optimize symlink handling

To:	xfs@xxxxxxxxxxx
Subject:	optimize symlink handling
From:	Christoph Hellwig <hch@xxxxxx>
Date:	Thu, 23 Apr 2015 21:07:38 +0200
Cc:	viro@xxxxxxxxxxxxxxxxxx
Delivered-to:	xfs@xxxxxxxxxxx

This series rewrite the highlevel XFS follow_link code.  Now long
symlinks will be put into the pagecache like most filesystem already
do, and inline symlinks can be directly returned to the VFS.  In
either case the kmalloc in ->follow_link is gone.

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optimize symlink handling, Christoph Hellwig <= [PATCH 2/6] xfs: factor out a helper to initialize a local format inode fork, Christoph Hellwig [PATCH 4/6] xfs: use ->readlink to implement the readlink_by_handle ioctl, Christoph Hellwig [PATCH 3/6] xfs: set up inode operation vectors later, Christoph Hellwig [PATCH 5/6] xfs: move non-inline symlinks to the pagecache, Christoph Hellwig Re: [PATCH 5/6] xfs: move non-inline symlinks to the pagecache, Dave Chinner Re: [PATCH 5/6] xfs: move non-inline symlinks to the pagecache, Christoph Hellwig Re: [PATCH 5/6] xfs: move non-inline symlinks to the pagecache, Christoph Hellwig Re: [PATCH 5/6] xfs: move non-inline symlinks to the pagecache, Al Viro Re: [PATCH 5/6] xfs: move non-inline symlinks to the pagecache, Al Viro Re: [PATCH 5/6] xfs: move non-inline symlinks to the pagecache, Christoph Hellwig

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