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authorSteven Whitehouse <swhiteho@redhat.com>2006-05-18 22:25:27 +0200
committerSteven Whitehouse <swhiteho@redhat.com>2006-05-18 22:25:27 +0200
commit320dd101e2d595a03439adb92b319f3af53dd1d0 (patch)
tree56a88401a218622018030045fec009bafdc4ce76 /fs/gfs2/main.c
parent[GFS2] Update copyright date to 2006 (diff)
downloadlinux-320dd101e2d595a03439adb92b319f3af53dd1d0.tar.xz
linux-320dd101e2d595a03439adb92b319f3af53dd1d0.zip
[GFS2] glock debugging and inode cache changes
This adds some extra debugging to glock.c and changes inode.c's deallocation code to call the debugging code at a suitable moment. I'm chasing down a particular bug to do with deallocation at the moment and the code can go again once the bug is fixed. Also this includes the first part of some changes to unify the Linux struct inode and GFS2's struct gfs2_inode. This transformation will happen in small parts over the next short period. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/main.c')
-rw-r--r--fs/gfs2/main.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index 9ce56b5c7803..b24d0b40d965 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -23,6 +23,20 @@
#include "sys.h"
#include "util.h"
+static void gfs2_init_inode_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
+{
+ struct gfs2_inode *ip = foo;
+ if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
+ SLAB_CTOR_CONSTRUCTOR) {
+ inode_init_once(&ip->i_inode);
+ atomic_set(&ip->i_count, 0);
+ ip->i_vnode = &ip->i_inode;
+ spin_lock_init(&ip->i_spin);
+ init_rwsem(&ip->i_rw_mutex);
+ memset(ip->i_cache, 0, sizeof(ip->i_cache));
+ }
+}
+
/**
* init_gfs2_fs - Register GFS2 as a filesystem
*
@@ -49,7 +63,9 @@ static int __init init_gfs2_fs(void)
gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
sizeof(struct gfs2_inode),
- 0, 0, NULL, NULL);
+ 0, (SLAB_RECLAIM_ACCOUNT|
+ SLAB_PANIC|SLAB_MEM_SPREAD),
+ gfs2_init_inode_once, NULL);
if (!gfs2_inode_cachep)
goto fail;