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Red Hat Bugzilla – Attachment 147530 Details for
Bug 227610
READDIR on a NFSv4 directory containing a referral returns -EIO for entire directory
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[patch]
patch 2 - set and handle fattr_rdattr_error attribute
nfs4-fattr-err.patch (text/plain), 2.28 KB, created by
Jeff Layton
on 2007-02-07 02:00:28 UTC
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Description:
patch 2 - set and handle fattr_rdattr_error attribute
Filename:
MIME Type:
Creator:
Jeff Layton
Created:
2007-02-07 02:00:28 UTC
Size:
2.28 KB
patch
obsolete
>commit 97d312d037e63e7c8ac004ffe3072f82a6d45495 >Author: Manoj Naik <manoj@almaden.ibm.com> >Date: Wed Jun 22 17:16:39 2005 +0000 > > [PATCH] NFSv4: add support for rdattr_error in NFSv4 readdir requests. > > Request RDATTR_ERROR as an attribute in readdir to distinguish between a > directory being within an absent filesystem or one (or more) of its entries. > > Signed-off-by: Manoj Naik <manoj@almaden.ibm.com> > Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> > >diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c >index 325cd6d..4d655d2 100644 >--- a/fs/nfs/nfs4xdr.c >+++ b/fs/nfs/nfs4xdr.c >@@ -1014,6 +1014,10 @@ static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args) > static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req) > { > struct rpc_auth *auth = req->rq_task->tk_auth; >+ uint32_t attrs[2] = { >+ FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, >+ FATTR4_WORD1_MOUNTED_ON_FILEID, >+ }; > int replen; > uint32_t *p; > >@@ -1024,13 +1028,13 @@ static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg > WRITE32(readdir->count >> 1); /* We're not doing readdirplus */ > WRITE32(readdir->count); > WRITE32(2); >- if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) { >- WRITE32(0); >- WRITE32(FATTR4_WORD1_MOUNTED_ON_FILEID); >- } else { >- WRITE32(FATTR4_WORD0_FILEID); >- WRITE32(0); >- } >+ /* Switch to mounted_on_fileid if the server supports it */ >+ if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) >+ attrs[0] &= ~FATTR4_WORD0_FILEID; >+ else >+ attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; >+ WRITE32(attrs[0] & readdir->bitmask[0]); >+ WRITE32(attrs[1] & readdir->bitmask[1]); > > /* set up reply kvec > * toplevel_status + taglen + rescount + OP_PUTFH + status >@@ -4060,6 +4064,12 @@ uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus) > } > len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ > if (len > 0) { >+ if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { >+ bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; >+ /* Ignore the return value of rdattr_error for now */ >+ p++; >+ len--; >+ } > if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) > xdr_decode_hyper(p, &entry->ino); > else if (bitmap[0] == FATTR4_WORD0_FILEID)
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bug 227610
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