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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-05-13 20:51:02 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-05-14 23:09:33 +0400
commit1f4c86c0be9064ab4eebd9e67c84606c1cfeec4b (patch)
tree6ae9e8e6550f644335bbf6812edd7e6cfcde7e53 /include/linux/sunrpc
parent8535b2be5181fc3019e4150567ef53210fe3b04f (diff)
downloadlinux-1f4c86c0be9064ab4eebd9e67c84606c1cfeec4b.tar.xz
NFS: Don't use GFP_KERNEL in rpcsec_gss downcalls
Again, we can deadlock if the memory reclaim triggers a writeback that requires a rpcsec_gss credential lookup. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/gss_api.h6
-rw-r--r--include/linux/sunrpc/gss_krb5.h3
2 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index b22d7f189ceb..5d8048beb051 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -35,7 +35,8 @@ int gss_import_sec_context(
const void* input_token,
size_t bufsize,
struct gss_api_mech *mech,
- struct gss_ctx **ctx_id);
+ struct gss_ctx **ctx_id,
+ gfp_t gfp_mask);
u32 gss_get_mic(
struct gss_ctx *ctx_id,
struct xdr_buf *message,
@@ -89,7 +90,8 @@ struct gss_api_ops {
int (*gss_import_sec_context)(
const void *input_token,
size_t bufsize,
- struct gss_ctx *ctx_id);
+ struct gss_ctx *ctx_id,
+ gfp_t gfp_mask);
u32 (*gss_get_mic)(
struct gss_ctx *ctx_id,
struct xdr_buf *message,
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index 5e774a5abf2c..5af2931cf58d 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -295,7 +295,8 @@ u32
krb5_derive_key(const struct gss_krb5_enctype *gk5e,
const struct xdr_netobj *inkey,
struct xdr_netobj *outkey,
- const struct xdr_netobj *in_constant);
+ const struct xdr_netobj *in_constant,
+ gfp_t gfp_mask);
u32
gss_krb5_des3_make_key(const struct gss_krb5_enctype *gk5e,