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Merge branch 'pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Browse source 
* 'pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  pstore: make pstore write function return normal success/fail value
  pstore: change mutex locking to spin_locks
  pstore: defer inserting OOPS entries into pstore
This commit is contained in:
Linus Torvalds 2011-11-01 10:52:29 -07:00
commit 1c39865151
6 changed files with 129 additions and 43 deletions
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19
drivers/firmware/efivars.c
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@ -490,8 +490,8 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
return 0;
}
static u64 efi_pstore_write(enum pstore_type_id type, unsigned int part,
size_t size, struct pstore_info *psi)
static int efi_pstore_write(enum pstore_type_id type, u64 *id,
unsigned int part, size_t size, struct pstore_info *psi)
{
char name[DUMP_NAME_LEN];
char stub_name[DUMP_NAME_LEN];
@ -499,7 +499,7 @@ static u64 efi_pstore_write(enum pstore_type_id type, unsigned int part,
efi_guid_t vendor = LINUX_EFI_CRASH_GUID;
struct efivars *efivars = psi->data;
struct efivar_entry *entry, *found = NULL;
int i;
int i, ret = 0;
sprintf(stub_name, "dump-type%u-%u-", type, part);
sprintf(name, "%s%lu", stub_name, get_seconds());
@ -548,18 +548,19 @@ static u64 efi_pstore_write(enum pstore_type_id type, unsigned int part,
efivar_unregister(found);
if (size)
efivar_create_sysfs_entry(efivars,
ret = efivar_create_sysfs_entry(efivars,
utf16_strsize(efi_name,
DUMP_NAME_LEN * 2),
efi_name, &vendor);
return part;
*id = part;
return ret;
};
static int efi_pstore_erase(enum pstore_type_id type, u64 id,
struct pstore_info *psi)
{
efi_pstore_write(type, id, 0, psi);
efi_pstore_write(type, &id, (unsigned int)id, 0, psi);
return 0;
}
@ -580,8 +581,8 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
return -1;
}
static u64 efi_pstore_write(enum pstore_type_id type, unsigned int part,
size_t size, struct pstore_info *psi)
static int efi_pstore_write(enum pstore_type_id type, u64 *id,
unsigned int part, size_t size, struct pstore_info *psi)
{
return 0;
}
@ -978,7 +979,7 @@ int register_efivars(struct efivars *efivars,
if (efivars->efi_pstore_info.buf) {
efivars->efi_pstore_info.bufsize = 1024;
efivars->efi_pstore_info.data = efivars;
mutex_init(&efivars->efi_pstore_info.buf_mutex);
spin_lock_init(&efivars->efi_pstore_info.buf_lock);
pstore_register(&efivars->efi_pstore_info);
}