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NFSD: Use rqstp->rq_bvec in nfsd_iter_write()

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If we can get rid of all uses of rq_vec, then it can be removed.
Replace one use of rqstp::rq_vec with rqstp::rq_bvec.

The feeling of layering violation grows stronger now that
<linux/sunrpc/xdr.h> is included in fs/nfsd/vfs.c.

Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2025-05-06 16:42:25 -04:00
parent 62bf165c04
commit 1969823caf
1 changed files with 3 additions and 2 deletions
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5
fs/nfsd/vfs.c
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@ -31,6 +31,7 @@
#include <linux/exportfs.h>
#include <linux/writeback.h>
#include <linux/security.h>
#include <linux/sunrpc/xdr.h>
#include "xdr3.h"
@ -1206,8 +1207,8 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp,
if (stable && !fhp->fh_use_wgather)
flags |= RWF_SYNC;
nvecs = svc_fill_write_vector(rqstp, payload);
iov_iter_kvec(&iter, ITER_SOURCE, rqstp->rq_vec, nvecs, *cnt);
nvecs = xdr_buf_to_bvec(rqstp->rq_bvec, rqstp->rq_maxpages, payload);
iov_iter_bvec(&iter, ITER_SOURCE, rqstp->rq_bvec, nvecs, *cnt);
since = READ_ONCE(file->f_wb_err);
if (verf)
nfsd_copy_write_verifier(verf, nn);