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block/bdev: enable large folio support for large logical block sizes

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Call mapping_set_folio_min_order() when modifying the logical block
size to ensure folios are allocated with the correct size.

Reviewed-by: Luis Chamberlain <[email protected]>
Reviewed-by: "Matthew Wilcox (Oracle)" <[email protected]>
Signed-off-by: Hannes Reinecke <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: John Garry <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
This commit is contained in:
Hannes Reinecke authored and Christian Brauner committed 2025-02-24 11:44:44 +01:00
1 parent e59e97d42b
commit 3c20917120
1 file changed
+3
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block/bdev.c
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@@ -148,6 +148,8 @@ static void set_init_blocksize(struct block_device *bdev)
bsize <<= 1;
}
BD_INODE(bdev)->i_blkbits = blksize_bits(bsize);
mapping_set_folio_min_order(BD_INODE(bdev)->i_mapping,
get_order(bsize));
}
int set_blocksize(struct file *file, int size)
@@ -169,6 +171,7 @@ int set_blocksize(struct file *file, int size)
if (inode->i_blkbits != blksize_bits(size)) {
sync_blockdev(bdev);
inode->i_blkbits = blksize_bits(size);
mapping_set_folio_min_order(inode->i_mapping, get_order(size));
kill_bdev(bdev);
}
return 0;