Re: [PATCH 31/34] nfs: convert put_page() to put_user_page*()
From: Calum Mackay <hidden>
Date: 2019-08-04 23:29:57
Also in:
amd-gfx, ceph-devel, dri-devel, intel-gfx, kvm, linux-arm-kernel, linux-block, linux-crypto, linux-fbdev, linux-fsdevel, linux-media, linux-mm, linux-nfs, linux-rdma, linux-xfs, lkml, sparclinux, xen-devel
On 03/08/2019 2:41 am, John Hubbard wrote:
On 8/2/19 6:27 PM, Calum Mackay wrote:quoted
On 02/08/2019 3:20 am, john.hubbard@gmail.com wrote:...quoted
Since it's static, and only called twice, might it be better to change its two callers [nfs_direct_{read,write}_schedule_iovec()] to call put_user_pages() directly, and remove nfs_direct_release_pages() entirely? thanks, calum.quoted
void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo,Hi Calum, Absolutely! Is it OK to add your reviewed-by, with the following incremental patch made to this one?
Thanks John; looks good. Reviewed-by: Calum Mackay <redacted>
quoted hunk ↗ jump to hunk
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index b00b89dda3c5..c0c1b9f2c069 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c@@ -276,11 +276,6 @@ ssize_t nfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) return nfs_file_direct_write(iocb, iter); } -static void nfs_direct_release_pages(struct page **pages, unsigned int npages) -{ - put_user_pages(pages, npages); -} - void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo, struct nfs_direct_req *dreq) {@@ -510,7 +505,7 @@ static ssize_t nfs_direct_read_schedule_iovec(struct nfs_direct_req *dreq, pos += req_len; dreq->bytes_left -= req_len; } - nfs_direct_release_pages(pagevec, npages); + put_user_pages(pagevec, npages); kvfree(pagevec); if (result < 0) break;@@ -933,7 +928,7 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq, pos += req_len; dreq->bytes_left -= req_len; } - nfs_direct_release_pages(pagevec, npages); + put_user_pages(pagevec, npages); kvfree(pagevec); if (result < 0) break;thanks,