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xfs: 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/20251024170822.1427218-10-willy@infradead.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Carlos Maiolino <cem@kernel.org>
Cc: linux-xfs@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2025-10-24 18:08:17 +01:00
committed by Christian Brauner
parent 2408900d40
commit ac0a11113d
2 changed files with 2 additions and 2 deletions
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2
fs/xfs/scrub/xfarray.c
View File

@@ -834,7 +834,7 @@ xfarray_sort_scan(
si->first_folio_idx = xfarray_idx(si->array,
folio_pos(si->folio) + si->array->obj_size - 1);
next_pos = folio_pos(si->folio) + folio_size(si->folio);
next_pos = folio_next_pos(si->folio);
si->last_folio_idx = xfarray_idx(si->array, next_pos - 1);
if (xfarray_pos(si->array, si->last_folio_idx + 1) > next_pos)
si->last_folio_idx--;

2
fs/xfs/xfs_aops.c
View File

@@ -271,7 +271,7 @@ xfs_discard_folio(
* folio itself and not the start offset that is passed in.
*/
xfs_bmap_punch_delalloc_range(ip, XFS_DATA_FORK, pos,
folio_pos(folio) + folio_size(folio), NULL);
folio_next_pos(folio), NULL);
}
/*