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fscache: remove unused ->now_uncached callback

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Patch series "Ranged pagevec lookup", v2.

In this series I make pagevec_lookup() update the index (to be
consistent with pagevec_lookup_tag() and also as a preparation for
ranged lookups), provide ranged variant of pagevec_lookup() and use it
in places where it makes sense.  This not only removes some common code
but is also a measurable performance win for some use cases (see patch
4/10) where radix tree is sparse and searching & grabing of a page after
the end of the range has measurable overhead.

This patch (of 10):

The callback doesn't ever get called.  Remove it.

Link: http://lkml.kernel.org/r/20170726114704.7626-2-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara 2017-09-06 16:21:15 -07:00 • committed by Linus Torvalds
parent db73ee0d46
commit 26b433d0da
7 changed files with 0 additions and 185 deletions
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9
include/linux/fscache.h
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@ -143,15 +143,6 @@ struct fscache_cookie_def {
void (*mark_page_cached)(void *cookie_netfs_data,
struct address_space *mapping,
struct page *page);
/* indicate the cookie is no longer cached
* - this function is called when the backing store currently caching
* a cookie is removed
* - the netfs should use this to clean up any markers indicating
* cached pages
* - this is mandatory for any object that may have data
*/
void (*now_uncached)(void *cookie_netfs_data);
};
/*