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| author | Tao Ma <tao.ma@oracle.com> | 2009-08-18 11:19:58 +0800 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2009-09-22 20:09:28 -0700 |
| commit | 8dec98edfe9684ce00b580a09dde3dcd21ee785b (patch) | |
| tree | 3002e990974163a09ea6d427d7cf775aaca7acca /fs/ocfs2/dlmglue.h | |
| parent | a433848132d8cdfb8173745b922ddb919de11527 (diff) | |
| download | linux-stable-8dec98edfe9684ce00b580a09dde3dcd21ee785b.tar.gz linux-stable-8dec98edfe9684ce00b580a09dde3dcd21ee785b.tar.bz2 linux-stable-8dec98edfe9684ce00b580a09dde3dcd21ee785b.zip | |
ocfs2: Add new refcount tree lock resource in dlmglue.
refcount tree lock resource is used to protect refcount
tree read/write among multiple nodes.
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/dlmglue.h')
| -rw-r--r-- | fs/ocfs2/dlmglue.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h index 7553836931de..d1ce48e1b3d6 100644 --- a/fs/ocfs2/dlmglue.h +++ b/fs/ocfs2/dlmglue.h @@ -101,6 +101,9 @@ void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, struct ocfs2_mem_dqinfo; void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres, struct ocfs2_mem_dqinfo *info); +void ocfs2_refcount_lock_res_init(struct ocfs2_lock_res *lockres, + struct ocfs2_super *osb, u64 ref_blkno, + unsigned int generation); void ocfs2_lock_res_free(struct ocfs2_lock_res *res); int ocfs2_create_new_inode_locks(struct inode *inode); int ocfs2_drop_inode_locks(struct inode *inode); @@ -148,6 +151,9 @@ int ocfs2_file_lock(struct file *file, int ex, int trylock); void ocfs2_file_unlock(struct file *file); int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex); void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex); +struct ocfs2_refcount_tree; +int ocfs2_refcount_lock(struct ocfs2_refcount_tree *ref_tree, int ex); +void ocfs2_refcount_unlock(struct ocfs2_refcount_tree *ref_tree, int ex); void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres); |