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From: Daniel Gomez <da.gomez@samsung.com>
To: "viro@zeniv.linux.org.uk" <viro@zeniv.linux.org.uk>,
	"brauner@kernel.org" <brauner@kernel.org>, "jack@suse.cz" <jack@suse.cz>,
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	<akpm@linux-foundation.org>
CC: "dagmcr@gmail.com" <dagmcr@gmail.com>, "linux-fsdevel@vger.kernel.org"
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	<linux-kernel@vger.kernel.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>,
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	<hch@infradead.org>, "mcgrof@kernel.org" <mcgrof@kernel.org>, Pankaj Raghav
	<p.raghav@samsung.com>, "gost.dev@samsung.com" <gost.dev@samsung.com>,
	"Daniel Gomez" <da.gomez@samsung.com>
Subject: [RFC PATCH 9/9] shmem: enable per-block uptodate
Thread-Topic: [RFC PATCH 9/9] shmem: enable per-block uptodate
Thread-Index: AQHaW2RVXX84xcoe2UmZR8TV2QDYag==
Date: Fri, 9 Feb 2024 14:29:04 +0000
Message-ID: <20240209142901.126894-10-da.gomez@samsung.com>
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References: <20240209142901.126894-1-da.gomez@samsung.com>
	<CGME20240209142907eucas1p12155b2fb002df5e0cd617fa74de757b7@eucas1p1.samsung.com>

In the write_end() function, mark only the blocks that are being written
as uptodate.

Signed-off-by: Daniel Gomez <da.gomez@samsung.com>
---
 mm/shmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 2157a87b2e4b..8ff2d190a9e4 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2964,7 +2964,7 @@ shmem_write_end(struct file *file, struct address_spa=
ce *mapping,
 	if (pos + copied > inode->i_size)
 		i_size_write(inode, pos + copied);
=20
-	shmem_set_range_uptodate(folio, 0, folio_size(folio));
+	shmem_set_range_uptodate(folio, offset_in_folio(folio, pos), len);
 	folio_mark_dirty(folio);
 	folio_unlock(folio);
 	folio_put(folio);
--=20
2.43.0