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From: Matthew Wilcox <willy@infradead.org>
To: Richard Weinberger <richard@nod.at>
Cc: linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 3/4] ubifs: Use a folio in do_truncation()
Date: Mon, 5 Jun 2023 18:05:09 +0100	[thread overview]
Message-ID: <ZH4VxTWB3d9oNW5X@casper.infradead.org> (raw)
In-Reply-To: <20230605165029.2908304-4-willy@infradead.org>

On Mon, Jun 05, 2023 at 05:50:28PM +0100, Matthew Wilcox (Oracle) wrote:
> Convert from the old page APIs to the new folio APIs which saves
> a few hidden calls to compound_head().

Argh.  This fix was supposed to be folded in.


diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 1b2055d5ec5f..67cf5138ccc4 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1161,7 +1161,7 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode,
 		struct folio *folio;
 
 		folio = filemap_lock_folio(inode->i_mapping, index);
-		if (folio) {
+		if (!IS_ERR(folio)) {
 			if (folio_test_dirty(folio)) {
 				/*
 				 * 'ubifs_jnl_truncate()' will try to truncate

  reply	other threads:[~2023-06-05 17:05 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-05 16:50 [PATCH 0/4] ubifs: Convert writeback to use folios Matthew Wilcox (Oracle)
2023-06-05 16:50 ` [PATCH 1/4] ubifs: Convert from writepage to writepages Matthew Wilcox (Oracle)
2023-06-06 14:37   ` Zhihao Cheng
2023-06-07 14:11     ` Zhihao Cheng
2023-06-05 16:50 ` [PATCH 2/4] ubifs: Convert ubifs_writepage to use a folio Matthew Wilcox (Oracle)
2023-06-07 14:48   ` Zhihao Cheng
2023-06-05 16:50 ` [PATCH 3/4] ubifs: Use a folio in do_truncation() Matthew Wilcox (Oracle)
2023-06-05 17:05   ` Matthew Wilcox [this message]
2023-06-08 14:31     ` Zhihao Cheng
2023-06-05 16:50 ` [PATCH 4/4] ubifs: Convert do_writepage() to take a folio Matthew Wilcox (Oracle)
2023-06-05 19:28   ` kernel test robot
2023-06-05 21:37   ` Richard Weinberger
2023-06-06  3:22     ` Matthew Wilcox
2023-06-06  6:13       ` Richard Weinberger
2023-06-06 12:32         ` Matthew Wilcox
2023-06-06 13:41           ` Richard Weinberger
2023-06-05 23:29   ` kernel test robot
2023-06-08 15:09   ` Zhihao Cheng

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