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authorMatthew Wilcox (Oracle) <willy@infradead.org>2024-05-30 21:21:06 +0100
committerChristian Brauner <brauner@kernel.org>2024-05-31 12:31:42 +0200
commit55050b6873c62d7a7a6921acb992cc587fad0327 (patch)
treec843536dcc150bc60a70e9774b1403d448c33b3a /fs/vboxsf
parentca7d585639b597e838882faa3c7a959d13aaa533 (diff)
vboxsf: Convert vboxsf_read_folio() to use a folio
Remove conversion to a page and use folio APIs throughout. This includes a removal of setting the error flag as nobody checks the error flag on vboxsf folios. This does not include large folio support as we would have to map each page individually. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lore.kernel.org/r/20240530202110.2653630-15-willy@infradead.org Tested-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/vboxsf')
-rw-r--r--fs/vboxsf/file.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/fs/vboxsf/file.c b/fs/vboxsf/file.c
index 118dedef8ebe..fdb4da24d662 100644
--- a/fs/vboxsf/file.c
+++ b/fs/vboxsf/file.c
@@ -228,26 +228,19 @@ const struct inode_operations vboxsf_reg_iops = {
static int vboxsf_read_folio(struct file *file, struct folio *folio)
{
- struct page *page = &folio->page;
struct vboxsf_handle *sf_handle = file->private_data;
- loff_t off = page_offset(page);
+ loff_t off = folio_pos(folio);
u32 nread = PAGE_SIZE;
u8 *buf;
int err;
- buf = kmap(page);
+ buf = kmap_local_folio(folio, 0);
err = vboxsf_read(sf_handle->root, sf_handle->handle, off, &nread, buf);
- if (err == 0) {
- memset(&buf[nread], 0, PAGE_SIZE - nread);
- flush_dcache_page(page);
- SetPageUptodate(page);
- } else {
- SetPageError(page);
- }
+ buf = folio_zero_tail(folio, nread, buf + nread);
- kunmap(page);
- unlock_page(page);
+ kunmap_local(buf);
+ folio_end_read(folio, err == 0);
return err;
}
@@ -295,7 +288,6 @@ static int vboxsf_writepage(struct page *page, struct writeback_control *wbc)
kref_put(&sf_handle->refcount, vboxsf_handle_release);
if (err == 0) {
- ClearPageError(page);
/* mtime changed */
sf_i->force_restat = 1;
} else {