diff options
Diffstat (limited to 'fs/nfsd/nfs4proc.c')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 896da74ec563..b08f6e50fc48 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -39,6 +39,7 @@ #include "cache.h" #include "xdr4.h" #include "vfs.h" +#include "current_stateid.h" #define NFSDDBG_FACILITY NFSDDBG_PROC @@ -1000,6 +1001,8 @@ static inline void nfsd4_increment_op_stats(u32 opnum) typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, void *); typedef u32(*nfsd4op_rsize)(struct svc_rqst *, struct nfsd4_op *op); +typedef void(*stateid_setter)(struct nfsd4_compound_state *, void *); +typedef void(*stateid_getter)(struct nfsd4_compound_state *, void *); enum nfsd4_op_flags { ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */ @@ -1025,6 +1028,10 @@ enum nfsd4_op_flags { * the v4.0 case). */ OP_CACHEME = 1 << 6, + /* + * These are ops which clear current state id. + */ + OP_CLEAR_STATEID = 1 << 7, }; struct nfsd4_operation { @@ -1033,6 +1040,8 @@ struct nfsd4_operation { char *op_name; /* Try to get response size before operation */ nfsd4op_rsize op_rsize_bop; + stateid_setter op_get_currentstateid; + stateid_getter op_set_currentstateid; }; static struct nfsd4_operation nfsd4_ops[]; @@ -1215,13 +1224,23 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, if (op->status) goto encode_op; - if (opdesc->op_func) + if (opdesc->op_func) { + if (opdesc->op_get_currentstateid) + opdesc->op_get_currentstateid(cstate, &op->u); op->status = opdesc->op_func(rqstp, cstate, &op->u); - else + } else BUG_ON(op->status == nfs_ok); - if (!op->status && need_wrongsec_check(rqstp)) - op->status = check_nfsd_access(cstate->current_fh.fh_export, rqstp); + if (!op->status) { + if (opdesc->op_set_currentstateid) + opdesc->op_set_currentstateid(cstate, &op->u); + + if (opdesc->op_flags & OP_CLEAR_STATEID) + cstate->current_stateid = NULL; + + if (need_wrongsec_check(rqstp)) + op->status = check_nfsd_access(cstate->current_fh.fh_export, rqstp); + } encode_op: /* Only from SEQUENCE */ @@ -1413,6 +1432,8 @@ static struct nfsd4_operation nfsd4_ops[] = { .op_flags = OP_MODIFIES_SOMETHING, .op_name = "OP_CLOSE", .op_rsize_bop = (nfsd4op_rsize)nfsd4_status_stateid_rsize, + .op_get_currentstateid = (stateid_getter)nfsd4_get_closestateid, + .op_set_currentstateid = (stateid_setter)nfsd4_set_closestateid, }, [OP_COMMIT] = { .op_func = (nfsd4op_func)nfsd4_commit, @@ -1483,6 +1504,7 @@ static struct nfsd4_operation nfsd4_ops[] = { .op_flags = OP_HANDLES_WRONGSEC | OP_MODIFIES_SOMETHING, .op_name = "OP_OPEN", .op_rsize_bop = (nfsd4op_rsize)nfsd4_open_rsize, + .op_set_currentstateid = (stateid_setter)nfsd4_set_openstateid, }, [OP_OPEN_CONFIRM] = { .op_func = (nfsd4op_func)nfsd4_open_confirm, |