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alistair23-linux/fs/ocfs2
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Tao Ma 5a7bc8eb29 ocfs2: Add the basic xattr disk layout in ocfs2_fs.h 
Ocfs2 uses a very flexible structure for storing extended attributes on
disk. Small amount of attributes are stored directly in the inode block - up
to 256 bytes worth. If that fills up, attributes are also stored in an
external block, linked to from the inode block. That block can in turn
expand to a btree, capable of storing large numbers of attributes.

Individual attribute values are stored inline if they're small enough
(currently about 80 bytes, this can be changed though), and otherwise are
expanded to a btree. The theoretical limit to the size of an individual
attribute is about the same as an inode, though the kernel's upper bound on
the size of an attributes data is far smaller.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-10-13 13:57:59 -07:00
..
cluster [PATCH] ocfs2/cluster/netdebug.c: fix warning 2008-08-22 10:56:57 -07:00
dlm SL*B: drop kmem cache argument from constructor 2008-07-26 12:00:07 -07:00
alloc.c ocfs2: Make high level btree extend code generic 2008-10-13 13:57:59 -07:00
alloc.h ocfs2: Make high level btree extend code generic 2008-10-13 13:57:59 -07:00
aops.c ocfs2: Make high level btree extend code generic 2008-10-13 13:57:59 -07:00
aops.h ocfs2: convert to new aops 2007-10-16 09:42:58 -07:00
buffer_head_io.c ocfs2: clean up bh null checks 2008-01-25 15:05:48 -08:00
buffer_head_io.h [PATCH 1/2] ocfs2: Add group extend for online resize 2008-01-25 14:53:35 -08:00
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: Make high level btree extend code generic 2008-10-13 13:57:59 -07:00
dir.h ocfs2: Rename cleanups 2007-10-12 11:54:38 -07:00
dlmglue.c ocfs2: fix printk format warnings with OCFS2_FS_STATS=n 2008-07-14 13:57:14 -07:00
dlmglue.h ocfs2: Break out stackglue into modules. 2008-04-18 08:56:05 -07:00
export.c ocfs2: Silence false lockdep warnings 2008-01-25 15:05:44 -08:00
export.h exportfs: make struct export_operations const 2007-10-22 08:13:21 -07:00
extent_map.c ocfs2: fiemap support 2008-10-03 17:32:11 -04:00
extent_map.h ocfs2: fiemap support 2008-10-03 17:32:11 -04:00
file.c ocfs2: Make high level btree extend code generic 2008-10-13 13:57:59 -07:00
file.h ocfs2: Make high level btree extend code generic 2008-10-13 13:57:59 -07:00
heartbeat.c ocfs2: Move o2hb functionality into the stack glue. 2008-04-18 08:56:04 -07:00
heartbeat.h ocfs2: Move o2hb functionality into the stack glue. 2008-04-18 08:56:04 -07:00
inode.c ocfs2: POSIX file locks support 2008-10-13 13:57:57 -07:00
inode.h ocfs2: Silence false lockdep warnings 2008-01-25 15:05:44 -08:00
ioctl.c [PATCH] r/o bind mounts: elevate write count for ioctls() 2008-04-19 00:29:24 -04:00
ioctl.h ocfs2: Convert ocfs2 over to unlocked_ioctl 2008-04-18 08:56:11 -07:00
journal.c ocfs2: Fix sleep-with-spinlock recovery regression 2008-08-22 11:08:38 -07:00
journal.h ocfs2: Use ocfs2_extent_list instead of ocfs2_dinode. 2008-10-13 13:57:58 -07:00
localalloc.c ocfs2: track local alloc state via debugfs 2008-10-13 13:57:58 -07:00
localalloc.h ocfs2: throttle back local alloc when low on disk space 2008-10-13 13:57:57 -07:00
locks.c ocfs2: POSIX file locks support 2008-10-13 13:57:57 -07:00
locks.h ocfs2: POSIX file locks support 2008-10-13 13:57:57 -07:00
Makefile ocfs2: Allow selection of cluster plug-ins. 2008-04-18 08:56:07 -07:00
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: Make high level btree extend code generic 2008-10-13 13:57:59 -07:00
namei.h ocfs2: Move directory manipulation code into dir.c 2007-10-12 11:54:36 -07:00
ocfs1_fs_compat.h fs/: Spelling fixes 2008-02-03 17:33:42 +02:00
ocfs2.h ocfs2: track local alloc state via debugfs 2008-10-13 13:57:58 -07:00
ocfs2_fs.h ocfs2: Add the basic xattr disk layout in ocfs2_fs.h 2008-10-13 13:57:59 -07:00
ocfs2_lockid.h ocfs2: Change mlog_bug_on to BUG_ON in ocfs2_lockid.h 2008-04-18 08:56:07 -07:00
ocfs2_lockingver.h ocfs2: Negotiate locking protocol versions. 2008-02-06 16:11:29 -08:00
resize.c ocfs2: Fix an endian bug in online resize. 2008-03-10 15:14:07 -07:00
resize.h [PATCH 2/2] ocfs2: Implement group add for online resize 2008-01-25 15:04:24 -08:00
slot_map.c ocfs2: Abstract out node number queries. 2008-04-18 08:56:04 -07:00
slot_map.h ocfs2: De-magic the in-memory slot map. 2008-04-18 08:56:03 -07:00
stack_o2cb.c ocfs2: Remove ->hangup() from stack glue operations. 2008-06-16 10:46:52 -07:00
stack_user.c ocfs2: POSIX file locks support 2008-10-13 13:57:57 -07:00
stackglue.c ocfs2: POSIX file locks support 2008-10-13 13:57:57 -07:00
stackglue.h ocfs2: POSIX file locks support 2008-10-13 13:57:57 -07:00
suballoc.c ocfs2: Abstract ocfs2_extent_tree in b-tree operations. 2008-10-13 13:57:58 -07:00
suballoc.h ocfs2: Abstract ocfs2_extent_tree in b-tree operations. 2008-10-13 13:57:58 -07:00
super.c ocfs2: throttle back local alloc when low on disk space 2008-10-13 13:57:57 -07:00
super.h ocfs2: use s_maxbytes directly in ocfs2_change_file_space() 2007-08-09 17:25:07 -07:00
symlink.c ocfs2: Allow uid/gid/perm changes of symlinks 2008-04-30 17:09:54 -07:00
symlink.h [PATCH] mark struct inode_operations const 2 2007-02-12 09:48:46 -08:00
sysfile.c ocfs2: Silence false lockdep warnings 2008-01-25 15:05:44 -08:00
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 ocfs2: bump version number 2008-01-25 15:05:46 -08:00
ver.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00