diff options
author | Luck, Tony <tony.luck@intel.com> | 2013-12-18 23:17:10 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-20 21:12:01 (GMT) |
commit | df36ac1bc2a166eef90785d584e4cfed6f52bd32 (patch) | |
tree | 024eb6ee8e997889d9cd31ed97503a158ebf898b /fs | |
parent | eaadcfeb31e959028dfa2cc48741e126e3e15b28 (diff) | |
download | linux-df36ac1bc2a166eef90785d584e4cfed6f52bd32.tar.xz |
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 'fs')
-rw-r--r-- | fs/pstore/platform.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index b8e93a4..78c3c20 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -443,8 +443,11 @@ int pstore_register(struct pstore_info *psi) pstore_get_records(0); kmsg_dump_register(&pstore_dumper); - pstore_register_console(); - pstore_register_ftrace(); + + if ((psi->flags & PSTORE_FLAGS_FRAGILE) == 0) { + pstore_register_console(); + pstore_register_ftrace(); + } if (pstore_update_ms >= 0) { pstore_timer.expires = jiffies + |