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gfs2: Use folio_next_pos()

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This is one instruction more efficient than open-coding folio_pos() +
folio_size().  It's the equivalent of (x + y) << z rather than
x << z + y << z.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251024170822.1427218-7-willy@infradead.org
Cc: Andreas Gruenbacher <agruenba@redhat.com>
Cc: gfs2@lists.linux.dev
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2025-10-24 18:08:14 +01:00
committed by Christian Brauner
parent 4fcafa30b7
commit 5f0fc78532
1 changed files with 1 additions and 2 deletions
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3
fs/gfs2/aops.c
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@@ -81,8 +81,7 @@ static int gfs2_write_jdata_folio(struct folio *folio,
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
if (folio_pos(folio) < i_size &&
i_size < folio_pos(folio) + folio_size(folio))
if (folio_pos(folio) < i_size && i_size < folio_next_pos(folio))
folio_zero_segment(folio, offset_in_folio(folio, i_size),
folio_size(folio));