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author | rmacklem <rmacklem@FreeBSD.org> | 2014-05-06 21:54:52 +0000 |
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committer | rmacklem <rmacklem@FreeBSD.org> | 2014-05-06 21:54:52 +0000 |
commit | bb012fd7792d72edfd3c22511db621167dfb7642 (patch) | |
tree | db9257b36ae12f2f96d3a297a11b49e64e701e48 | |
parent | 5809be0d871c26c91c40ed9a467bc81e8560ddaf (diff) | |
download | FreeBSD-src-bb012fd7792d72edfd3c22511db621167dfb7642.zip FreeBSD-src-bb012fd7792d72edfd3c22511db621167dfb7642.tar.gz |
MFC: r264705, r264749
Modify the NFSv4 client create/mkdir RPC so that it acquires
post-create/mkdir directory attributes. This allows the RPC to
name cache the newly created directory and reduces the lookup RPC
count for applications creating a lot of directories.
-rw-r--r-- | sys/fs/nfsclient/nfs_clcomsubs.c | 2 | ||||
-rw-r--r-- | sys/fs/nfsclient/nfs_clrpcops.c | 16 |
2 files changed, 17 insertions, 1 deletions
diff --git a/sys/fs/nfsclient/nfs_clcomsubs.c b/sys/fs/nfsclient/nfs_clcomsubs.c index db4f173..1fc7d1b 100644 --- a/sys/fs/nfsclient/nfs_clcomsubs.c +++ b/sys/fs/nfsclient/nfs_clcomsubs.c @@ -67,7 +67,7 @@ static struct { { NFSV4OP_READ, 1, "Read", 4, }, { NFSV4OP_WRITE, 2, "Write", 5, }, { NFSV4OP_OPEN, 5, "Open", 4, }, - { NFSV4OP_CREATE, 3, "Create", 6, }, + { NFSV4OP_CREATE, 5, "Create", 6, }, { NFSV4OP_CREATE, 1, "Create", 6, }, { NFSV4OP_CREATE, 3, "Create", 6, }, { NFSV4OP_REMOVE, 1, "Remove", 6, }, diff --git a/sys/fs/nfsclient/nfs_clrpcops.c b/sys/fs/nfsclient/nfs_clrpcops.c index a691531..e1bfa29 100644 --- a/sys/fs/nfsclient/nfs_clrpcops.c +++ b/sys/fs/nfsclient/nfs_clrpcops.c @@ -2545,10 +2545,12 @@ nfsrpc_mkdir(vnode_t dvp, char *name, int namelen, struct vattr *vap, struct nfsrv_descript nfsd, *nd = &nfsd; nfsattrbit_t attrbits; int error = 0; + struct nfsfh *fhp; *nfhpp = NULL; *attrflagp = 0; *dattrflagp = 0; + fhp = VTONFS(dvp)->n_fhp; if (namelen > NFS_MAXNAMLEN) return (ENAMETOOLONG); NFSCL_REQSTART(nd, NFSPROC_MKDIR, dvp); @@ -2564,6 +2566,12 @@ nfsrpc_mkdir(vnode_t dvp, char *name, int namelen, struct vattr *vap, *tl++ = txdr_unsigned(NFSV4OP_GETFH); *tl = txdr_unsigned(NFSV4OP_GETATTR); (void) nfsrv_putattrbit(nd, &attrbits); + NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_PUTFH); + (void) nfsm_fhtom(nd, fhp->nfh_fh, fhp->nfh_len, 0); + NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_GETATTR); + (void) nfsrv_putattrbit(nd, &attrbits); } error = nfscl_request(nd, dvp, p, cred, dstuff); if (error) @@ -2577,6 +2585,14 @@ nfsrpc_mkdir(vnode_t dvp, char *name, int namelen, struct vattr *vap, } if (!error) error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp); + if (error == 0 && (nd->nd_flag & ND_NFSV4) != 0) { + /* Get rid of the PutFH and Getattr status values. */ + NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED); + /* Load the directory attributes. */ + error = nfsm_loadattr(nd, dnap); + if (error == 0) + *dattrflagp = 1; + } } if ((nd->nd_flag & ND_NFSV3) && !error) error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff); |