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nfsd4: replace defer_free by svcxdr_tmpalloc

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Avoid an extra allocation for the tmpbuf struct itself, and stop
ignoring some allocation failures.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields
2014-06-24 17:43:45 -04:00
parent bcaab953b1
commit d5e2338324
2 changed files with 26 additions and 33 deletions
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13
fs/nfsd/xdr4.h
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@@ -478,6 +478,14 @@ struct nfsd4_op {
bool nfsd4_cache_this_op(struct nfsd4_op *);
/*
* Memory needed just for the duration of processing one compound:
*/
struct svcxdr_tmpbuf {
struct svcxdr_tmpbuf *next;
char buf[];
};
struct nfsd4_compoundargs {
/* scratch variables for XDR decode */
__be32 * p;
@@ -486,10 +494,7 @@ struct nfsd4_compoundargs {
int pagelen;
__be32 tmp[8];
__be32 * tmpp;
struct tmpbuf {
struct tmpbuf *next;
void *buf;
} *to_free;
struct svcxdr_tmpbuf *to_free;
struct svc_rqst *rqstp;