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Message-ID: <CAAeU0aPBotudmaexDh60tBZUcFYk5ZDE2S9byMdD+u1Q34AXnA@mail.gmail.com> Date: Wed, 14 Jun 2017 16:39:37 -0700 From: Tahsin Erdogan <tahsin@...gle.com> To: "Darrick J. Wong" <darrick.wong@...cle.com> Cc: Jan Kara <jack@...e.com>, "Theodore Ts'o" <tytso@....edu>, Andreas Dilger <adilger.kernel@...ger.ca>, Dave Kleikamp <shaggy@...nel.org>, Alexander Viro <viro@...iv.linux.org.uk>, Mark Fasheh <mfasheh@...sity.com>, Joel Becker <jlbec@...lplan.org>, Jens Axboe <axboe@...com>, Deepa Dinamani <deepa.kernel@...il.com>, Mike Christie <mchristi@...hat.com>, Fabian Frederick <fabf@...net.be>, linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org, jfs-discussion@...ts.sourceforge.net, linux-fsdevel@...r.kernel.org, ocfs2-devel@....oracle.com, reiserfs-devel@...r.kernel.org Subject: Re: [PATCH 29/31] ext4: reserve space for xattr entries/names On Wed, Jun 14, 2017 at 4:05 PM, Darrick J. Wong <darrick.wong@...cle.com> wrote: > Why not just spill the values into their own ea_inodes if we need the > space? I guess that has the disadvantage that now we need to reserve > quite a few more journal credits ((1 inode block, 1 bbitmap block, 1 > ibitmap block, 1 data block) * nr_inline_values) just in case we end up > spilling all the values. > In last week's ext4 conference call we have discussed this problem and possible solutions. The major concern with spilling/evacuation approach was the added complexity. We haven't discussed the impact on journal credits, but that is a valid point too.
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