summaryrefslogtreecommitdiffstats
path: root/fs/ocfs2/super.c
diff options
context:
space:
mode:
authorTiger Yang <tiger.yang@oracle.com>2010-01-25 14:11:06 +0800
committerJoel Becker <joel.becker@oracle.com>2010-02-26 15:41:07 -0800
commitb89c54282db0c8634a2d2dc200f196d571750ce5 (patch)
treefbb34a01b3f0b2f4af6aae9ede9f3f21ef2a378d /fs/ocfs2/super.c
parenta5f28ae4df291d81d9d23066f88c55ca45e388d3 (diff)
downloadop-kernel-dev-b89c54282db0c8634a2d2dc200f196d571750ce5.zip
op-kernel-dev-b89c54282db0c8634a2d2dc200f196d571750ce5.tar.gz
ocfs2: add extent block stealing for ocfs2 v5
This patch add extent block (metadata) stealing mechanism for extent allocation. This mechanism is same as the inode stealing. if no room in slot specific extent_alloc, we will try to allocate extent block from the next slot. Signed-off-by: Tiger Yang <tiger.yang@oracle.com> Acked-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 755cd49..dee0319 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -69,6 +69,7 @@
#include "xattr.h"
#include "quota.h"
#include "refcounttree.h"
+#include "suballoc.h"
#include "buffer_head_io.h"
@@ -301,9 +302,12 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
spin_lock(&osb->osb_lock);
out += snprintf(buf + out, len - out,
- "%10s => Slot: %d NumStolen: %d\n", "Steal",
+ "%10s => InodeSlot: %d StolenInodes: %d, "
+ "MetaSlot: %d StolenMeta: %d\n", "Steal",
osb->s_inode_steal_slot,
- atomic_read(&osb->s_num_inodes_stolen));
+ atomic_read(&osb->s_num_inodes_stolen),
+ osb->s_meta_steal_slot,
+ atomic_read(&osb->s_num_meta_stolen));
spin_unlock(&osb->osb_lock);
out += snprintf(buf + out, len - out, "OrphanScan => ");
@@ -1997,7 +2001,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
osb->blocked_lock_count = 0;
spin_lock_init(&osb->osb_lock);
spin_lock_init(&osb->osb_xattr_lock);
- ocfs2_init_inode_steal_slot(osb);
+ ocfs2_init_steal_slots(osb);
atomic_set(&osb->alloc_stats.moves, 0);
atomic_set(&osb->alloc_stats.local_data, 0);
OpenPOWER on IntegriCloud