diff options
Diffstat (limited to 'fs/pstore/ram.c')
| -rw-r--r-- | fs/pstore/ram.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 08597c524439..f3e3cf00d8b9 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -331,6 +331,24 @@ static int notrace ramoops_pstore_write_buf(enum pstore_type_id type, return 0; } +static int notrace ramoops_pstore_write_buf_user(enum pstore_type_id type, + enum kmsg_dump_reason reason, + u64 *id, unsigned int part, + const char __user *buf, + bool compressed, size_t size, + struct pstore_info *psi) +{ + if (type == PSTORE_TYPE_PMSG) { + struct ramoops_context *cxt = psi->data; + + if (!cxt->mprz) + return -ENOMEM; + return persistent_ram_write_user(cxt->mprz, buf, size); + } + + return -EINVAL; +} + static int ramoops_pstore_erase(enum pstore_type_id type, u64 id, int count, struct timespec time, struct pstore_info *psi) { @@ -369,6 +387,7 @@ static struct ramoops_context oops_cxt = { .open = ramoops_pstore_open, .read = ramoops_pstore_read, .write_buf = ramoops_pstore_write_buf, + .write_buf_user = ramoops_pstore_write_buf_user, .erase = ramoops_pstore_erase, }, }; |