From: Theodore Ts'o <tytso@mit.edu>
Date: Sat, 9 Feb 2013 20:06:24 +0000 (-0500)
Subject: ext4: fix the number of credits needed for ext4_unlink() and ext4_rmdir()
X-Git-Tag: v3.9-rc1~64^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64044abf05d0842a7fed30e102fa411a744c7d9f;p=pandora-kernel.git

ext4: fix the number of credits needed for ext4_unlink() and ext4_rmdir()

The ext4_unlink() and ext4_rmdir() don't actually release the blocks
associated with the file/directory.  This gets done in a separate jbd2
handle called via ext4_evict_inode().  Thus, we don't need to reserve
lots of journal credits for the truncate.

Note that using too many journal credits is non-optimal because it can
leading to the journal transmit getting closed too early, before it is
strictly necessary.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
---

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