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| author |  Linus Torvalds <torvalds@linux-foundation.org>
| 2023-03-21 14:48:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org>
| 2023-03-21 14:48:38 -0700 |
| commit | a2eaf246f5732519f3dcc34e18fd41909e226284 (patch) | |
| tree | d8d3e98dac017bec6e43a09134bdb7739d566ac5 /fs/nfsd/vfs.c | |
| parent | Merge tag 'keys-fixes-20230321' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| parent | nfsd: don't replace page in rq_pages if it's a continuation of last page (diff) | |
| download | linux-a2eaf246f5732519f3dcc34e18fd41909e226284.tar.gz linux-a2eaf246f5732519f3dcc34e18fd41909e226284.tar.bz2 linux-a2eaf246f5732519f3dcc34e18fd41909e226284.zip | |
Merge tag 'nfsd-6.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Fix a crash during NFS READs from certain client implementations
- Address a minor kbuild regression in v6.3
* tag 'nfsd-6.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: don't replace page in rq_pages if it's a continuation of last page
NFS & NFSD: Update GSS dependencies
Diffstat (limited to 'fs/nfsd/vfs.c')
| -rw-r--r-- | fs/nfsd/vfs.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 502e1b7742db..5783209f17fc 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -941,8 +941,15 @@ nfsd_splice_actor(struct pipe_inode_info *pipe, struct pipe_buffer *buf, struct page *last_page; last_page = page + (offset + sd->len - 1) / PAGE_SIZE; - for (page += offset / PAGE_SIZE; page <= last_page; page++) + for (page += offset / PAGE_SIZE; page <= last_page; page++) { + /* + * Skip page replacement when extending the contents + * of the current page. + */ + if (page == *(rqstp->rq_next_page - 1)) + continue; svc_rqst_replace_page(rqstp, page); + } if (rqstp->rq_res.page_len == 0) // first call rqstp->rq_res.page_base = offset % PAGE_SIZE; rqstp->rq_res.page_len += sd->len; |