand Down

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