linux-ext4 - Re: [PATCH 1/3] lib/ext2fs: Add ext2fs

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Date:	Tue, 15 Jan 2013 14:17:14 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	Darren Hart <dvhart@...radead.org>
Cc:	linux-ext4@...r.kernel.org, adilger@...ger.ca, sgw@...ux.intel.com,
	darrick.wong@...cle.com
Subject: Re: [PATCH 1/3] lib/ext2fs: Add ext2fs_symlink

On Fri, Jan 04, 2013 at 12:00:58PM -0800, Darren Hart wrote:

Applied, thanks.

> Note the one remaining FIXME. Do I need to use ext2fs_bmap2() for the
> slowlink without extents? If not, how is the 0 block associated with the
> inode?

No, you don't need to use ext2fs_bmap2().  The 0 block was set here in
the else clause:

+		if (fs->super->s_feature_incompat &
+		   EXT3_FEATURE_INCOMPAT_EXTENTS) {
+			/*
+			 * The extent bmap is setup after the inode and block
+			 * have been written out below.
+			 */
+			inode.i_flags |= EXT4_EXTENTS_FL;
+		} else {
+			inode.i_block[0] = blk;
+		}

						- Ted
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