On Sat, Nov 26, 2016 at 10:17:57PM -0800, Eric Biggers wrote: > mbcache entries have an 'e_referenced' bit which users can set with > mb_cache_entry_touch() to indicate that an entry should be given another > pass through the LRU list before the shrinker can delete it. However, > mb_cache_shrink() actually would, when seeing an e_referenced entry at > the front of the list (the least-recently used end), place it right at > the front of the list again. The next iteration would then remove the > entry from the list and delete it. Consequently, e_referenced had > essentially no effect, so ext2/ext4 xattr blocks would sometimes not be > reused as often as expected. > > Fix this by making the shrinker move e_referenced entries to the back of > the list rather than the front. > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> Thanks, applied. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
