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SubjectRe: [PATCH 1/4] mm: cleancache: s/flush/invalidate/
Hey Konrad,

On 01/12/2012 02:36 PM, Konrad Rzeszutek Wilk wrote:
> From: Dan Magenheimer <dan.magenheimer@oracle.com>
>
> Per akpm suggestions alter the use of the term flush to be
> invalidate. The next patch will do this across all MM.
>
> This change is completely cosmetic.
>
> [v9: akpm@linux-foundation.org: change "flush" to "invalidate", part 3]
>
> Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
> Reviewed-by: Konrad Wilk <konrad.wilk@oracle.com>
> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Cc: Jan Beulich <JBeulich@novell.com>
> Cc: Seth Jennings <sjenning@linux.vnet.ibm.com>
> Cc: Jeremy Fitzhardinge <jeremy@goop.org>
> Cc: Hugh Dickins <hughd@google.com>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Nitin Gupta <ngupta@vflare.org>
> Cc: Matthew Wilcox <matthew@wil.cx>
> Cc: Chris Mason <chris.mason@oracle.com>
> Cc: Rik Riel <riel@redhat.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> [v10: Fixed fs: move code out of buffer.c conflict change]
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> ---
> Documentation/vm/cleancache.txt | 37 +++++++++++++++++++------------------
> fs/block_dev.c | 2 +-
> fs/super.c | 2 +-
> include/linux/cleancache.h | 23 ++++++++++++++---------
> mm/cleancache.c | 19 ++++++++++---------
> mm/filemap.c | 2 +-
> mm/truncate.c | 10 +++++-----
> 7 files changed, 51 insertions(+), 44 deletions(-)
snip
> diff --git a/fs/block_dev.c b/fs/block_dev.c
> index 69a5b6f..d6d5f29 100644
> --- a/fs/block_dev.c
> +++ b/fs/block_dev.c
> @@ -110,7 +110,7 @@ void invalidate_bdev(struct block_device *bdev)
> /* 99% of the time, we don't need to flush the cleancache on the bdev.
> * But, for the strange corners, lets be cautious
> */
> - cleancache_flush_inode(mapping);
> + cleancache_invalidate_inode(mapping);
> }
> EXPORT_SYMBOL(invalidate_bdev);

This hunk doesn't merge cleanly because there is no existing
cleancache code in fs/block_dev.c in v3.2 or any previous version.

Looking at the git log, doesn't look like any cleancache code was
ever merged into this file.

--
Seth




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