github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 07:03:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

iomap: push non-large folio check into get folio path

Browse Source 
The len param to __iomap_get_folio() is primarily a folio allocation
hint. iomap_write_begin() already trims its local len variable based
on the provided folio, so move the large folio support check closer
to folio lookup.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Link: https://lore.kernel.org/20250506134118.911396-6-bfoster@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Brian Foster 2025-05-06 09:41:17 -04:00 committed by Christian Brauner
parent c4f9a1ba74
commit c0f8658a9d
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/iomap/buffered-io.c
View File

@ -746,6 +746,9 @@ static struct folio *__iomap_get_folio(struct iomap_iter *iter, size_t len)
const struct iomap_folio_ops *folio_ops = iter->iomap.folio_ops;
loff_t pos = iter->pos;
if (!mapping_large_folio_support(iter->inode->i_mapping))
len = min_t(size_t, len, PAGE_SIZE - offset_in_page(pos));
if (folio_ops && folio_ops->get_folio)
return folio_ops->get_folio(iter, pos, len);
else
@ -807,9 +810,6 @@ static int iomap_write_begin(struct iomap_iter *iter, size_t len,
if (fatal_signal_pending(current))
return -EINTR;
if (!mapping_large_folio_support(iter->inode->i_mapping))
len = min_t(size_t, len, PAGE_SIZE - offset_in_page(pos));
folio = __iomap_get_folio(iter, len);
if (IS_ERR(folio))
return PTR_ERR(folio);