[PATCH 23/39] ocfs2: Prefix the ocfs2_extent_tree structure.

From: Mark Fasheh
Date: Wed Sep 24 2008 - 18:14:57 EST

From: Joel Becker <joel.becker@xxxxxxxxxx>

The members of the ocfs2_extent_tree structure gain a prefix of 'et_'.
All users are updated.

Signed-off-by: Joel Becker <joel.becker@xxxxxxxxxx>
Signed-off-by: Mark Fasheh <mfasheh@xxxxxxxx>
---
fs/ocfs2/alloc.c | 118 ++++++++++++++++++++++++++++--------------------------
1 files changed, 61 insertions(+), 57 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 9fe49f2..ab16b89 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -75,28 +75,30 @@ struct ocfs2_extent_tree_operations {
};

struct ocfs2_extent_tree {
- enum ocfs2_extent_tree_type type;
- struct ocfs2_extent_tree_operations *eops;
- struct buffer_head *root_bh;
- struct ocfs2_extent_list *root_el;
- void *private;
- unsigned int max_leaf_clusters;
+ enum ocfs2_extent_tree_type et_type;
+ struct ocfs2_extent_tree_operations *et_ops;
+ struct buffer_head *et_root_bh;
+ struct ocfs2_extent_list *et_root_el;
+ void *et_private;
+ unsigned int et_max_leaf_clusters;
};

static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et,
u64 blkno)
{
- struct ocfs2_dinode *di = (struct ocfs2_dinode *)et->root_bh->b_data;
+ struct ocfs2_dinode *di =
+ (struct ocfs2_dinode *)et->et_root_bh->b_data;

- BUG_ON(et->type != OCFS2_DINODE_EXTENT);
+ BUG_ON(et->et_type != OCFS2_DINODE_EXTENT);
di->i_last_eb_blk = cpu_to_le64(blkno);
}

static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et)
{
- struct ocfs2_dinode *di = (struct ocfs2_dinode *)et->root_bh->b_data;
+ struct ocfs2_dinode *di =
+ (struct ocfs2_dinode *)et->et_root_bh->b_data;

- BUG_ON(et->type != OCFS2_DINODE_EXTENT);
+ BUG_ON(et->et_type != OCFS2_DINODE_EXTENT);
return le64_to_cpu(di->i_last_eb_blk);
}

@@ -105,7 +107,7 @@ static void ocfs2_dinode_update_clusters(struct inode *inode,
u32 clusters)
{
struct ocfs2_dinode *di =
- (struct ocfs2_dinode *)et->root_bh->b_data;
+ (struct ocfs2_dinode *)et->et_root_bh->b_data;

le32_add_cpu(&di->i_clusters, clusters);
spin_lock(&OCFS2_I(inode)->ip_lock);
@@ -119,9 +121,9 @@ static int ocfs2_dinode_sanity_check(struct inode *inode,
int ret = 0;
struct ocfs2_dinode *di;

- BUG_ON(et->type != OCFS2_DINODE_EXTENT);
+ BUG_ON(et->et_type != OCFS2_DINODE_EXTENT);

- di = (struct ocfs2_dinode *)et->root_bh->b_data;
+ di = (struct ocfs2_dinode *)et->et_root_bh->b_data;
if (!OCFS2_IS_VALID_DINODE(di)) {
ret = -EIO;
ocfs2_error(inode->i_sb,
@@ -143,7 +145,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et,
u64 blkno)
{
struct ocfs2_xattr_value_root *xv =
- (struct ocfs2_xattr_value_root *)et->private;
+ (struct ocfs2_xattr_value_root *)et->et_private;

xv->xr_last_eb_blk = cpu_to_le64(blkno);
}
@@ -151,7 +153,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et,
static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et)
{
struct ocfs2_xattr_value_root *xv =
- (struct ocfs2_xattr_value_root *) et->private;
+ (struct ocfs2_xattr_value_root *) et->et_private;

return le64_to_cpu(xv->xr_last_eb_blk);
}
@@ -161,7 +163,7 @@ static void ocfs2_xattr_value_update_clusters(struct inode *inode,
u32 clusters)
{
struct ocfs2_xattr_value_root *xv =
- (struct ocfs2_xattr_value_root *)et->private;
+ (struct ocfs2_xattr_value_root *)et->et_private;

le32_add_cpu(&xv->xr_clusters, clusters);
}
@@ -183,7 +185,7 @@ static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et,
u64 blkno)
{
struct ocfs2_xattr_block *xb =
- (struct ocfs2_xattr_block *) et->root_bh->b_data;
+ (struct ocfs2_xattr_block *) et->et_root_bh->b_data;
struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root;

xt->xt_last_eb_blk = cpu_to_le64(blkno);
@@ -192,7 +194,7 @@ static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et,
static u64 ocfs2_xattr_tree_get_last_eb_blk(struct ocfs2_extent_tree *et)
{
struct ocfs2_xattr_block *xb =
- (struct ocfs2_xattr_block *) et->root_bh->b_data;
+ (struct ocfs2_xattr_block *) et->et_root_bh->b_data;
struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root;

return le64_to_cpu(xt->xt_last_eb_blk);
@@ -203,7 +205,7 @@ static void ocfs2_xattr_tree_update_clusters(struct inode *inode,
u32 clusters)
{
struct ocfs2_xattr_block *xb =
- (struct ocfs2_xattr_block *)et->root_bh->b_data;
+ (struct ocfs2_xattr_block *)et->et_root_bh->b_data;

le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, clusters);
}
@@ -233,25 +235,26 @@ static struct ocfs2_extent_tree*
if (!et)
return NULL;

- et->type = et_type;
+ et->et_type = et_type;
get_bh(bh);
- et->root_bh = bh;
- et->private = private;
+ et->et_root_bh = bh;
+ et->et_private = private;

if (et_type == OCFS2_DINODE_EXTENT) {
- et->root_el = &((struct ocfs2_dinode *)bh->b_data)->id2.i_list;
- et->eops = &ocfs2_dinode_et_ops;
+ et->et_root_el =
+ &((struct ocfs2_dinode *)bh->b_data)->id2.i_list;
+ et->et_ops = &ocfs2_dinode_et_ops;
} else if (et_type == OCFS2_XATTR_VALUE_EXTENT) {
struct ocfs2_xattr_value_root *xv =
(struct ocfs2_xattr_value_root *) private;
- et->root_el = &xv->xr_list;
- et->eops = &ocfs2_xattr_et_ops;
+ et->et_root_el = &xv->xr_list;
+ et->et_ops = &ocfs2_xattr_et_ops;
} else if (et_type == OCFS2_XATTR_TREE_EXTENT) {
struct ocfs2_xattr_block *xb =
(struct ocfs2_xattr_block *)bh->b_data;
- et->root_el = &xb->xb_attrs.xb_root.xt_list;
- et->eops = &ocfs2_xattr_tree_et_ops;
- et->max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
+ et->et_root_el = &xb->xb_attrs.xb_root.xt_list;
+ et->et_ops = &ocfs2_xattr_tree_et_ops;
+ et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
OCFS2_MAX_XATTR_TREE_LEAF_SIZE);
}

@@ -261,7 +264,7 @@ static struct ocfs2_extent_tree*
static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et)
{
if (et) {
- brelse(et->root_bh);
+ brelse(et->et_root_bh);
kfree(et);
}
}
@@ -269,25 +272,25 @@ static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et)
static inline void ocfs2_et_set_last_eb_blk(struct ocfs2_extent_tree *et,
u64 new_last_eb_blk)
{
- et->eops->eo_set_last_eb_blk(et, new_last_eb_blk);
+ et->et_ops->eo_set_last_eb_blk(et, new_last_eb_blk);
}

static inline u64 ocfs2_et_get_last_eb_blk(struct ocfs2_extent_tree *et)
{
- return et->eops->eo_get_last_eb_blk(et);
+ return et->et_ops->eo_get_last_eb_blk(et);
}

static inline void ocfs2_et_update_clusters(struct inode *inode,
struct ocfs2_extent_tree *et,
u32 clusters)
{
- et->eops->eo_update_clusters(inode, et, clusters);
+ et->et_ops->eo_update_clusters(inode, et, clusters);
}

static inline int ocfs2_et_sanity_check(struct inode *inode,
struct ocfs2_extent_tree *et)
{
- return et->eops->eo_sanity_check(inode, et);
+ return et->et_ops->eo_sanity_check(inode, et);
}

static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc);
@@ -805,7 +808,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb,
eb = (struct ocfs2_extent_block *) eb_bh->b_data;
el = &eb->h_list;
} else
- el = et->root_el;
+ el = et->et_root_el;

/* we never add a branch to a leaf. */
BUG_ON(!el->l_tree_depth);
@@ -895,7 +898,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb,
mlog_errno(status);
goto bail;
}
- status = ocfs2_journal_access(handle, inode, et->root_bh,
+ status = ocfs2_journal_access(handle, inode, et->et_root_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
mlog_errno(status);
@@ -928,7 +931,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb,
status = ocfs2_journal_dirty(handle, *last_eb_bh);
if (status < 0)
mlog_errno(status);
- status = ocfs2_journal_dirty(handle, et->root_bh);
+ status = ocfs2_journal_dirty(handle, et->et_root_bh);
if (status < 0)
mlog_errno(status);
if (eb_bh) {
@@ -994,7 +997,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb,
}

eb_el = &eb->h_list;
- root_el = et->root_el;
+ root_el = et->et_root_el;

status = ocfs2_journal_access(handle, inode, new_eb_bh,
OCFS2_JOURNAL_ACCESS_CREATE);
@@ -1015,7 +1018,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb,
goto bail;
}

- status = ocfs2_journal_access(handle, inode, et->root_bh,
+ status = ocfs2_journal_access(handle, inode, et->et_root_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
mlog_errno(status);
@@ -1038,7 +1041,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb,
if (root_el->l_tree_depth == cpu_to_le16(1))
ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno));

- status = ocfs2_journal_dirty(handle, et->root_bh);
+ status = ocfs2_journal_dirty(handle, et->et_root_bh);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1088,7 +1091,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb,

*target_bh = NULL;

- el = et->root_el;
+ el = et->et_root_el;

while(le16_to_cpu(el->l_tree_depth) > 1) {
if (le16_to_cpu(el->l_next_free_rec) == 0) {
@@ -1140,7 +1143,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb,

/* If we didn't find one and the fe doesn't have any room,
* then return '1' */
- el = et->root_el;
+ el = et->et_root_el;
if (!lowest_bh && (el->l_next_free_rec == el->l_count))
status = 1;

@@ -1169,7 +1172,7 @@ static int ocfs2_grow_tree(struct inode *inode, handle_t *handle,
struct ocfs2_alloc_context *meta_ac)
{
int ret, shift;
- struct ocfs2_extent_list *el = et->root_el;
+ struct ocfs2_extent_list *el = et->et_root_el;
int depth = le16_to_cpu(el->l_tree_depth);
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct buffer_head *bh = NULL;
@@ -2774,7 +2777,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle,
*/
ocfs2_unlink_path(inode, handle, dealloc, path, 1);

- el = et->root_el;
+ el = et->et_root_el;
el->l_tree_depth = 0;
el->l_next_free_rec = 0;
memset(&el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec));
@@ -3907,9 +3910,9 @@ static int ocfs2_do_insert_extent(struct inode *inode,
struct ocfs2_path *left_path = NULL;
struct ocfs2_extent_list *el;

- el = et->root_el;
+ el = et->et_root_el;

- ret = ocfs2_journal_access(handle, inode, et->root_bh,
+ ret = ocfs2_journal_access(handle, inode, et->et_root_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
@@ -3921,7 +3924,7 @@ static int ocfs2_do_insert_extent(struct inode *inode,
goto out_update_clusters;
}

- right_path = ocfs2_new_path(et->root_bh, et->root_el);
+ right_path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
if (!right_path) {
ret = -ENOMEM;
mlog_errno(ret);
@@ -3971,7 +3974,7 @@ 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_journal_access(handle, inode, et->root_bh,
+ ret = ocfs2_journal_access(handle, inode, et->et_root_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
@@ -3999,7 +4002,7 @@ out_update_clusters:
ocfs2_et_update_clusters(inode, et,
le16_to_cpu(insert_rec->e_leaf_clusters));

- ret = ocfs2_journal_dirty(handle, et->root_bh);
+ ret = ocfs2_journal_dirty(handle, et->et_root_bh);
if (ret)
mlog_errno(ret);

@@ -4157,7 +4160,8 @@ static void ocfs2_figure_contig_type(struct inode *inode,
* Caller might want us to limit the size of extents, don't
* calculate contiguousness if we might exceed that limit.
*/
- if (et->max_leaf_clusters && len > et->max_leaf_clusters)
+ if (et->et_max_leaf_clusters &&
+ (len > et->et_max_leaf_clusters))
insert->ins_contig = CONTIG_NONE;
}
}
@@ -4234,7 +4238,7 @@ static int ocfs2_figure_insert_type(struct inode *inode,

insert->ins_split = SPLIT_NONE;

- el = et->root_el;
+ el = et->et_root_el;
insert->ins_tree_depth = le16_to_cpu(el->l_tree_depth);

if (el->l_tree_depth) {
@@ -4272,7 +4276,7 @@ static int ocfs2_figure_insert_type(struct inode *inode,
return 0;
}

- path = ocfs2_new_path(et->root_bh, et->root_el);
+ path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
if (!path) {
ret = -ENOMEM;
mlog_errno(ret);
@@ -4413,7 +4417,7 @@ static int ocfs2_insert_extent(struct ocfs2_super *osb,
status = ocfs2_do_insert_extent(inode, handle, et, &rec, &insert);
if (status < 0)
mlog_errno(status);
- else if (et->type == OCFS2_DINODE_EXTENT)
+ else if (et->et_type == OCFS2_DINODE_EXTENT)
ocfs2_extent_map_insert_rec(inode, &rec);

bail:
@@ -4687,7 +4691,7 @@ leftright:
*/
rec = path_leaf_el(path)->l_recs[split_index];

- rightmost_el = et->root_el;
+ rightmost_el = et->et_root_el;

depth = le16_to_cpu(rightmost_el->l_tree_depth);
if (depth) {
@@ -4930,7 +4934,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh,
if (et_type == OCFS2_DINODE_EXTENT)
ocfs2_extent_map_trunc(inode, 0);

- left_path = ocfs2_new_path(et->root_bh, et->root_el);
+ left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
if (!left_path) {
ret = -ENOMEM;
mlog_errno(ret);
@@ -5010,7 +5014,7 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et,
rightmost_el = path_leaf_el(path);

credits += path->p_tree_depth +
- ocfs2_extend_meta_needed(et->root_el);
+ ocfs2_extend_meta_needed(et->et_root_el);
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);
@@ -5223,7 +5227,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh,

ocfs2_extent_map_trunc(inode, 0);

- path = ocfs2_new_path(et->root_bh, et->root_el);
+ path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
if (!path) {
ret = -ENOMEM;
mlog_errno(ret);
--
1.5.4.5

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