#include #include #include #include #include #include "corking.h" #include "die.h" void set_udp_cork(int fd) { int ret, state = 1; ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot cork UDP socket!\n"); } void set_udp_uncork(int fd) { int ret, state = 0; ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot uncork UDP socket!\n"); } void set_tcp_cork(int fd) { int ret, state = 1; ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot cork TCP socket!\n"); } void set_tcp_uncork(int fd) { int ret, state = 0; ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot uncork TCP socket!\n"); } void set_sock_cork(int fd, bool is_udp) { if (is_udp) set_udp_cork(fd); else set_tcp_cork(fd); } void set_sock_uncork(int fd, bool is_udp) { if (is_udp) set_udp_uncork(fd); else set_tcp_uncork(fd); } 'master'>master net-next plumbingsTobias Klauser
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authorNikolay Borisov <n.borisov.lkml@gmail.com>2016-06-23 21:17:08 +0300
committerDavid Sterba <dsterba@suse.com>2016-07-26 13:52:25 +0200
commitfba4b697710eb2a4bee456b9d39e9239c66f8bee (patch)
treefdd49decee2eac671ab875c9b195fb3ec5730692
parent7af7c616fa2f1ce6c0d806b89898d2df098b4bd8 (diff)
btrfs: Fix slab accounting flags
BTRFS is using a variety of slab caches to satisfy internal needs. Those slab caches are always allocated with the SLAB_RECLAIM_ACCOUNT, meaning allocations from the caches are going to be accounted as SReclaimable. At the same time btrfs is not registering any shrinkers whatsoever, thus preventing memory from the slabs to be shrunk. This means those caches are not in fact reclaimable. To fix this remove the SLAB_RECLAIM_ACCOUNT on all caches apart from the inode cache, since this one is being freed by the generic VFS super_block shrinker. Also set the transaction related caches as SLAB_TEMPORARY, to better document the lifetime of the objects (it just translates to SLAB_RECLAIM_ACCOUNT). Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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