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ocfs2: Pass ocfs2_caching_info to ocfs2_read_extent_block().

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extent blocks belong to btrees on more than just inodes, so we want to
pass the ocfs2_caching_info structure directly to
ocfs2_read_extent_block().  A number of places in alloc.c can now drop
struct inode from their argument list.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
This commit is contained in:
Joel Becker
2009-02-12 17:49:26 -08:00
parent d9a0a1f83b
commit 3d03a305de
5 changed files with 25 additions and 24 deletions
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38
fs/ocfs2/alloc.c
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@@ -854,13 +854,13 @@ static int ocfs2_validate_extent_block(struct super_block *sb,
return 0;
}
int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno,
int ocfs2_read_extent_block(struct ocfs2_caching_info *ci, u64 eb_blkno,
struct buffer_head **bh)
{
int rc;
struct buffer_head *tmp = *bh;
rc = ocfs2_read_block(INODE_CACHE(inode), eb_blkno, &tmp,
rc = ocfs2_read_block(ci, eb_blkno, &tmp,
ocfs2_validate_extent_block);
/* If ocfs2_read_block() got us a new bh, pass it up. */
@@ -875,7 +875,6 @@ int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno,
* How many free extents have we got before we need more meta data?
*/
int ocfs2_num_free_extents(struct ocfs2_super *osb,
struct inode *inode,
struct ocfs2_extent_tree *et)
{
int retval;
@@ -890,7 +889,8 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb,
last_eb_blk = ocfs2_et_get_last_eb_blk(et);
if (last_eb_blk) {
retval = ocfs2_read_extent_block(inode, last_eb_blk, &eb_bh);
retval = ocfs2_read_extent_block(et->et_ci, last_eb_blk,
&eb_bh);
if (retval < 0) {
mlog_errno(retval);
goto bail;
@@ -1382,7 +1382,6 @@ bail:
* return status < 0 indicates an error.
*/
static int ocfs2_find_branch_target(struct ocfs2_super *osb,
struct inode *inode,
struct ocfs2_extent_tree *et,
struct buffer_head **target_bh)
{
@@ -1401,19 +1400,21 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb,
while(le16_to_cpu(el->l_tree_depth) > 1) {
if (le16_to_cpu(el->l_next_free_rec) == 0) {
ocfs2_error(inode->i_sb, "Dinode %llu has empty "
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
"Owner %llu has empty "
"extent list (next_free_rec == 0)",
(unsigned long long)OCFS2_I(inode)->ip_blkno);
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
status = -EIO;
goto bail;
}
i = le16_to_cpu(el->l_next_free_rec) - 1;
blkno = le64_to_cpu(el->l_recs[i].e_blkno);
if (!blkno) {
ocfs2_error(inode->i_sb, "Dinode %llu has extent "
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
"Owner %llu has extent "
"list where extent # %d has no physical "
"block start",
(unsigned long long)OCFS2_I(inode)->ip_blkno, i);
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci), i);
status = -EIO;
goto bail;
}
@@ -1421,7 +1422,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb,
brelse(bh);
bh = NULL;
status = ocfs2_read_extent_block(inode, blkno, &bh);
status = ocfs2_read_extent_block(et->et_ci, blkno, &bh);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1475,7 +1476,7 @@ static int ocfs2_grow_tree(struct inode *inode, handle_t *handle,
BUG_ON(meta_ac == NULL);
shift = ocfs2_find_branch_target(osb, inode, et, &bh);
shift = ocfs2_find_branch_target(osb, et, &bh);
if (shift < 0) {
ret = shift;
mlog_errno(ret);
@@ -1780,7 +1781,7 @@ static int __ocfs2_find_path(struct inode *inode,
brelse(bh);
bh = NULL;
ret = ocfs2_read_extent_block(inode, blkno, &bh);
ret = ocfs2_read_extent_block(INODE_CACHE(inode), blkno, &bh);
if (ret) {
mlog_errno(ret);
goto out;
@@ -3032,7 +3033,8 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle,
goto out;
}
ret = ocfs2_find_cpos_for_left_leaf(inode->i_sb, path, &cpos);
ret = ocfs2_find_cpos_for_left_leaf(ocfs2_metadata_cache_get_super(et->et_ci),
path, &cpos);
if (ret) {
mlog_errno(ret);
goto out;
@@ -4557,7 +4559,7 @@ static int ocfs2_figure_insert_type(struct inode *inode,
* ocfs2_figure_insert_type() and ocfs2_add_branch()
* may want it later.
*/
ret = ocfs2_read_extent_block(inode,
ret = ocfs2_read_extent_block(et->et_ci,
ocfs2_et_get_last_eb_blk(et),
&bh);
if (ret) {
@@ -4760,7 +4762,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb,
if (mark_unwritten)
flags = OCFS2_EXT_UNWRITTEN;
free_extents = ocfs2_num_free_extents(osb, inode, et);
free_extents = ocfs2_num_free_extents(osb, et);
if (free_extents < 0) {
status = free_extents;
mlog_errno(status);
@@ -5048,7 +5050,7 @@ static int __ocfs2_mark_extent_written(struct inode *inode,
if (path->p_tree_depth) {
struct ocfs2_extent_block *eb;
ret = ocfs2_read_extent_block(inode,
ret = ocfs2_read_extent_block(et->et_ci,
ocfs2_et_get_last_eb_blk(et),
&last_eb_bh);
if (ret) {
@@ -5203,7 +5205,7 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et,
depth = path->p_tree_depth;
if (depth > 0) {
ret = ocfs2_read_extent_block(inode,
ret = ocfs2_read_extent_block(et->et_ci,
ocfs2_et_get_last_eb_blk(et),
&last_eb_bh);
if (ret < 0) {
@@ -7447,7 +7449,7 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb,
ocfs2_init_dealloc_ctxt(&(*tc)->tc_dealloc);
if (fe->id2.i_list.l_tree_depth) {
status = ocfs2_read_extent_block(inode,
status = ocfs2_read_extent_block(INODE_CACHE(inode),
le64_to_cpu(fe->i_last_eb_blk),
&last_eb_bh);
if (status < 0) {