inode: Make unused inode LRU per superblock
The inode unused list is currently a global LRU. This does not match the other global filesystem cache - the dentry cache - which uses per-superblock LRU lists. Hence we have related filesystem object types using different LRU reclaimation schemes. To enable a per-superblock filesystem cache shrinker, both of these caches need to have per-sb unused object LRU lists. Hence this patch converts the global inode LRU to per-sb LRUs. The patch only does rudimentary per-sb propotioning in the shrinker infrastructure, as this gets removed when the per-sb shrinker callouts are introduced later on. Signed-off-by:Dave Chinner <dchinner@redhat.com> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
parent
fcb94f72
Please register or sign in to comment