linux-kernel - [PATCH v3 06/13] nilfs2: fiemap: return correct extent physical length

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Date: Wed,  3 Apr 2024 03:22:47 -0400
From: Sweet Tea Dorminy <sweettea-kernel@...miny.me>
To: Jonathan Corbet <corbet@....net>,
	Kent Overstreet <kent.overstreet@...ux.dev>,
	Brian Foster <bfoster@...hat.com>,
	Chris Mason <clm@...com>,
	Josef Bacik <josef@...icpanda.com>,
	David Sterba <dsterba@...e.com>,
	Jaegeuk Kim <jaegeuk@...nel.org>,
	Chao Yu <chao@...nel.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>,
	Mickaël Salaün <mic@...ikod.net>,
	Sweet Tea Dorminy <sweettea-kernel@...miny.me>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-bcachefs@...r.kernel.org,
	linux-btrfs@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	linux-fsdevel@...r.kernel.org,
	kernel-team@...a.com
Subject: [PATCH v3 06/13] nilfs2: fiemap: return correct extent physical length

Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@...miny.me>
---
 fs/nilfs2/inode.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 4d3c347c982b..e3108f2cead7 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -1160,7 +1160,7 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 {
 	struct the_nilfs *nilfs = inode->i_sb->s_fs_info;
 	__u64 logical = 0, phys = 0, size = 0;
-	__u32 flags = 0;
+	__u32 flags = FIEMAP_EXTENT_HAS_PHYS_LEN;
 	loff_t isize;
 	sector_t blkoff, end_blkoff;
 	sector_t delalloc_blkoff;
@@ -1197,7 +1197,9 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 			if (blkoff > end_blkoff)
 				break;
 
-			flags = FIEMAP_EXTENT_MERGED | FIEMAP_EXTENT_DELALLOC;
+			flags = FIEMAP_EXTENT_MERGED |
+				FIEMAP_EXTENT_DELALLOC |
+				FIEMAP_EXTENT_HAS_PHYS_LEN;
 			logical = blkoff << blkbits;
 			phys = 0;
 			size = delalloc_blklen << blkbits;
@@ -1261,14 +1263,16 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 						break;
 
 					/* Start another extent */
-					flags = FIEMAP_EXTENT_MERGED;
+					flags = FIEMAP_EXTENT_MERGED |
+						FIEMAP_EXTENT_HAS_PHYS_LEN;
 					logical = blkoff << blkbits;
 					phys = blkphy << blkbits;
 					size = n << blkbits;
 				}
 			} else {
 				/* Start a new extent */
-				flags = FIEMAP_EXTENT_MERGED;
+				flags = FIEMAP_EXTENT_MERGED |
+					FIEMAP_EXTENT_HAS_PHYS_LEN;
 				logical = blkoff << blkbits;
 				phys = blkphy << blkbits;
 				size = n << blkbits;
-- 
2.43.0