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| author | Tao Ma <tao.ma@oracle.com> | 2009-08-24 05:12:02 +0200 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2009-09-23 05:09:30 +0200 |
| commit | 8bf396de984e68491569b49770e4fd7aca40ba65 (patch) | |
| tree | 1c755fa7af20e14722378df729201e6f8497fadb /fs/ocfs2/journal.h | |
| parent | ocfs2: Add refcount tree lock mechanism. (diff) | |
| download | linux-8bf396de984e68491569b49770e4fd7aca40ba65.tar.xz linux-8bf396de984e68491569b49770e4fd7aca40ba65.zip | |
ocfs2: Basic tree root operation.
Add basic refcount tree root operation.
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/journal.h')
| -rw-r--r-- | fs/ocfs2/journal.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index b2dc125c6e9a..bd88c8b9f2fb 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -490,6 +490,20 @@ static inline int ocfs2_calc_dxi_expand_credits(struct super_block *sb) return credits; } +/* inode update, new refcount block and its allocation credits. */ +#define OCFS2_REFCOUNT_TREE_CREATE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1 \ + + OCFS2_SUBALLOC_ALLOC) + +/* inode and the refcount block update. */ +#define OCFS2_REFCOUNT_TREE_SET_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) + +/* + * inode and the refcount block update. + * It doesn't include the credits for sub alloc change. + * So if we need to free the bit, OCFS2_SUBALLOC_FREE needs to be added. + */ +#define OCFS2_REFCOUNT_TREE_REMOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) + /* * Please note that the caller must make sure that root_el is the root * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise |