diff options
| author | Luck, Tony <tony.luck@intel.com> | 2013-12-18 15:17:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-20 13:12:01 -0800 |
| commit | df36ac1bc2a166eef90785d584e4cfed6f52bd32 (patch) | |
| tree | 024eb6ee8e997889d9cd31ed97503a158ebf898b /drivers | |
| parent | eaadcfeb31e959028dfa2cc48741e126e3e15b28 (diff) | |
| download | linux-df36ac1bc2a166eef90785d584e4cfed6f52bd32.tar.gz linux-df36ac1bc2a166eef90785d584e4cfed6f52bd32.tar.bz2 linux-df36ac1bc2a166eef90785d584e4cfed6f52bd32.zip | |
pstore: Don't allow high traffic options on fragile devices
Some pstore backing devices use on board flash as persistent
storage. These have limited numbers of write cycles so it
is a poor idea to use them from high frequency operations.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/apei/erst.c | 1 | ||||
| -rw-r--r-- | drivers/firmware/efi/efi-pstore.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index 26311f23c824..cb1d557fc22c 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -942,6 +942,7 @@ static int erst_clearer(enum pstore_type_id type, u64 id, int count, static struct pstore_info erst_info = { .owner = THIS_MODULE, .name = "erst", + .flags = PSTORE_FLAGS_FRAGILE, .open = erst_open_pstore, .close = erst_close_pstore, .read = erst_reader, diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index 743fd426f21b..4b9dc836dcf9 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -356,6 +356,7 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, static struct pstore_info efi_pstore_info = { .owner = THIS_MODULE, .name = "efi", + .flags = PSTORE_FLAGS_FRAGILE, .open = efi_pstore_open, .close = efi_pstore_close, .read = efi_pstore_read, |