From a16e92edcd0a2846455a30823e1bac964e743baa Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Fri, 28 Sep 2007 16:45:51 -0400 Subject: [PATCH] knfsd: query filesystem for NFSv4 getattr of FATTR4_MAXNAME Without this we always return 2^32-1 as the the maximum namelength. Thanks to Andreas Gruenbacher for bug report and testing. Signed-off-by: J. Bruce Fields Cc: Andreas Gruenbacher --- fs/nfsd/nfs4xdr.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 9cf900740c76..e15f2cf8ac15 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1475,7 +1475,8 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, err = vfs_getattr(exp->ex_mnt, dentry, &stat); if (err) goto out_nfserr; - if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL)) || + if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL | + FATTR4_WORD0_MAXNAME)) || (bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL))) { err = vfs_statfs(dentry, &statfs); @@ -1721,7 +1722,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, if (bmval0 & FATTR4_WORD0_MAXNAME) { if ((buflen -= 4) < 0) goto out_resource; - WRITE32(~(u32) 0); + WRITE32(statfs.f_namelen); } if (bmval0 & FATTR4_WORD0_MAXREAD) { if ((buflen -= 8) < 0) -- GitLab