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authorDave Chinner <dchinner@redhat.com>2010-07-19 00:56:17 -0400
committerDave Chinner <david@fromorbit.com>2010-07-19 00:56:17 -0400
commit7f8275d0d660c146de6ee3017e1e2e594c49e820 (patch)
tree884db927118b44102750b5168ee36ef4b8b5cb4e /fs/inode.c
parentd0c6f6258478e1dba532bf7c28e2cd6e1047d3a4 (diff)
mm: add context argument to shrinker callback
The current shrinker implementation requires the registered callback to have global state to work from. This makes it difficult to shrink caches that are not global (e.g. per-filesystem caches). Pass the shrinker structure to the callback so that users can embed the shrinker structure in the context the shrinker needs to operate on and get back to it in the callback via container_of(). Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/inode.c')
-rw-r--r--fs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/inode.c b/fs/inode.c
index 2bee20ae3d65..722860b323a9 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -512,7 +512,7 @@ static void prune_icache(int nr_to_scan)
512 * This function is passed the number of inodes to scan, and it returns the 512 * This function is passed the number of inodes to scan, and it returns the
513 * total number of remaining possibly-reclaimable inodes. 513 * total number of remaining possibly-reclaimable inodes.
514 */ 514 */
515static int shrink_icache_memory(int nr, gfp_t gfp_mask) 515static int shrink_icache_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask)
516{ 516{
517 if (nr) { 517 if (nr) {
518 /* 518 /*