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ocfs2: Store the ocfs2_caching_info on ocfs2_extent_tree. 

What do we cache?  Metadata blocks.  What are most of our non-inode metadata
blocks?  Extent blocks for our btrees.  struct ocfs2_extent_tree is the
main structure for managing those.  So let's store the associated
ocfs2_caching_info there.

This means that ocfs2_et_root_journal_access() doesn't need struct inode
anymore, and any place that has an et can refer to et->et_ci instead of
INODE_CACHE(inode).

Signed-off-by: Joel Becker <joel.becker@oracle.com>
This commit is contained in:
Joel Becker 2009-02-12 17:32:34 -08:00
parent 0cf2f7632b
commit d9a0a1f83b
2 changed files with 16 additions and 14 deletions
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26
fs/ocfs2/alloc.c
View File

@ -352,6 +352,7 @@ static void __ocfs2_init_extent_tree(struct ocfs2_extent_tree *et,
{
et->et_ops = ops;
et->et_root_bh = bh;
et->et_ci = INODE_CACHE(inode);
et->et_root_journal_access = access;
if (!obj)
obj = (void *)bh->b_data;
@ -415,11 +416,10 @@ static inline void ocfs2_et_update_clusters(struct inode *inode,
}
static inline int ocfs2_et_root_journal_access(handle_t *handle,
struct ocfs2_caching_info *ci,
struct ocfs2_extent_tree *et,
int type)
{
return et->et_root_journal_access(handle, ci, et->et_root_bh,
return et->et_root_journal_access(handle, et->et_ci, et->et_root_bh,
type);
}
@ -1209,7 +1209,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb,
mlog_errno(status);
goto bail;
}
status = ocfs2_et_root_journal_access(handle, INODE_CACHE(inode), et,
status = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
mlog_errno(status);
@ -1325,7 +1325,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb,
goto bail;
}
status = ocfs2_et_root_journal_access(handle, INODE_CACHE(inode), et,
status = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
mlog_errno(status);
@ -2674,7 +2674,7 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle,
* We have to update i_last_eb_blk during the meta
* data delete.
*/
ret = ocfs2_et_root_journal_access(handle, INODE_CACHE(inode), et,
ret = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
@ -3026,7 +3026,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle,
goto out;
}
ret = ocfs2_journal_access_path(INODE_CACHE(inode), handle, path);
ret = ocfs2_journal_access_path(et->et_ci, handle, path);
if (ret) {
mlog_errno(ret);
goto out;
@ -3056,7 +3056,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle,
goto out;
}
ret = ocfs2_journal_access_path(INODE_CACHE(inode), handle, left_path);
ret = ocfs2_journal_access_path(et->et_ci, handle, left_path);
if (ret) {
mlog_errno(ret);
goto out;
@ -4212,7 +4212,7 @@ static int ocfs2_do_insert_extent(struct inode *inode,
el = et->et_root_el;
ret = ocfs2_et_root_journal_access(handle, INODE_CACHE(inode), et,
ret = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
@ -4274,7 +4274,7 @@ static int ocfs2_do_insert_extent(struct inode *inode,
* ocfs2_rotate_tree_right() might have extended the
* transaction without re-journaling our tree root.
*/
ret = ocfs2_et_root_journal_access(handle, INODE_CACHE(inode), et,
ret = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
@ -4797,7 +4797,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb,
BUG_ON(num_bits > clusters_to_add);
/* reserve our write early -- insert_extent may update the tree root */
status = ocfs2_et_root_journal_access(handle, INODE_CACHE(inode), et,
status = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
mlog_errno(status);
@ -5334,13 +5334,13 @@ static int ocfs2_truncate_rec(struct inode *inode, handle_t *handle,
goto out;
}
ret = ocfs2_journal_access_path(INODE_CACHE(inode), handle, path);
ret = ocfs2_journal_access_path(et->et_ci, handle, path);
if (ret) {
mlog_errno(ret);
goto out;
}
ret = ocfs2_journal_access_path(INODE_CACHE(inode), handle, left_path);
ret = ocfs2_journal_access_path(et->et_ci, handle, left_path);
if (ret) {
mlog_errno(ret);
goto out;
@ -5575,7 +5575,7 @@ int ocfs2_remove_btree_range(struct inode *inode,
goto out;
}
ret = ocfs2_et_root_journal_access(handle, INODE_CACHE(inode), et,
ret = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);

4
fs/ocfs2/alloc.h
View File

@ -45,7 +45,8 @@
*
* ocfs2_extent_tree contains info for the root of the b-tree, it must have a
* root ocfs2_extent_list and a root_bh so that they can be used in the b-tree
* functions. With metadata ecc, we now call different journal_access
* functions. It needs the ocfs2_caching_info structure associated with
* I/O on the tree. With metadata ecc, we now call different journal_access
* functions for each type of metadata, so it must have the
* root_journal_access function.
* ocfs2_extent_tree_operations abstract the normal operations we do for
@ -56,6 +57,7 @@ struct ocfs2_extent_tree {
struct ocfs2_extent_tree_operations *et_ops;
struct buffer_head *et_root_bh;
struct ocfs2_extent_list *et_root_el;
struct ocfs2_caching_info *et_ci;
ocfs2_journal_access_func et_root_journal_access;
void *et_object;
unsigned int et_max_leaf_clusters;