The patch titled
knfsd: nfsd4: simplify filehandle check
has been added to the -mm tree. Its filename is
knfsd-nfsd4-simplify-filehandle-check.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: knfsd: nfsd4: simplify filehandle check
From: J.Bruce Fields <bfields@xxxxxxxxxxxx>
Kill another big "if" clause.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/nfsd/nfs4proc.c | 29 ++++++++++++-----------------
1 files changed, 12 insertions(+), 17 deletions(-)
diff -puN fs/nfsd/nfs4proc.c~knfsd-nfsd4-simplify-filehandle-check fs/nfsd/nfs4proc.c
--- a/fs/nfsd/nfs4proc.c~knfsd-nfsd4-simplify-filehandle-check
+++ a/fs/nfsd/nfs4proc.c
@@ -802,8 +802,10 @@ typedef __be32(*nfsd4op_func)(struct svc
struct nfsd4_operation {
nfsd4op_func op_func;
u32 op_flags;
+/* Most ops require a valid current filehandle; a few don't: */
+#define ALLOWED_WITHOUT_FH 1
/* GETATTR and ops not listed as returning NFS4ERR_MOVED: */
-#define ALLOWED_ON_ABSENT_FS 1
+#define ALLOWED_ON_ABSENT_FS 2
};
static struct nfsd4_operation nfsd4_ops[];
@@ -874,18 +876,8 @@ nfsd4_proc_compound(struct svc_rqst *rqs
opdesc = &nfsd4_ops[op->opnum];
- /* All operations except RENEW, SETCLIENTID, RESTOREFH
- * SETCLIENTID_CONFIRM, PUTFH and PUTROOTFH
- * require a valid current filehandle
- */
if (!cstate->current_fh.fh_dentry) {
- if (!((op->opnum == OP_PUTFH) ||
- (op->opnum == OP_PUTROOTFH) ||
- (op->opnum == OP_SETCLIENTID) ||
- (op->opnum == OP_SETCLIENTID_CONFIRM) ||
- (op->opnum == OP_RENEW) ||
- (op->opnum == OP_RESTOREFH) ||
- (op->opnum == OP_RELEASE_LOCKOWNER))) {
+ if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) {
op->status = nfserr_nofilehandle;
goto encode_op;
}
@@ -981,14 +973,15 @@ static struct nfsd4_operation nfsd4_ops[
},
[OP_PUTFH] = {
.op_func = (nfsd4op_func)nfsd4_putfh,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
[OP_PUTPUBFH] = {
/* unsupported; just for future reference: */
- .op_flags = ALLOWED_ON_ABSENT_FS,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
[OP_PUTROOTFH] = {
.op_func = (nfsd4op_func)nfsd4_putrootfh,
- .op_flags = ALLOWED_ON_ABSENT_FS,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
[OP_READ] = {
.op_func = (nfsd4op_func)nfsd4_read,
@@ -1007,10 +1000,11 @@ static struct nfsd4_operation nfsd4_ops[
},
[OP_RENEW] = {
.op_func = (nfsd4op_func)nfsd4_renew,
- .op_flags = ALLOWED_ON_ABSENT_FS,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
[OP_RESTOREFH] = {
.op_func = (nfsd4op_func)nfsd4_restorefh,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
[OP_SAVEFH] = {
.op_func = (nfsd4op_func)nfsd4_savefh,
@@ -1020,10 +1014,11 @@ static struct nfsd4_operation nfsd4_ops[
},
[OP_SETCLIENTID] = {
.op_func = (nfsd4op_func)nfsd4_setclientid,
- .op_flags = ALLOWED_ON_ABSENT_FS,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
[OP_SETCLIENTID_CONFIRM] = {
.op_func = (nfsd4op_func)nfsd4_setclientid_confirm,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
[OP_VERIFY] = {
.op_func = (nfsd4op_func)nfsd4_verify,
@@ -1033,7 +1028,7 @@ static struct nfsd4_operation nfsd4_ops[
},
[OP_RELEASE_LOCKOWNER] = {
.op_func = (nfsd4op_func)nfsd4_release_lockowner,
- .op_flags = ALLOWED_ON_ABSENT_FS,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
},
};
_
Patches currently in -mm which might be from bfields@xxxxxxxxxxxx are
origin.patch
knfsd-nfsd4-remove-a-dprink-from-nfsd4_lock.patch
knfsd-svcrpc-fix-gss-krb5i-memory-leak.patch
knfsd-nfsd4-clarify-units-of-compound_slack_space.patch
knfsd-nfsd-make-exp_rootfh-handle-exp_parent-errors.patch
knfsd-nfsd-simplify-exp_pseudoroot.patch
knfsd-nfsd4-handling-more-nfsd_cross_mnt-errors-in-nfsd4-readdir.patch
knfsd-nfsd-dont-drop-silently-on-upcall-deferral.patch
knfsd-svcrpc-remove-another-silent-drop-from-deferral-code.patch
knfsd-nfsd4-pass-saved-and-current-fh-together-into-nfsd4-operations.patch
knfsd-nfsd4-remove-spurious-replay_owner-check.patch
knfsd-nfsd4-move-replay_owner-to-cstate.patch
knfsd-nfsd4-dont-inline-nfsd4-compound-op-functions.patch
knfsd-nfsd4-make-verify-and-nverify-wrappers.patch
knfsd-nfsd4-reorganize-compound-ops.patch
knfsd-nfsd4-simplify-migration-op-check.patch
knfsd-nfsd4-simplify-filehandle-check.patch
-
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