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e9d578a8f2
kernel-ark/fs/ocfs2
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Tao Ma e9d578a8f2 ocfs2: Initalize bitmap_cpg of ocfs2_super to be the maximum. 
This value is initialized from global_bitmap->id2.i_chain.cl_cpg. If there
is only 1 group, it will be equal to the total clusters in the volume. So
as for online resize, it should change for all the nodes in the cluster.
It isn't easy and there is no corresponding lock for it.

bitmap_cpg is only used in 2 areas:
1. Check whether the suballoc is too large for us to allocate from the global
   bitmap, so it is little used. And now the suballoc size is 2048, it rarely
   meet this situation and the check is almost useless.
2. Calculate which group a cluster belongs to. We use it during truncate to
   figure out which cluster group an extent belongs too. But we should be OK
   if we increase it though as the cluster group calculated shouldn't change
   and we only ever have a small bitmap_cpg on file systems with a single
   cluster group.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2008-01-25 14:48:54 -08:00
..
cluster ocfs2: Remove data locks 2008-01-25 14:45:57 -08:00
dlm ocfs2_dlm: Call node eviction callbacks from heartbeat handler 2008-01-25 14:36:40 -08:00
alloc.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
alloc.h ocfs2: Write support for directories with inline data 2007-10-12 11:54:41 -07:00
aops.c ocfs2: Readpages support 2008-01-25 14:48:12 -08:00
aops.h ocfs2: convert to new aops 2007-10-16 09:42:58 -07:00
buffer_head_io.c ocfs2: implement directory read-ahead 2006-09-20 15:53:40 -07:00
buffer_head_io.h ocfs2: implement directory read-ahead 2006-09-20 15:53:40 -07:00
dcache.c ocfs2: Remove mount/unmount votes 2008-01-25 14:45:34 -08:00
dcache.h ocfs2: Remove special casing for inode creation in ocfs2_dentry_attach_lock() 2006-09-24 13:50:45 -07:00
dir.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
dir.h ocfs2: Rename cleanups 2007-10-12 11:54:38 -07:00
dlmglue.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
dlmglue.h ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
endian.h ocfs2: btree changes for unwritten extents 2007-07-10 17:32:00 -07:00
export.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
export.h exportfs: make struct export_operations const 2007-10-22 08:13:21 -07:00
extent_map.c ocfs2: Read support for inline data 2007-10-12 11:54:39 -07:00
extent_map.h ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
file.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
file.h ocfs2: move nonsparse hole-filling into ocfs2_write_begin() 2007-10-12 11:54:35 -07:00
heartbeat.c ocfs2: Remove mount/unmount votes 2008-01-25 14:45:34 -08:00
heartbeat.h ocfs2: Remove fs dependency on ocfs2_heartbeat module 2008-01-25 14:36:40 -08:00
inode.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
inode.h ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
ioctl.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
ioctl.h ocfs2: Implement compat_ioctl() 2007-05-02 15:07:16 -07:00
journal.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
journal.h ocfs2: Write support for inline data 2007-10-12 11:54:40 -07:00
localalloc.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
localalloc.h ocfs2: Allow smaller allocations during large writes 2007-09-20 15:06:09 -07:00
Makefile ocfs2: Remove mount/unmount votes 2008-01-25 14:45:34 -08:00
mmap.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
mmap.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
namei.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
namei.h ocfs2: Move directory manipulation code into dir.c 2007-10-12 11:54:36 -07:00
ocfs1_fs_compat.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
ocfs2_fs.h ocfs2: Structure updates for inline data 2007-10-12 11:54:39 -07:00
ocfs2_lockid.h ocfs2: Remove delete inode vote 2007-04-26 14:39:48 -07:00
ocfs2.h ocfs2: Remove mount/unmount votes 2008-01-25 14:45:34 -08:00
slot_map.c ocfs2: Remove mount/unmount votes 2008-01-25 14:45:34 -08:00
slot_map.h ocfs2: Remove mount/unmount votes 2008-01-25 14:45:34 -08:00
suballoc.c ocfs2: Rename ocfs2_meta_[un]lock 2008-01-25 14:46:01 -08:00
suballoc.h ocfs2: Allow smaller allocations during large writes 2007-09-20 15:06:09 -07:00
super.c ocfs2: Initalize bitmap_cpg of ocfs2_super to be the maximum. 2008-01-25 14:48:54 -08:00
super.h ocfs2: use s_maxbytes directly in ocfs2_change_file_space() 2007-08-09 17:25:07 -07:00
symlink.c mm: make read_cache_page synchronous 2007-05-07 12:12:51 -07:00
symlink.h [PATCH] mark struct inode_operations const 2 2007-02-12 09:48:46 -08:00
sysfile.c ocfs2: Provide convenience function for ino lookup 2007-10-12 11:54:38 -07:00
sysfile.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
uptodate.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
uptodate.h ocfs2: implement directory read-ahead 2006-09-20 15:53:40 -07:00
ver.c [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
ver.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00