From 22f89a4f8c049b884c320bc7477397916ee97b63 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 11 Apr 2024 15:53:38 +0100 Subject: [PATCH] grow_dev_folio(): we only want ->bd_inode->i_mapping there Signed-off-by: Al Viro Link: https://lore.kernel.org/r/20240411145346.2516848-3-viro@zeniv.linux.org.uk Reviewed-by: Matthew Wilcox (Oracle) Signed-off-by: Christian Brauner --- fs/buffer.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index d5a0932ae68d..78a4e95ba2f2 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1034,12 +1034,12 @@ static sector_t folio_init_buffers(struct folio *folio, static bool grow_dev_folio(struct block_device *bdev, sector_t block, pgoff_t index, unsigned size, gfp_t gfp) { - struct inode *inode = bdev->bd_inode; + struct address_space *mapping = bdev->bd_mapping; struct folio *folio; struct buffer_head *bh; sector_t end_block = 0; - folio = __filemap_get_folio(inode->i_mapping, index, + folio = __filemap_get_folio(mapping, index, FGP_LOCK | FGP_ACCESSED | FGP_CREAT, gfp); if (IS_ERR(folio)) return false; @@ -1073,10 +1073,10 @@ static bool grow_dev_folio(struct block_device *bdev, sector_t block, * lock to be atomic wrt __find_get_block(), which does not * run under the folio lock. */ - spin_lock(&inode->i_mapping->i_private_lock); + spin_lock(&mapping->i_private_lock); link_dev_buffers(folio, bh); end_block = folio_init_buffers(folio, bdev, size); - spin_unlock(&inode->i_mapping->i_private_lock); + spin_unlock(&mapping->i_private_lock); unlock: folio_unlock(folio); folio_put(folio);