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From: Josef Bacik <jbacik@fb.com>
To: <linux-btrfs@vger.kernel.org>
Subject: [PATCH] Btrfs: set UNWRITTEN for prealloc'ed extents in fiemap
Date: Tue, 19 May 2015 10:44:04 -0400	[thread overview]
Message-ID: <1432046644-6981-1-git-send-email-jbacik@fb.com> (raw)

We should be doing this, it's weird we hadn't been doing this.

Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 fs/btrfs/extent_io.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c32d226..428930b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4492,6 +4492,8 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		}
 		if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags))
 			flags |= FIEMAP_EXTENT_ENCODED;
+		if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
+			flags |= FIEMAP_EXTENT_UNWRITTEN;
 
 		free_extent_map(em);
 		em = NULL;
-- 
1.8.3.1


             reply	other threads:[~2015-05-19 14:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-19 14:44 Josef Bacik [this message]
2015-05-19 18:07 ` [PATCH] Btrfs: set UNWRITTEN for prealloc'ed extents in fiemap Chris Mason
2015-05-19 19:20   ` Josef Bacik

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