linux-ext4 - [PATCH 5/6] fuse2fs: increase inode cache size

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Message-ID: <176169818853.1431012.6002866162788023254.stgit@frogsfrogsfrogs>
Date: Tue, 28 Oct 2025 18:18:20 -0700
From: "Darrick J. Wong" <djwong@...nel.org>
To: tytso@....edu
Cc: linux-fsdevel@...r.kernel.org, joannelkoong@...il.com, bernd@...ernd.com,
 neal@...pa.dev, miklos@...redi.hu, linux-ext4@...r.kernel.org
Subject: [PATCH 5/6] fuse2fs: increase inode cache size

From: Darrick J. Wong <djwong@...nel.org>

Increase the internal inode cache size.  Does this improve performance
any?

Signed-off-by: "Darrick J. Wong" <djwong@...nel.org>
---
 fuse4fs/fuse4fs.c |    4 ++++
 misc/fuse2fs.c    |    4 ++++
 2 files changed, 8 insertions(+)

diff --git a/fuse4fs/fuse4fs.c b/fuse4fs/fuse4fs.c
index e000fc4195ab59..503cc43c155979 100644
--- a/fuse4fs/fuse4fs.c
+++ b/fuse4fs/fuse4fs.c
@@ -1687,6 +1687,10 @@ static errcode_t fuse4fs_open(struct fuse4fs *ff)
 	if (err)
 		return translate_error(ff->fs, 0, err);

+	err = ext2fs_create_inode_cache(ff->fs, 1024);
+	if (err)
+		return translate_error(ff->fs, 0, err);
+
 	ff->fs->priv_data = ff;
 	ff->blocklog = u_log2(ff->fs->blocksize);
 	ff->blockmask = ff->fs->blocksize - 1;
diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index fb31183d4cd895..3c9fd2489bb94b 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -1515,6 +1515,10 @@ static errcode_t fuse2fs_open(struct fuse2fs *ff)
 		log_printf(ff, "%s %s.\n", _("mounted filesystem"), uuid);
 	}

+	err = ext2fs_create_inode_cache(ff->fs, 1024);
+	if (err)
+		return translate_error(ff->fs, 0, err);
+
 	ff->fs->priv_data = ff;
 	ff->blocklog = u_log2(ff->fs->blocksize);
 	ff->blockmask = ff->fs->blocksize - 1;