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NFS/localio: Deal with page bases that are > PAGE_SIZE

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When resending requests, etc, the page base can quickly grow larger than
the page size.

Fixes: 091bdcfcec ("nfs/localio: refactor iocb and iov_iter_bvec initialization")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Trond Myklebust 2026-01-02 18:55:08 -05:00
parent 001945a777
commit 60699ab7cb
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/localio.c
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@ -461,6 +461,8 @@ nfs_local_iters_init(struct nfs_local_kiocb *iocb, int rw)
v = 0;
total = hdr->args.count;
base = hdr->args.pgbase;
pagevec += base >> PAGE_SHIFT;
base &= ~PAGE_MASK;
while (total && v < hdr->page_array.npages) {
len = min_t(size_t, total, PAGE_SIZE - base);
bvec_set_page(&iocb->bvec[v], *pagevec, len, base);