linux-ext4 - [PATCH 22/29] fuse2fs: fix fallocate zero range

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Message-ID: <174786677941.1383760.17359353030156900900.stgit@frogsfrogsfrogs>
Date: Wed, 21 May 2025 15:40:39 -0700
From: "Darrick J. Wong" <djwong@...nel.org>
To: tytso@....edu
Cc: linux-ext4@...r.kernel.org
Subject: [PATCH 22/29] fuse2fs: fix fallocate zero range

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

Allow this flag when we're checking flags in op_fallocate.

Signed-off-by: "Darrick J. Wong" <djwong@...nel.org>
---
 misc/fuse2fs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index 4d4eaedfc33e1f..74bbe661a417e5 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -3820,7 +3820,7 @@ static int op_fallocate(const char *path EXT2FS_ATTR((unused)), int mode,
 	int ret;

 	/* Catch unknown flags */
-	if (mode & ~(FL_PUNCH_HOLE_FLAG | FL_KEEP_SIZE_FLAG))
+	if (mode & ~(FL_ZERO_RANGE_FLAG | FL_PUNCH_HOLE_FLAG | FL_KEEP_SIZE_FLAG))
 		return -EOPNOTSUPP;

 	pthread_mutex_lock(&ff->bfl);