[PATCH 13/23] cifs: use bvec_set_page to initialize bvecs
From: Christoph Hellwig <hch@lst.de>
Date: 2023-02-03 15:08:29
Also in:
ceph-devel, io-uring, kvm, linux-block, linux-cifs, linux-fsdevel, linux-mm, linux-nfs, linux-nvme, linux-scsi, netdev, target-devel
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
Use the bvec_set_page helper to initialize bvecs. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Paulo Alcantara (SUSE) <redacted> --- fs/cifs/connect.c | 5 +++-- fs/cifs/fscache.c | 16 ++++++---------- fs/cifs/misc.c | 5 ++--- fs/cifs/smb2ops.c | 6 +++--- 4 files changed, 14 insertions(+), 18 deletions(-)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index b2a04b4e89a5e7..e6088d96eb04d2 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c@@ -759,8 +759,9 @@ cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page, unsigned int page_offset, unsigned int to_read) { struct msghdr smb_msg = {}; - struct bio_vec bv = { - .bv_page = page, .bv_len = to_read, .bv_offset = page_offset}; + struct bio_vec bv; + + bvec_set_page(&bv, page, to_read, page_offset); iov_iter_bvec(&smb_msg.msg_iter, ITER_DEST, &bv, 1, to_read); return cifs_readv_from_socket(server, &smb_msg); }
diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c
index f6f3a6b75601be..0911327ebfdeb4 100644
--- a/fs/cifs/fscache.c
+++ b/fs/cifs/fscache.c@@ -143,14 +143,12 @@ static int fscache_fallback_read_page(struct inode *inode, struct page *page) struct netfs_cache_resources cres; struct fscache_cookie *cookie = cifs_inode_cookie(inode); struct iov_iter iter; - struct bio_vec bvec[1]; + struct bio_vec bvec; int ret; memset(&cres, 0, sizeof(cres)); - bvec[0].bv_page = page; - bvec[0].bv_offset = 0; - bvec[0].bv_len = PAGE_SIZE; - iov_iter_bvec(&iter, ITER_DEST, bvec, ARRAY_SIZE(bvec), PAGE_SIZE); + bvec_set_page(&bvec, page, PAGE_SIZE, 0); + iov_iter_bvec(&iter, ITER_DEST, &bvec, 1, PAGE_SIZE); ret = fscache_begin_read_operation(&cres, cookie); if (ret < 0)
@@ -171,16 +169,14 @@ static int fscache_fallback_write_page(struct inode *inode, struct page *page, struct netfs_cache_resources cres; struct fscache_cookie *cookie = cifs_inode_cookie(inode); struct iov_iter iter; - struct bio_vec bvec[1]; + struct bio_vec bvec; loff_t start = page_offset(page); size_t len = PAGE_SIZE; int ret; memset(&cres, 0, sizeof(cres)); - bvec[0].bv_page = page; - bvec[0].bv_offset = 0; - bvec[0].bv_len = PAGE_SIZE; - iov_iter_bvec(&iter, ITER_SOURCE, bvec, ARRAY_SIZE(bvec), PAGE_SIZE); + bvec_set_page(&bvec, page, PAGE_SIZE, 0); + iov_iter_bvec(&iter, ITER_SOURCE, &bvec, 1, PAGE_SIZE); ret = fscache_begin_write_operation(&cres, cookie); if (ret < 0)
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 2a19c7987c5bd8..95cc4d7dd806d7 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c@@ -1054,9 +1054,8 @@ setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw) for (i = 0; i < cur_npages; i++) { len = rc > PAGE_SIZE ? PAGE_SIZE : rc; - bv[npages + i].bv_page = pages[i]; - bv[npages + i].bv_offset = start; - bv[npages + i].bv_len = len - start; + bvec_set_page(&bv[npages + i], pages[i], len - start, + start); rc -= len; start = 0; }
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index e6bcd2baf446a9..cb2deac6b2d70e 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c@@ -4598,9 +4598,9 @@ init_read_bvec(struct page **pages, unsigned int npages, unsigned int data_size, return -ENOMEM; for (i = 0; i < npages; i++) { - bvec[i].bv_page = pages[i]; - bvec[i].bv_offset = (i == 0) ? cur_off : 0; - bvec[i].bv_len = min_t(unsigned int, PAGE_SIZE, data_size); + bvec_set_page(&bvec[i], pages[i], + min_t(unsigned int, PAGE_SIZE, data_size), + i == 0 ? cur_off : 0); data_size -= bvec[i].bv_len; }
--
2.39.0
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