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authorMatthew Wilcox (Oracle) <willy@infradead.org>2022-04-29 17:49:41 +0200
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-05-09 22:21:44 +0200
commita77f580a2d4645ee0bec8679c377900b95863260 (patch)
tree7ee4c88d7f77e4347721e3b79469dcacc693cb68 /fs/libfs.c
parentfs: Convert mpage_readpage to mpage_read_folio (diff)
downloadlinux-a77f580a2d4645ee0bec8679c377900b95863260.tar.xz
linux-a77f580a2d4645ee0bec8679c377900b95863260.zip
fs: Convert simple_readpage to simple_read_folio
This is a full folio conversion; it is prepared to handle folios of arbitrary size. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'fs/libfs.c')
-rw-r--r--fs/libfs.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/libfs.c b/fs/libfs.c
index a1c10d3163e0..31b0ddf01c31 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -539,12 +539,12 @@ int simple_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
}
EXPORT_SYMBOL(simple_setattr);
-static int simple_readpage(struct file *file, struct page *page)
+static int simple_read_folio(struct file *file, struct folio *folio)
{
- clear_highpage(page);
- flush_dcache_page(page);
- SetPageUptodate(page);
- unlock_page(page);
+ folio_zero_range(folio, 0, folio_size(folio));
+ flush_dcache_folio(folio);
+ folio_mark_uptodate(folio);
+ folio_unlock(folio);
return 0;
}
@@ -592,7 +592,7 @@ EXPORT_SYMBOL(simple_write_begin);
* should extend on what's done here with a call to mark_inode_dirty() in the
* case that i_size has changed.
*
- * Use *ONLY* with simple_readpage()
+ * Use *ONLY* with simple_read_folio()
*/
static int simple_write_end(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
@@ -628,7 +628,7 @@ static int simple_write_end(struct file *file, struct address_space *mapping,
* Provides ramfs-style behavior: data in the pagecache, but no writeback.
*/
const struct address_space_operations ram_aops = {
- .readpage = simple_readpage,
+ .read_folio = simple_read_folio,
.write_begin = simple_write_begin,
.write_end = simple_write_end,
.dirty_folio = noop_dirty_folio,