Don't use pstore.buf directly, instead convert the code to write_buf callback which passes a pointer to a buffer as an argument.
Signed-off-by: Anton Vorontsov anton.vorontsov@linaro.org --- fs/pstore/ram.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 78ecefc..ee58344 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -168,11 +168,12 @@ static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz) return len; }
-static int ramoops_pstore_write(enum pstore_type_id type, - enum kmsg_dump_reason reason, - u64 *id, - unsigned int part, - size_t size, struct pstore_info *psi) + +static int ramoops_pstore_write_buf(enum pstore_type_id type, + enum kmsg_dump_reason reason, + u64 *id, unsigned int part, + const char *buf, size_t size, + struct pstore_info *psi) { struct ramoops_context *cxt = psi->data; struct persistent_ram_zone *prz = cxt->przs[cxt->dump_write_cnt]; @@ -181,7 +182,7 @@ static int ramoops_pstore_write(enum pstore_type_id type, if (type == PSTORE_TYPE_CONSOLE) { if (!cxt->cprz) return -ENOMEM; - persistent_ram_write(cxt->cprz, cxt->pstore.buf, size); + persistent_ram_write(cxt->cprz, buf, size); return 0; }
@@ -210,7 +211,7 @@ static int ramoops_pstore_write(enum pstore_type_id type, hlen = ramoops_write_kmsg_hdr(prz); if (size + hlen > prz->buffer_size) size = prz->buffer_size - hlen; - persistent_ram_write(prz, cxt->pstore.buf, size); + persistent_ram_write(prz, buf, size);
cxt->dump_write_cnt = (cxt->dump_write_cnt + 1) % cxt->max_dump_cnt;
@@ -248,7 +249,7 @@ static struct ramoops_context oops_cxt = { .name = "ramoops", .open = ramoops_pstore_open, .read = ramoops_pstore_read, - .write = ramoops_pstore_write, + .write_buf = ramoops_pstore_write_buf, .erase = ramoops_pstore_erase, }, };