linux-kernel - [PATCH] xfs: add FALLOC_FL_ALLOCATE

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Message-Id: <20250627053344.245197-1-youling.tang@linux.dev>
Date: Fri, 27 Jun 2025 13:33:44 +0800
From: Youling Tang <youling.tang@...ux.dev>
To: Carlos Maiolino <cem@...nel.org>
Cc: linux-xfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	youling.tang@...ux.dev,
	Youling Tang <tangyouling@...inos.cn>
Subject: [PATCH] xfs: add FALLOC_FL_ALLOCATE_RANGE to supported flags mask

From: Youling Tang <tangyouling@...inos.cn>

Add FALLOC_FL_ALLOCATE_RANGE to the set of supported fallocate flags in
XFS_FALLOC_FL_SUPPORTED. This change improves code clarity and maintains
by explicitly showing this flag in the supported flags mask.

Note that since FALLOC_FL_ALLOCATE_RANGE is defined as 0x00, this addition
has no functional modifications.

Signed-off-by: Youling Tang <tangyouling@...inos.cn>
---
 fs/xfs/xfs_file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 48254a72071b..d7f6b078d413 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1335,7 +1335,8 @@ xfs_falloc_allocate_range(
 }
 
 #define	XFS_FALLOC_FL_SUPPORTED						\
-		(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE |		\
+		(FALLOC_FL_KEEP_SIZE |					\
+		 FALLOC_FL_ALLOCATE_RANGE | FALLOC_FL_PUNCH_HOLE |	\
 		 FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE |	\
 		 FALLOC_FL_INSERT_RANGE | FALLOC_FL_UNSHARE_RANGE)
 
-- 
2.34.1