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authorJeff Mahoney <jeffm@suse.com>2009-03-30 14:02:48 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 12:16:40 -0700
commita063ae17925cafabe55ebe1957ca0e8c480bd132 (patch)
tree85d8797ec51124d33398a15a5a8d5a6b81e3a36f /fs
parent995c762ea486b48c9777522071fbf132dea96807 (diff)
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reiserfs: rename p_s_tb to tb
This patch is a simple s/p_s_tb/tb/g to the reiserfs code. This is the fourth in a series of patches to rip out some of the awful variable naming in reiserfs. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/reiserfs/fix_node.c482
-rw-r--r--fs/reiserfs/stree.c21
2 files changed, 253 insertions, 250 deletions
diff --git a/fs/reiserfs/fix_node.c b/fs/reiserfs/fix_node.c
index ad42c45af44f..5236a8829e31 100644
--- a/fs/reiserfs/fix_node.c
+++ b/fs/reiserfs/fix_node.c
@@ -749,26 +749,26 @@ else \
-1, -1);\
}
-static void free_buffers_in_tb(struct tree_balance *p_s_tb)
+static void free_buffers_in_tb(struct tree_balance *tb)
{
int n_counter;
- pathrelse(p_s_tb->tb_path);
+ pathrelse(tb->tb_path);
for (n_counter = 0; n_counter < MAX_HEIGHT; n_counter++) {
- brelse(p_s_tb->L[n_counter]);
- brelse(p_s_tb->R[n_counter]);
- brelse(p_s_tb->FL[n_counter]);
- brelse(p_s_tb->FR[n_counter]);
- brelse(p_s_tb->CFL[n_counter]);
- brelse(p_s_tb->CFR[n_counter]);
-
- p_s_tb->L[n_counter] = NULL;
- p_s_tb->R[n_counter] = NULL;
- p_s_tb->FL[n_counter] = NULL;
- p_s_tb->FR[n_counter] = NULL;
- p_s_tb->CFL[n_counter] = NULL;
- p_s_tb->CFR[n_counter] = NULL;
+ brelse(tb->L[n_counter]);
+ brelse(tb->R[n_counter]);
+ brelse(tb->FL[n_counter]);
+ brelse(tb->FR[n_counter]);
+ brelse(tb->CFL[n_counter]);
+ brelse(tb->CFR[n_counter]);
+
+ tb->L[n_counter] = NULL;
+ tb->R[n_counter] = NULL;
+ tb->FL[n_counter] = NULL;
+ tb->FR[n_counter] = NULL;
+ tb->CFL[n_counter] = NULL;
+ tb->CFR[n_counter] = NULL;
}
}
@@ -778,14 +778,14 @@ static void free_buffers_in_tb(struct tree_balance *p_s_tb)
* NO_DISK_SPACE - no disk space.
*/
/* The function is NOT SCHEDULE-SAFE! */
-static int get_empty_nodes(struct tree_balance *p_s_tb, int n_h)
+static int get_empty_nodes(struct tree_balance *tb, int n_h)
{
struct buffer_head *p_s_new_bh,
- *p_s_Sh = PATH_H_PBUFFER(p_s_tb->tb_path, n_h);
+ *p_s_Sh = PATH_H_PBUFFER(tb->tb_path, n_h);
b_blocknr_t *p_n_blocknr, a_n_blocknrs[MAX_AMOUNT_NEEDED] = { 0, };
int n_counter, n_number_of_freeblk, n_amount_needed, /* number of needed empty blocks */
n_retval = CARRY_ON;
- struct super_block *sb = p_s_tb->tb_sb;
+ struct super_block *sb = tb->tb_sb;
/* number_of_freeblk is the number of empty blocks which have been
acquired for use by the balancing algorithm minus the number of
@@ -803,15 +803,15 @@ static int get_empty_nodes(struct tree_balance *p_s_tb, int n_h)
the analysis or 0 if not restarted, then subtract the amount needed
by all of the levels of the tree below n_h. */
/* blknum includes S[n_h], so we subtract 1 in this calculation */
- for (n_counter = 0, n_number_of_freeblk = p_s_tb->cur_blknum;
+ for (n_counter = 0, n_number_of_freeblk = tb->cur_blknum;
n_counter < n_h; n_counter++)
n_number_of_freeblk -=
- (p_s_tb->blknum[n_counter]) ? (p_s_tb->blknum[n_counter] -
+ (tb->blknum[n_counter]) ? (tb->blknum[n_counter] -
1) : 0;
/* Allocate missing empty blocks. */
/* if p_s_Sh == 0 then we are getting a new root */
- n_amount_needed = (p_s_Sh) ? (p_s_tb->blknum[n_h] - 1) : 1;
+ n_amount_needed = (p_s_Sh) ? (tb->blknum[n_h] - 1) : 1;
/* Amount_needed = the amount that we need more than the amount that we have. */
if (n_amount_needed > n_number_of_freeblk)
n_amount_needed -= n_number_of_freeblk;
@@ -819,7 +819,7 @@ static int get_empty_nodes(struct tree_balance *p_s_tb, int n_h)
return CARRY_ON;
/* No need to check quota - is not allocated for blocks used for formatted nodes */
- if (reiserfs_new_form_blocknrs(p_s_tb, a_n_blocknrs,
+ if (reiserfs_new_form_blocknrs(tb, a_n_blocknrs,
n_amount_needed) == NO_DISK_SPACE)
return NO_DISK_SPACE;
@@ -838,14 +838,14 @@ static int get_empty_nodes(struct tree_balance *p_s_tb, int n_h)
p_s_new_bh);
/* Put empty buffers into the array. */
- RFALSE(p_s_tb->FEB[p_s_tb->cur_blknum],
+ RFALSE(tb->FEB[tb->cur_blknum],
"PAP-8141: busy slot for new buffer");
set_buffer_journal_new(p_s_new_bh);
- p_s_tb->FEB[p_s_tb->cur_blknum++] = p_s_new_bh;
+ tb->FEB[tb->cur_blknum++] = p_s_new_bh;
}
- if (n_retval == CARRY_ON && FILESYSTEM_CHANGED_TB(p_s_tb))
+ if (n_retval == CARRY_ON && FILESYSTEM_CHANGED_TB(tb))
n_retval = REPEAT_SEARCH;
return n_retval;
@@ -896,33 +896,34 @@ static int get_rfree(struct tree_balance *tb, int h)
}
/* Check whether left neighbor is in memory. */
-static int is_left_neighbor_in_cache(struct tree_balance *p_s_tb, int n_h)
+static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h)
{
struct buffer_head *p_s_father, *left;
- struct super_block *sb = p_s_tb->tb_sb;
+ struct super_block *sb = tb->tb_sb;
b_blocknr_t n_left_neighbor_blocknr;
int n_left_neighbor_position;
- if (!p_s_tb->FL[n_h]) /* Father of the left neighbor does not exist. */
+ /* Father of the left neighbor does not exist. */
+ if (!tb->FL[n_h])
return 0;
/* Calculate father of the node to be balanced. */
- p_s_father = PATH_H_PBUFFER(p_s_tb->tb_path, n_h + 1);
+ p_s_father = PATH_H_PBUFFER(tb->tb_path, n_h + 1);
RFALSE(!p_s_father ||
!B_IS_IN_TREE(p_s_father) ||
- !B_IS_IN_TREE(p_s_tb->FL[n_h]) ||
+ !B_IS_IN_TREE(tb->FL[n_h]) ||
!buffer_uptodate(p_s_father) ||
- !buffer_uptodate(p_s_tb->FL[n_h]),
+ !buffer_uptodate(tb->FL[n_h]),
"vs-8165: F[h] (%b) or FL[h] (%b) is invalid",
- p_s_father, p_s_tb->FL[n_h]);
+ p_s_father, tb->FL[n_h]);
/* Get position of the pointer to the left neighbor into the left father. */
- n_left_neighbor_position = (p_s_father == p_s_tb->FL[n_h]) ?
- p_s_tb->lkey[n_h] : B_NR_ITEMS(p_s_tb->FL[n_h]);
+ n_left_neighbor_position = (p_s_father == tb->FL[n_h]) ?
+ tb->lkey[n_h] : B_NR_ITEMS(tb->FL[n_h]);
/* Get left neighbor block number. */
n_left_neighbor_blocknr =
- B_N_CHILD_NUM(p_s_tb->FL[n_h], n_left_neighbor_position);
+ B_N_CHILD_NUM(tb->FL[n_h], n_left_neighbor_position);
/* Look for the left neighbor in the cache. */
if ((left = sb_find_get_block(sb, n_left_neighbor_blocknr))) {
@@ -953,14 +954,14 @@ static void decrement_key(struct cpu_key *p_s_key)
SCHEDULE_OCCURRED - schedule occurred while the function worked;
* CARRY_ON - schedule didn't occur while the function worked;
*/
-static int get_far_parent(struct tree_balance *p_s_tb,
+static int get_far_parent(struct tree_balance *tb,
int n_h,
struct buffer_head **pp_s_father,
struct buffer_head **pp_s_com_father, char c_lr_par)
{
struct buffer_head *p_s_parent;
INITIALIZE_PATH(s_path_to_neighbor_father);
- struct treepath *p_s_path = p_s_tb->tb_path;
+ struct treepath *p_s_path = tb->tb_path;
struct cpu_key s_lr_father_key;
int n_counter,
n_position = INT_MAX,
@@ -1005,9 +1006,9 @@ static int get_far_parent(struct tree_balance *p_s_tb,
if (n_counter == FIRST_PATH_ELEMENT_OFFSET) {
/* Check whether first buffer in the path is the root of the tree. */
if (PATH_OFFSET_PBUFFER
- (p_s_tb->tb_path,
+ (tb->tb_path,
FIRST_PATH_ELEMENT_OFFSET)->b_blocknr ==
- SB_ROOT_BLOCK(p_s_tb->tb_sb)) {
+ SB_ROOT_BLOCK(tb->tb_sb)) {
*pp_s_father = *pp_s_com_father = NULL;
return CARRY_ON;
}
@@ -1022,7 +1023,7 @@ static int get_far_parent(struct tree_balance *p_s_tb,
if (buffer_locked(*pp_s_com_father)) {
__wait_on_buffer(*pp_s_com_father);
- if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
+ if (FILESYSTEM_CHANGED_TB(tb)) {
brelse(*pp_s_com_father);
return REPEAT_SEARCH;
}
@@ -1035,9 +1036,9 @@ static int get_far_parent(struct tree_balance *p_s_tb,
le_key2cpu_key(&s_lr_father_key,
B_N_PDELIM_KEY(*pp_s_com_father,
(c_lr_par ==
- LEFT_PARENTS) ? (p_s_tb->lkey[n_h - 1] =
+ LEFT_PARENTS) ? (tb->lkey[n_h - 1] =
n_position -
- 1) : (p_s_tb->rkey[n_h -
+ 1) : (tb->rkey[n_h -
1] =
n_position)));
@@ -1045,12 +1046,12 @@ static int get_far_parent(struct tree_balance *p_s_tb,
decrement_key(&s_lr_father_key);
if (search_by_key
- (p_s_tb->tb_sb, &s_lr_father_key, &s_path_to_neighbor_father,
+ (tb->tb_sb, &s_lr_father_key, &s_path_to_neighbor_father,
n_h + 1) == IO_ERROR)
// path is released
return IO_ERROR;
- if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
+ if (FILESYSTEM_CHANGED_TB(tb)) {
pathrelse(&s_path_to_neighbor_father);
brelse(*pp_s_com_father);
return REPEAT_SEARCH;
@@ -1075,24 +1076,26 @@ static int get_far_parent(struct tree_balance *p_s_tb,
* Returns: SCHEDULE_OCCURRED - schedule occurred while the function worked;
* CARRY_ON - schedule didn't occur while the function worked;
*/
-static int get_parents(struct tree_balance *p_s_tb, int n_h)
+static int get_parents(struct tree_balance *tb, int n_h)
{
- struct treepath *p_s_path = p_s_tb->tb_path;
+ struct treepath *p_s_path = tb->tb_path;
int n_position,
n_ret_value,
- n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h);
+ n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h);
struct buffer_head *p_s_curf, *p_s_curcf;
/* Current node is the root of the tree or will be root of the tree */
if (n_path_offset <= FIRST_PATH_ELEMENT_OFFSET) {
/* The root can not have parents.
Release nodes which previously were obtained as parents of the current node neighbors. */
- brelse(p_s_tb->FL[n_h]);
- brelse(p_s_tb->CFL[n_h]);
- brelse(p_s_tb->FR[n_h]);
- brelse(p_s_tb->CFR[n_h]);
- p_s_tb->FL[n_h] = p_s_tb->CFL[n_h] = p_s_tb->FR[n_h] =
- p_s_tb->CFR[n_h] = NULL;
+ brelse(tb->FL[n_h]);
+ brelse(tb->CFL[n_h]);
+ brelse(tb->FR[n_h]);
+ brelse(tb->CFR[n_h]);
+ tb->FL[n_h] = NULL;
+ tb->CFL[n_h] = NULL;
+ tb->FR[n_h] = NULL;
+ tb->CFR[n_h] = NULL;
return CARRY_ON;
}
@@ -1104,22 +1107,22 @@ static int get_parents(struct tree_balance *p_s_tb, int n_h)
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1);
get_bh(p_s_curf);
get_bh(p_s_curf);
- p_s_tb->lkey[n_h] = n_position - 1;
+ tb->lkey[n_h] = n_position - 1;
} else {
/* Calculate current parent of L[n_path_offset], which is the left neighbor of the current node.
Calculate current common parent of L[n_path_offset] and the current node. Note that
CFL[n_path_offset] not equal FL[n_path_offset] and CFL[n_path_offset] not equal F[n_path_offset].
Calculate lkey[n_path_offset]. */
- if ((n_ret_value = get_far_parent(p_s_tb, n_h + 1, &p_s_curf,
+ if ((n_ret_value = get_far_parent(tb, n_h + 1, &p_s_curf,
&p_s_curcf,
LEFT_PARENTS)) != CARRY_ON)
return n_ret_value;
}
- brelse(p_s_tb->FL[n_h]);
- p_s_tb->FL[n_h] = p_s_curf; /* New initialization of FL[n_h]. */
- brelse(p_s_tb->CFL[n_h]);
- p_s_tb->CFL[n_h] = p_s_curcf; /* New initialization of CFL[n_h]. */
+ brelse(tb->FL[n_h]);
+ tb->FL[n_h] = p_s_curf; /* New initialization of FL[n_h]. */
+ brelse(tb->CFL[n_h]);
+ tb->CFL[n_h] = p_s_curcf; /* New initialization of CFL[n_h]. */
RFALSE((p_s_curf && !B_IS_IN_TREE(p_s_curf)) ||
(p_s_curcf && !B_IS_IN_TREE(p_s_curcf)),
@@ -1133,7 +1136,7 @@ static int get_parents(struct tree_balance *p_s_tb, int n_h)
Calculate current common parent of R[n_h] and current node. Note that CFR[n_h]
not equal FR[n_path_offset] and CFR[n_h] not equal F[n_h]. */
if ((n_ret_value =
- get_far_parent(p_s_tb, n_h + 1, &p_s_curf, &p_s_curcf,
+ get_far_parent(tb, n_h + 1, &p_s_curf, &p_s_curcf,
RIGHT_PARENTS)) != CARRY_ON)
return n_ret_value;
} else {
@@ -1143,14 +1146,16 @@ static int get_parents(struct tree_balance *p_s_tb, int n_h)
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1);
get_bh(p_s_curf);
get_bh(p_s_curf);
- p_s_tb->rkey[n_h] = n_position;
+ tb->rkey[n_h] = n_position;
}
- brelse(p_s_tb->FR[n_h]);
- p_s_tb->FR[n_h] = p_s_curf; /* New initialization of FR[n_path_offset]. */
+ brelse(tb->FR[n_h]);
+ /* New initialization of FR[n_path_offset]. */
+ tb->FR[n_h] = p_s_curf;
- brelse(p_s_tb->CFR[n_h]);
- p_s_tb->CFR[n_h] = p_s_curcf; /* New initialization of CFR[n_path_offset]. */
+ brelse(tb->CFR[n_h]);
+ /* New initialization of CFR[n_path_offset]. */
+ tb->CFR[n_h] = p_s_curcf;
RFALSE((p_s_curf && !B_IS_IN_TREE(p_s_curf)) ||
(p_s_curcf && !B_IS_IN_TREE(p_s_curcf)),
@@ -1885,12 +1890,12 @@ static int check_balance(int mode,
}
/* Check whether parent at the path is the really parent of the current node.*/
-static int get_direct_parent(struct tree_balance *p_s_tb, int n_h)
+static int get_direct_parent(struct tree_balance *tb, int n_h)
{
struct buffer_head *bh;
- struct treepath *p_s_path = p_s_tb->tb_path;
+ struct treepath *p_s_path = tb->tb_path;
int n_position,
- n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h);
+ n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h);
/* We are in the root or in the new root. */
if (n_path_offset <= FIRST_PATH_ELEMENT_OFFSET) {
@@ -1899,7 +1904,7 @@ static int get_direct_parent(struct tree_balance *p_s_tb, int n_h)
"PAP-8260: invalid offset in the path");
if (PATH_OFFSET_PBUFFER(p_s_path, FIRST_PATH_ELEMENT_OFFSET)->
- b_blocknr == SB_ROOT_BLOCK(p_s_tb->tb_sb)) {
+ b_blocknr == SB_ROOT_BLOCK(tb->tb_sb)) {
/* Root is not changed. */
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1) = NULL;
PATH_OFFSET_POSITION(p_s_path, n_path_offset - 1) = 0;
@@ -1924,7 +1929,7 @@ static int get_direct_parent(struct tree_balance *p_s_tb, int n_h)
if (buffer_locked(bh)) {
__wait_on_buffer(bh);
- if (FILESYSTEM_CHANGED_TB(p_s_tb))
+ if (FILESYSTEM_CHANGED_TB(tb))
return REPEAT_SEARCH;
}
@@ -1937,85 +1942,86 @@ static int get_direct_parent(struct tree_balance *p_s_tb, int n_h)
* Returns: SCHEDULE_OCCURRED - schedule occurred while the function worked;
* CARRY_ON - schedule didn't occur while the function worked;
*/
-static int get_neighbors(struct tree_balance *p_s_tb, int n_h)
+static int get_neighbors(struct tree_balance *tb, int n_h)
{
int n_child_position,
- n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h + 1);
+ n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h + 1);
unsigned long n_son_number;
- struct super_block *sb = p_s_tb->tb_sb;
+ struct super_block *sb = tb->tb_sb;
struct buffer_head *bh;
PROC_INFO_INC(sb, get_neighbors[n_h]);
- if (p_s_tb->lnum[n_h]) {
+ if (tb->lnum[n_h]) {
/* We need left neighbor to balance S[n_h]. */
PROC_INFO_INC(sb, need_l_neighbor[n_h]);
- bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset);
+ bh = PATH_OFFSET_PBUFFER(tb->tb_path, n_path_offset);
- RFALSE(bh == p_s_tb->FL[n_h] &&
- !PATH_OFFSET_POSITION(p_s_tb->tb_path, n_path_offset),
+ RFALSE(bh == tb->FL[n_h] &&
+ !PATH_OFFSET_POSITION(tb->tb_path, n_path_offset),
"PAP-8270: invalid position in the parent");
n_child_position =
(bh ==
- p_s_tb->FL[n_h]) ? p_s_tb->lkey[n_h] : B_NR_ITEMS(p_s_tb->
+ tb->FL[n_h]) ? tb->lkey[n_h] : B_NR_ITEMS(tb->
FL[n_h]);
- n_son_number = B_N_CHILD_NUM(p_s_tb->FL[n_h], n_child_position);
+ n_son_number = B_N_CHILD_NUM(tb->FL[n_h], n_child_position);
bh = sb_bread(sb, n_son_number);
if (!bh)
return IO_ERROR;
- if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
+ if (FILESYSTEM_CHANGED_TB(tb)) {
brelse(bh);
PROC_INFO_INC(sb, get_neighbors_restart[n_h]);
return REPEAT_SEARCH;
}
- RFALSE(!B_IS_IN_TREE(p_s_tb->FL[n_h]) ||
- n_child_position > B_NR_ITEMS(p_s_tb->FL[n_h]) ||
- B_N_CHILD_NUM(p_s_tb->FL[n_h], n_child_position) !=
+ RFALSE(!B_IS_IN_TREE(tb->FL[n_h]) ||
+ n_child_position > B_NR_ITEMS(tb->FL[n_h]) ||
+ B_N_CHILD_NUM(tb->FL[n_h], n_child_position) !=
bh->b_blocknr, "PAP-8275: invalid parent");
RFALSE(!B_IS_IN_TREE(bh), "PAP-8280: invalid child");
RFALSE(!n_h &&
B_FREE_SPACE(bh) !=
MAX_CHILD_SIZE(bh) -
- dc_size(B_N_CHILD(p_s_tb->FL[0], n_child_position)),
+ dc_size(B_N_CHILD(tb->FL[0], n_child_position)),
"PAP-8290: invalid child size of left neighbor");
- brelse(p_s_tb->L[n_h]);
- p_s_tb->L[n_h] = bh;
+ brelse(tb->L[n_h]);
+ tb->L[n_h] = bh;
}
- if (p_s_tb->rnum[n_h]) { /* We need right neighbor to balance S[n_path_offset]. */
+ /* We need right neighbor to balance S[n_path_offset]. */
+ if (tb->rnum[n_h]) {
PROC_INFO_INC(sb, need_r_neighbor[n_h]);
- bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset);
+ bh = PATH_OFFSET_PBUFFER(tb->tb_path, n_path_offset);
- RFALSE(bh == p_s_tb->FR[n_h] &&
- PATH_OFFSET_POSITION(p_s_tb->tb_path,
+ RFALSE(bh == tb->FR[n_h] &&
+ PATH_OFFSET_POSITION(tb->tb_path,
n_path_offset) >=
B_NR_ITEMS(bh),
"PAP-8295: invalid position in the parent");
n_child_position =
- (bh == p_s_tb->FR[n_h]) ? p_s_tb->rkey[n_h] + 1 : 0;
- n_son_number = B_N_CHILD_NUM(p_s_tb->FR[n_h], n_child_position);
+ (bh == tb->FR[n_h]) ? tb->rkey[n_h] + 1 : 0;
+ n_son_number = B_N_CHILD_NUM(tb->FR[n_h], n_child_position);
bh = sb_bread(sb, n_son_number);
if (!bh)
return IO_ERROR;
- if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
+ if (FILESYSTEM_CHANGED_TB(tb)) {
brelse(bh);
PROC_INFO_INC(sb, get_neighbors_restart[n_h]);
return REPEAT_SEARCH;
}
- brelse(p_s_tb->R[n_h]);
- p_s_tb->R[n_h] = bh;
+ brelse(tb->R[n_h]);
+ tb->R[n_h] = bh;
RFALSE(!n_h
&& B_FREE_SPACE(bh) !=
MAX_CHILD_SIZE(bh) -
- dc_size(B_N_CHILD(p_s_tb->FR[0], n_child_position)),
+ dc_size(B_N_CHILD(tb->FR[0], n_child_position)),
"PAP-8300: invalid child size of right neighbor (%d != %d - %d)",
B_FREE_SPACE(bh), MAX_CHILD_SIZE(bh),
- dc_size(B_N_CHILD(p_s_tb->FR[0], n_child_position)));
+ dc_size(B_N_CHILD(tb->FR[0], n_child_position)));
}
return CARRY_ON;
@@ -2139,7 +2145,7 @@ static int clear_all_dirty_bits(struct super_block *s, struct buffer_head *bh)
return reiserfs_prepare_for_journal(s, bh, 0);
}
-static int wait_tb_buffers_until_unlocked(struct tree_balance *p_s_tb)
+static int wait_tb_buffers_until_unlocked(struct tree_balance *tb)
{
struct buffer_head *locked;
#ifdef CONFIG_REISERFS_CHECK
@@ -2151,95 +2157,94 @@ static int wait_tb_buffers_until_unlocked(struct tree_balance *p_s_tb)
locked = NULL;
- for (i = p_s_tb->tb_path->path_length;
+ for (i = tb->tb_path->path_length;
!locked && i > ILLEGAL_PATH_ELEMENT_OFFSET; i--) {
- if (PATH_OFFSET_PBUFFER(p_s_tb->tb_path, i)) {
+ if (PATH_OFFSET_PBUFFER(tb->tb_path, i)) {
/* if I understand correctly, we can only be sure the last buffer
** in the path is in the tree --clm
*/
#ifdef CONFIG_REISERFS_CHECK
- if (PATH_PLAST_BUFFER(p_s_tb->tb_path) ==
- PATH_OFFSET_PBUFFER(p_s_tb->tb_path, i)) {
- tb_buffer_sanity_check(p_s_tb->tb_sb,
+ if (PATH_PLAST_BUFFER(tb->tb_path) ==
+ PATH_OFFSET_PBUFFER(tb->tb_path, i))
+ tb_buffer_sanity_check(tb->tb_sb,
PATH_OFFSET_PBUFFER
- (p_s_tb->tb_path,
+ (tb->tb_path,
i), "S",
- p_s_tb->tb_path->
+ tb->tb_path->
path_length - i);
- }
#endif
- if (!clear_all_dirty_bits(p_s_tb->tb_sb,
+ if (!clear_all_dirty_bits(tb->tb_sb,
PATH_OFFSET_PBUFFER
- (p_s_tb->tb_path,
+ (tb->tb_path,
i))) {
locked =
- PATH_OFFSET_PBUFFER(p_s_tb->tb_path,
+ PATH_OFFSET_PBUFFER(tb->tb_path,
i);
}
}
}
- for (i = 0; !locked && i < MAX_HEIGHT && p_s_tb->insert_size[i];
+ for (i = 0; !locked && i < MAX_HEIGHT && tb->insert_size[i];
i++) {
- if (p_s_tb->lnum[i]) {
+ if (tb->lnum[i]) {
- if (p_s_tb->L[i]) {
- tb_buffer_sanity_check(p_s_tb->tb_sb,
- p_s_tb->L[i],
+ if (tb->L[i]) {
+ tb_buffer_sanity_check(tb->tb_sb,
+ tb->L[i],
"L", i);
if (!clear_all_dirty_bits
- (p_s_tb->tb_sb, p_s_tb->L[i]))
- locked = p_s_tb->L[i];
+ (tb->tb_sb, tb->L[i]))
+ locked = tb->L[i];
}
- if (!locked && p_s_tb->FL[i]) {
- tb_buffer_sanity_check(p_s_tb->tb_sb,
- p_s_tb->FL[i],
+ if (!locked && tb->FL[i]) {
+ tb_buffer_sanity_check(tb->tb_sb,
+ tb->FL[i],
"FL", i);
if (!clear_all_dirty_bits
- (p_s_tb->tb_sb, p_s_tb->FL[i]))
- locked = p_s_tb->FL[i];
+ (tb->tb_sb, tb->FL[i]))
+ locked = tb->FL[i];
}
- if (!locked && p_s_tb->CFL[i]) {
- tb_buffer_sanity_check(p_s_tb->tb_sb,
- p_s_tb->CFL[i],
+ if (!locked && tb->CFL[i]) {
+ tb_buffer_sanity_check(tb->tb_sb,
+ tb->CFL[i],
"CFL", i);
if (!clear_all_dirty_bits
- (p_s_tb->tb_sb, p_s_tb->CFL[i]))
- locked = p_s_tb->CFL[i];
+ (tb->tb_sb, tb->CFL[i]))
+ locked = tb->CFL[i];
}
}
- if (!locked && (p_s_tb->rnum[i])) {
+ if (!locked && (tb->rnum[i])) {
- if (p_s_tb->R[i]) {
- tb_buffer_sanity_check(p_s_tb->tb_sb,
- p_s_tb->R[i],
+ if (tb->R[i]) {
+ tb_buffer_sanity_check(tb->tb_sb,
+ tb->R[i],
"R", i);
if (!clear_all_dirty_bits
- (p_s_tb->tb_sb, p_s_tb->R[i]))
- locked = p_s_tb->R[i];
+ (tb->tb_sb, tb->R[i]))
+ locked = tb->R[i];
}
- if (!locked && p_s_tb->FR[i]) {
- tb_buffer_sanity_check(p_s_tb->tb_sb,
- p_s_tb->FR[i],
+ if (!locked && tb->FR[i]) {
+ tb_buffer_sanity_check(tb->tb_sb,
+ tb->FR[i],
"FR", i);
if (!clear_all_dirty_bits
- (p_s_tb->tb_sb, p_s_tb->FR[i]))
- locked = p_s_tb->FR[i];
+ (tb->tb_sb, tb->FR[i]))
+ locked = tb->FR[i];
}
- if (!locked && p_s_tb->CFR[i]) {
- tb_buffer_sanity_check(p_s_tb->tb_sb,
- p_s_tb->CFR[i],
+ if (!locked && tb->CFR[i]) {
+ tb_buffer_sanity_check(tb->tb_sb,
+ tb->CFR[i],
"CFR", i);
if (!clear_all_dirty_bits
- (p_s_tb->tb_sb, p_s_tb->CFR[i]))
- locked = p_s_tb->CFR[i];
+ (tb->tb_sb, tb->CFR[i]))
+ locked = tb->CFR[i];
}
}
}
@@ -2252,10 +2257,10 @@ static int wait_tb_buffers_until_unlocked(struct tree_balance *p_s_tb)
** --clm
*/
for (i = 0; !locked && i < MAX_FEB_SIZE; i++) {
- if (p_s_tb->FEB[i]) {
+ if (tb->FEB[i]) {
if (!clear_all_dirty_bits
- (p_s_tb->tb_sb, p_s_tb->FEB[i]))
- locked = p_s_tb->FEB[i];
+ (tb->tb_sb, tb->FEB[i]))
+ locked = tb->FEB[i];
}
}
@@ -2263,21 +2268,20 @@ static int wait_tb_buffers_until_unlocked(struct tree_balance *p_s_tb)
#ifdef CONFIG_REISERFS_CHECK
repeat_counter++;
if ((repeat_counter % 10000) == 0) {
- reiserfs_warning(p_s_tb->tb_sb, "reiserfs-8200",
+ reiserfs_warning(tb->tb_sb, "reiserfs-8200",
"too many iterations waiting "
"for buffer to unlock "
"(%b)", locked);
/* Don't loop forever. Try to recover from possible error. */
- return (FILESYSTEM_CHANGED_TB(p_s_tb)) ?
+ return (FILESYSTEM_CHANGED_TB(tb)) ?
REPEAT_SEARCH : CARRY_ON;
}
#endif
__wait_on_buffer(locked);
- if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
+ if (FILESYSTEM_CHANGED_TB(tb))
return REPEAT_SEARCH;
- }
}
} while (locked);
@@ -2307,138 +2311,136 @@ static int wait_tb_buffers_until_unlocked(struct tree_balance *p_s_tb)
* tb tree_balance structure;
* inum item number in S[h];
* pos_in_item - comment this if you can
- * ins_ih & ins_sd are used when inserting
+ * ins_ih item head of item being inserted
+ * data inserted item or data to be pasted
* Returns: 1 - schedule occurred while the function worked;
* 0 - schedule didn't occur while the function worked;
* -1 - if no_disk_space
*/
-int fix_nodes(int n_op_mode, struct tree_balance *p_s_tb, struct item_head *p_s_ins_ih, // item head of item being inserted
- const void *data // inserted item or data to be pasted
- )
+int fix_nodes(int n_op_mode, struct tree_balance *tb,
+ struct item_head *p_s_ins_ih, const void *data)
{
- int n_ret_value, n_h, n_item_num = PATH_LAST_POSITION(p_s_tb->tb_path);
+ int n_ret_value, n_h, n_item_num = PATH_LAST_POSITION(tb->tb_path);
int n_pos_in_item;
/* we set wait_tb_buffers_run when we have to restore any dirty bits cleared
** during wait_tb_buffers_run
*/
int wait_tb_buffers_run = 0;
- struct buffer_head *p_s_tbS0 = PATH_PLAST_BUFFER(p_s_tb->tb_path);
+ struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
- ++REISERFS_SB(p_s_tb->tb_sb)->s_fix_nodes;
+ ++REISERFS_SB(tb->tb_sb)->s_fix_nodes;
- n_pos_in_item = p_s_tb->tb_path->pos_in_item;
+ n_pos_in_item = tb->tb_path->pos_in_item;
- p_s_tb->fs_gen = get_generation(p_s_tb->tb_sb);
+ tb->fs_gen = get_generation(tb->tb_sb);
/* we prepare and log the super here so it will already be in the
** transaction when do_balance needs to change it.
** This way do_balance won't have to schedule when trying to prepare
** the super for logging
*/
- reiserfs_prepare_for_journal(p_s_tb->tb_sb,
- SB_BUFFER_WITH_SB(p_s_tb->tb_sb), 1);
- journal_mark_dirty(p_s_tb->transaction_handle, p_s_tb->tb_sb,
- SB_BUFFER_WITH_SB(p_s_tb->tb_sb));
- if (FILESYSTEM_CHANGED_TB(p_s_tb))
+ reiserfs_prepare_for_journal(tb->tb_sb,
+ SB_BUFFER_WITH_SB(tb->tb_sb), 1);
+ journal_mark_dirty(tb->transaction_handle, tb->tb_sb,
+ SB_BUFFER_WITH_SB(tb->tb_sb));
+ if (FILESYSTEM_CHANGED_TB(tb))
return REPEAT_SEARCH;
/* if it possible in indirect_to_direct conversion */
- if (buffer_locked(p_s_tbS0)) {
- __wait_on_buffer(p_s_tbS0);
- if (FILESYSTEM_CHANGED_TB(p_s_tb))
+ if (buffer_locked(tbS0)) {
+ __wait_on_buffer(tbS0);
+ if (FILESYSTEM_CHANGED_TB(tb))
return REPEAT_SEARCH;
}
#ifdef CONFIG_REISERFS_CHECK
if (cur_tb) {
print_cur_tb("fix_nodes");
- reiserfs_panic(p_s_tb->tb_sb, "PAP-8305",
+ reiserfs_panic(tb->tb_sb, "PAP-8305",
"there is pending do_balance");
}
- if (!buffer_uptodate(p_s_tbS0) || !B_IS_IN_TREE(p_s_tbS0)) {
- reiserfs_panic(p_s_tb->tb_sb, "PAP-8320", "S[0] (%b %z) is "
+ if (!buffer_uptodate(tbS0) || !B_IS_IN_TREE(tbS0))
+ reiserfs_panic(tb->tb_sb, "PAP-8320", "S[0] (%b %z) is "
"not uptodate at the beginning of fix_nodes "
"or not in tree (mode %c)",
- p_s_tbS0, p_s_tbS0, n_op_mode);
- }
+ tbS0, tbS0, n_op_mode);
/* Check parameters. */
switch (n_op_mode) {
case M_INSERT:
- if (n_item_num <= 0 || n_item_num > B_NR_ITEMS(p_s_tbS0))
- reiserfs_panic(p_s_tb->tb_sb, "PAP-8330", "Incorrect "
+ if (n_item_num <= 0 || n_item_num > B_NR_ITEMS(tbS0))
+ reiserfs_panic(tb->tb_sb, "PAP-8330", "Incorrect "
"item number %d (in S0 - %d) in case "
"of insert", n_item_num,
- B_NR_ITEMS(p_s_tbS0));
+ B_NR_ITEMS(tbS0));
break;
case M_PASTE:
case M_DELETE:
case M_CUT:
- if (n_item_num < 0 || n_item_num >= B_NR_ITEMS(p_s_tbS0)) {
- print_block(p_s_tbS0, 0, -1, -1);
- reiserfs_panic(p_s_tb->tb_sb, "PAP-8335", "Incorrect "
+ if (n_item_num < 0 || n_item_num >= B_NR_ITEMS(tbS0)) {
+ print_block(tbS0, 0, -1, -1);
+ reiserfs_panic(tb->tb_sb, "PAP-8335", "Incorrect "
"item number(%d); mode = %c "
"insert_size = %d",
n_item_num, n_op_mode,
- p_s_tb->insert_size[0]);
+ tb->insert_size[0]);
}
break;
default:
- reiserfs_panic(p_s_tb->tb_sb, "PAP-8340", "Incorrect mode "
+ reiserfs_panic(tb->tb_sb, "PAP-8340", "Incorrect mode "
"of operation");
}
#endif
- if (get_mem_for_virtual_node(p_s_tb) == REPEAT_SEARCH)
+ if (get_mem_for_virtual_node(tb) == REPEAT_SEARCH)
// FIXME: maybe -ENOMEM when tb->vn_buf == 0? Now just repeat
return REPEAT_SEARCH;
/* Starting from the leaf level; for all levels n_h of the tree. */
- for (n_h = 0; n_h < MAX_HEIGHT && p_s_tb->insert_size[n_h]; n_h++) {
- if ((n_ret_value = get_direct_parent(p_s_tb, n_h)) != CARRY_ON) {
+ for (n_h = 0; n_h < MAX_HEIGHT && tb->insert_size[n_h]; n_h++) {
+ n_ret_value = get_direct_parent(tb, n_h);
+ if (n_ret_value != CARRY_ON)
goto repeat;
- }
- if ((n_ret_value =
- check_balance(n_op_mode, p_s_tb, n_h, n_item_num,
- n_pos_in_item, p_s_ins_ih,
- data)) != CARRY_ON) {
+ n_ret_value = check_balance(n_op_mode, tb, n_h, n_item_num,
+ n_pos_in_item, p_s_ins_ih, data);
+ if (n_ret_value != CARRY_ON) {
if (n_ret_value == NO_BALANCING_NEEDED) {
/* No balancing for higher levels needed. */
- if ((n_ret_value =
- get_neighbors(p_s_tb, n_h)) != CARRY_ON) {
+ n_ret_value = get_neighbors(tb, n_h);
+ if (n_ret_value != CARRY_ON)
goto repeat;
- }
if (n_h != MAX_HEIGHT - 1)
- p_s_tb->insert_size[n_h + 1] = 0;
+ tb->insert_size[n_h + 1] = 0;
/* ok, analysis and resource gathering are complete */
break;
}
goto repeat;
}
- if ((n_ret_value = get_neighbors(p_s_tb, n_h)) != CARRY_ON) {
+ n_ret_value = get_neighbors(tb, n_h);
+ if (n_ret_value != CARRY_ON)
goto repeat;
- }
- if ((n_ret_value = get_empty_nodes(p_s_tb, n_h)) != CARRY_ON) {
- goto repeat; /* No disk space, or schedule occurred and
- analysis may be invalid and needs to be redone. */
- }
+ /* No disk space, or schedule occurred and analysis may be
+ * invalid and needs to be redone. */
+ n_ret_value = get_empty_nodes(tb, n_h);
+ if (n_ret_value != CARRY_ON)
+ goto repeat;
- if (!PATH_H_PBUFFER(p_s_tb->tb_path, n_h)) {
+ if (!PATH_H_PBUFFER(tb->tb_path, n_h)) {
/* We have a positive insert size but no nodes exist on this
level, this means that we are creating a new root. */
- RFALSE(p_s_tb->blknum[n_h] != 1,
+ RFALSE(tb->blknum[n_h] != 1,
"PAP-8350: creating new empty root");
if (n_h < MAX_HEIGHT - 1)
- p_s_tb->insert_size[n_h + 1] = 0;
- } else if (!PATH_H_PBUFFER(p_s_tb->tb_path, n_h + 1)) {
- if (p_s_tb->blknum[n_h] > 1) {
+ tb->insert_size[n_h + 1] = 0;
+ } else if (!PATH_H_PBUFFER(tb->tb_path, n_h + 1)) {
+ if (tb->blknum[n_h] > 1) {
/* The tree needs to be grown, so this node S[n_h]
which is the root node is split into two nodes,
and a new node (S[n_h+1]) will be created to
@@ -2447,19 +2449,20 @@ int fix_nodes(int n_op_mode, struct tree_balance *p_s_tb, struct item_head *p_s_
RFALSE(n_h == MAX_HEIGHT - 1,
"PAP-8355: attempt to create too high of a tree");
- p_s_tb->insert_size[n_h + 1] =
+ tb->insert_size[n_h + 1] =
(DC_SIZE +
- KEY_SIZE) * (p_s_tb->blknum[n_h] - 1) +
+ KEY_SIZE) * (tb->blknum[n_h] - 1) +
DC_SIZE;
} else if (n_h < MAX_HEIGHT - 1)
- p_s_tb->insert_size[n_h + 1] = 0;
+ tb->insert_size[n_h + 1] = 0;
} else
- p_s_tb->insert_size[n_h + 1] =
- (DC_SIZE + KEY_SIZE) * (p_s_tb->blknum[n_h] - 1);
+ tb->insert_size[n_h + 1] =
+ (DC_SIZE + KEY_SIZE) * (tb->blknum[n_h] - 1);
}
- if ((n_ret_value = wait_tb_buffers_until_unlocked(p_s_tb)) == CARRY_ON) {
- if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
+ n_ret_value = wait_tb_buffers_until_unlocked(tb);
+ if (n_ret_value == CARRY_ON) {
+ if (FILESYSTEM_CHANGED_TB(tb)) {
wait_tb_buffers_run = 1;
n_ret_value = REPEAT_SEARCH;
goto repeat;
@@ -2482,50 +2485,49 @@ int fix_nodes(int n_op_mode, struct tree_balance *p_s_tb, struct item_head *p_s_
/* Release path buffers. */
if (wait_tb_buffers_run) {
- pathrelse_and_restore(p_s_tb->tb_sb, p_s_tb->tb_path);
+ pathrelse_and_restore(tb->tb_sb, tb->tb_path);
} else {
- pathrelse(p_s_tb->tb_path);
+ pathrelse(tb->tb_path);
}
/* brelse all resources collected for balancing */
for (i = 0; i < MAX_HEIGHT; i++) {
if (wait_tb_buffers_run) {
- reiserfs_restore_prepared_buffer(p_s_tb->tb_sb,
- p_s_tb->L[i]);
- reiserfs_restore_prepared_buffer(p_s_tb->tb_sb,
- p_s_tb->R[i]);
- reiserfs_restore_prepared_buffer(p_s_tb->tb_sb,
- p_s_tb->FL[i]);
- reiserfs_restore_prepared_buffer(p_s_tb->tb_sb,
- p_s_tb->FR[i]);
- reiserfs_restore_prepared_buffer(p_s_tb->tb_sb,
- p_s_tb->
+ reiserfs_restore_prepared_buffer(tb->tb_sb,
+ tb->L[i]);
+ reiserfs_restore_prepared_buffer(tb->tb_sb,
+ tb->R[i]);
+ reiserfs_restore_prepared_buffer(tb->tb_sb,
+ tb->FL[i]);
+ reiserfs_restore_prepared_buffer(tb->tb_sb,
+ tb->FR[i]);
+ reiserfs_restore_prepared_buffer(tb->tb_sb,
+ tb->
CFL[i]);
- reiserfs_restore_prepared_buffer(p_s_tb->tb_sb,
- p_s_tb->
+ reiserfs_restore_prepared_buffer(tb->tb_sb,
+ tb->
CFR[i]);
}
- brelse(p_s_tb->L[i]);
- brelse(p_s_tb->R[i]);
- brelse(p_s_tb->FL[i]);
- brelse(p_s_tb->FR[i]);
- brelse(p_s_tb->CFL[i]);
- brelse(p_s_tb->CFR[i]);
-
- p_s_tb->L[i] = NULL;
- p_s_tb->R[i] = NULL;
- p_s_tb->FL[i] = NULL;
- p_s_tb->FR[i] = NULL;
- p_s_tb->CFL[i] = NULL;
- p_s_tb->CFR[i] = NULL;
+ brelse(tb->L[i]);
+ brelse(tb->R[i]);
+ brelse(tb->FL[i]);
+ brelse(tb->FR[i]);
+ brelse(tb->CFL[i]);
+ brelse(tb->CFR[i]);
+
+ tb->L[i] = NULL;
+ tb->R[i] = NULL;
+ tb->FL[i] = NULL;
+ tb->FR[i] = NULL;
+ tb->CFL[i] = NULL;
+ tb->CFR[i] = NULL;
}
if (wait_tb_buffers_run) {
for (i = 0; i < MAX_FEB_SIZE; i++) {
- if (p_s_tb->FEB[i]) {
+ if (tb->FEB[i])
reiserfs_restore_prepared_buffer
- (p_s_tb->tb_sb, p_s_tb->FEB[i]);
- }
+ (tb->tb_sb, tb->FEB[i]);
}
}
return n_ret_value;
@@ -2533,7 +2535,7 @@ int fix_nodes(int n_op_mode, struct tree_balance *p_s_tb, struct item_head *p_s_
}
-/* Anatoly will probably forgive me renaming p_s_tb to tb. I just
+/* Anatoly will probably forgive me renaming tb to tb. I just
wanted to make lines shorter */
void unfix_nodes(struct tree_balance *tb)
{
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 8f220fb777d7..5e867be559ea 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -1063,17 +1063,17 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
}
/* Calculate number of bytes which will be deleted or cut during balance */
-static int calc_deleted_bytes_number(struct tree_balance *p_s_tb, char c_mode)
+static int calc_deleted_bytes_number(struct tree_balance *tb, char c_mode)
{
int n_del_size;
- struct item_head *p_le_ih = PATH_PITEM_HEAD(p_s_tb->tb_path);
+ struct item_head *p_le_ih = PATH_PITEM_HEAD(tb->tb_path);
if (is_statdata_le_ih(p_le_ih))
return 0;
n_del_size =
(c_mode ==
- M_DELETE) ? ih_item_len(p_le_ih) : -p_s_tb->insert_size[0];
+ M_DELETE) ? ih_item_len(p_le_ih) : -tb->insert_size[0];
if (is_direntry_le_ih(p_le_ih)) {
// return EMPTY_DIR_SIZE; /* We delete emty directoris only. */
// we can't use EMPTY_DIR_SIZE, as old format dirs have a different
@@ -1083,25 +1083,26 @@ static int calc_deleted_bytes_number(struct tree_balance *p_s_tb, char c_mode)
}
if (is_indirect_le_ih(p_le_ih))
- n_del_size = (n_del_size / UNFM_P_SIZE) * (PATH_PLAST_BUFFER(p_s_tb->tb_path)->b_size); // - get_ih_free_space (p_le_ih);
+ n_del_size = (n_del_size / UNFM_P_SIZE) *
+ (PATH_PLAST_BUFFER(tb->tb_path)->b_size);
return n_del_size;
}
static void init_tb_struct(struct reiserfs_transaction_handle *th,
- struct tree_balance *p_s_tb,
+ struct tree_balance *tb,
struct super_block *sb,
struct treepath *p_s_path, int n_size)
{
BUG_ON(!th->t_trans_id);
- memset(p_s_tb, '\0', sizeof(struct tree_balance));
- p_s_tb->transaction_handle = th;
- p_s_tb->tb_sb = sb;
- p_s_tb->tb_path = p_s_path;
+ memset(tb, '\0', sizeof(struct tree_balance));
+ tb->transaction_handle = th;
+ tb->tb_sb = sb;
+ tb->tb_path = p_s_path;
PATH_OFFSET_PBUFFER(p_s_path, ILLEGAL_PATH_ELEMENT_OFFSET) = NULL;
PATH_OFFSET_POSITION(p_s_path, ILLEGAL_PATH_ELEMENT_OFFSET) = 0;
- p_s_tb->insert_size[0] = n_size;
+ tb->insert_size[0] = n_size;
}
void padd_item(char *item, int total_length, int length)