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authorDan Magenheimer <dan.magenheimer@oracle.com>2011-05-26 10:02:08 -0600
committerDan Magenheimer <dan.magenheimer@oracle.com>2011-05-26 10:02:08 -0600
commit1cfd8bd0f97ae3ad314151cd0fd70454d7b39699 (patch)
tree3d3463b53f936a3dfd82340368b89841d3de40d8 /drivers/xen
parent7abc52c2ed169c65044d3a199879c8438ad82322 (diff)
ocfs2: add cleancache support
This eighth patch of eight in this cleancache series "opts-in" cleancache for ocfs2. Clustered filesystems must explicitly enable cleancache by calling cleancache_init_shared_fs anytime an instance of the filesystem is mounted. Ocfs2 is currently the only user of the clustered filesystem interface but nevertheless, the cleancache hooks in the VFS layer are sufficient for ocfs2 including the matching cleancache_flush_fs hook which must be called on unmount. Details and a FAQ can be found in Documentation/vm/cleancache.txt [v8: trivial merge conflict update] [v5: jeremy@goop.org: simplify init hook and any future fs init changes] Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Reviewed-by: Jeremy Fitzhardinge <jeremy@goop.org> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Rik Van Riel <riel@redhat.com> Cc: Jan Beulich <JBeulich@novell.com> Cc: Chris Mason <chris.mason@oracle.com> Cc: Andreas Dilger <adilger@sun.com> Cc: Ted Tso <tytso@mit.edu> Cc: Nitin Gupta <ngupta@vflare.org>
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