forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ocfs2: add extent block stealing for ocfs2 v5

Browse source 
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>
This commit is contained in:
Tiger Yang 2010-01-25 14:11:06 +08:00 • committed by Joel Becker
parent a5f28ae4df
commit b89c54282d
9 changed files with 150 additions and 78 deletions
Download patch file Download diff file Expand all files Collapse all files

1
fs/ocfs2/suballoc.h
View file

@ -56,6 +56,7 @@ struct ocfs2_alloc_context {
is the same as ~0 - unlimited */
};
void ocfs2_init_steal_slots(struct ocfs2_super *osb);
void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac);
static inline int ocfs2_alloc_context_bits_left(struct ocfs2_alloc_context *ac)
{