linux-ext4 - [PATCH 4/4] If the filesystem supports extents create an extent-based journal inode

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Date:	Wed, 27 Aug 2008 17:14:36 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Frédéric Bohé <frederic.bohe@...l.net>
Cc:	linux-ext4@...r.kernel.org, Theodore Ts'o <tytso@....edu>
Subject: [PATCH 4/4] If the filesystem supports extents create an extent-based journal inode

Signed-off-by: "Theodore Ts'o" <tytso@....edu>
---
 lib/ext2fs/mkjournal.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/lib/ext2fs/mkjournal.c b/lib/ext2fs/mkjournal.c
index cd3df07..c112be9 100644
--- a/lib/ext2fs/mkjournal.c
+++ b/lib/ext2fs/mkjournal.c
@@ -298,6 +298,12 @@ static errcode_t write_journal_inode(ext2_filsys fs, ext2_ino_t journal_ino,
 	es.err = 0;
 	es.zero_count = 0;
 
+	if (fs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS) {
+		inode.i_flags |= EXT4_EXTENTS_FL;
+		if ((retval = ext2fs_write_inode(fs, journal_ino, &inode)))
+			return retval;
+	}
+
 	/*
 	 * Set the initial goal block to be roughly at the middle of
 	 * the filesystem.  Pick a group that has the largest number
-- 
1.5.6.1.205.ge2c7.dirty

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