/* 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)
{
- struct buffer_head *p_s_bh;
+ struct buffer_head *bh;
struct treepath *p_s_path = p_s_tb->tb_path;
int n_position,
n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h);
}
if (!B_IS_IN_TREE
- (p_s_bh = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1)))
+ (bh = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1)))
return REPEAT_SEARCH; /* Parent in the path is not in the tree. */
if ((n_position =
PATH_OFFSET_POSITION(p_s_path,
- n_path_offset - 1)) > B_NR_ITEMS(p_s_bh))
+ n_path_offset - 1)) > B_NR_ITEMS(bh))
return REPEAT_SEARCH;
- if (B_N_CHILD_NUM(p_s_bh, n_position) !=
+ if (B_N_CHILD_NUM(bh, n_position) !=
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset)->b_blocknr)
/* Parent in the path is not parent of the current node in the tree. */
return REPEAT_SEARCH;
- if (buffer_locked(p_s_bh)) {
- __wait_on_buffer(p_s_bh);
+ if (buffer_locked(bh)) {
+ __wait_on_buffer(bh);
if (FILESYSTEM_CHANGED_TB(p_s_tb))
return REPEAT_SEARCH;
}
n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h + 1);
unsigned long n_son_number;
struct super_block *sb = p_s_tb->tb_sb;
- struct buffer_head *p_s_bh;
+ struct buffer_head *bh;
PROC_INFO_INC(sb, get_neighbors[n_h]);
if (p_s_tb->lnum[n_h]) {
/* We need left neighbor to balance S[n_h]. */
PROC_INFO_INC(sb, need_l_neighbor[n_h]);
- p_s_bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset);
+ bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset);
- RFALSE(p_s_bh == p_s_tb->FL[n_h] &&
+ RFALSE(bh == p_s_tb->FL[n_h] &&
!PATH_OFFSET_POSITION(p_s_tb->tb_path, n_path_offset),
"PAP-8270: invalid position in the parent");
n_child_position =
- (p_s_bh ==
+ (bh ==
p_s_tb->FL[n_h]) ? p_s_tb->lkey[n_h] : B_NR_ITEMS(p_s_tb->
FL[n_h]);
n_son_number = B_N_CHILD_NUM(p_s_tb->FL[n_h], n_child_position);
- p_s_bh = sb_bread(sb, n_son_number);
- if (!p_s_bh)
+ bh = sb_bread(sb, n_son_number);
+ if (!bh)
return IO_ERROR;
if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
- brelse(p_s_bh);
+ 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) !=
- p_s_bh->b_blocknr, "PAP-8275: invalid parent");
- RFALSE(!B_IS_IN_TREE(p_s_bh), "PAP-8280: invalid child");
+ bh->b_blocknr, "PAP-8275: invalid parent");
+ RFALSE(!B_IS_IN_TREE(bh), "PAP-8280: invalid child");
RFALSE(!n_h &&
- B_FREE_SPACE(p_s_bh) !=
- MAX_CHILD_SIZE(p_s_bh) -
+ B_FREE_SPACE(bh) !=
+ MAX_CHILD_SIZE(bh) -
dc_size(B_N_CHILD(p_s_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] = p_s_bh;
+ p_s_tb->L[n_h] = bh;
}
if (p_s_tb->rnum[n_h]) { /* We need right neighbor to balance S[n_path_offset]. */
PROC_INFO_INC(sb, need_r_neighbor[n_h]);
- p_s_bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset);
+ bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset);
- RFALSE(p_s_bh == p_s_tb->FR[n_h] &&
+ RFALSE(bh == p_s_tb->FR[n_h] &&
PATH_OFFSET_POSITION(p_s_tb->tb_path,
n_path_offset) >=
- B_NR_ITEMS(p_s_bh),
+ B_NR_ITEMS(bh),
"PAP-8295: invalid position in the parent");
n_child_position =
- (p_s_bh == p_s_tb->FR[n_h]) ? p_s_tb->rkey[n_h] + 1 : 0;
+ (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);
- p_s_bh = sb_bread(sb, n_son_number);
- if (!p_s_bh)
+ bh = sb_bread(sb, n_son_number);
+ if (!bh)
return IO_ERROR;
if (FILESYSTEM_CHANGED_TB(p_s_tb)) {
- brelse(p_s_bh);
+ 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] = p_s_bh;
+ p_s_tb->R[n_h] = bh;
RFALSE(!n_h
- && B_FREE_SPACE(p_s_bh) !=
- MAX_CHILD_SIZE(p_s_bh) -
+ && B_FREE_SPACE(bh) !=
+ MAX_CHILD_SIZE(bh) -
dc_size(B_N_CHILD(p_s_tb->FR[0], n_child_position)),
"PAP-8300: invalid child size of right neighbor (%d != %d - %d)",
- B_FREE_SPACE(p_s_bh), MAX_CHILD_SIZE(p_s_bh),
+ B_FREE_SPACE(bh), MAX_CHILD_SIZE(bh),
dc_size(B_N_CHILD(p_s_tb->FR[0], n_child_position)));
}
#ifdef CONFIG_REISERFS_CHECK
static void tb_buffer_sanity_check(struct super_block *sb,
- struct buffer_head *p_s_bh,
+ struct buffer_head *bh,
const char *descr, int level)
{
- if (p_s_bh) {
- if (atomic_read(&(p_s_bh->b_count)) <= 0) {
+ if (bh) {
+ if (atomic_read(&(bh->b_count)) <= 0)
reiserfs_panic(sb, "jmacd-1", "negative or zero "
"reference counter for buffer %s[%d] "
- "(%b)", descr, level, p_s_bh);
- }
+ "(%b)", descr, level, bh);
- if (!buffer_uptodate(p_s_bh)) {
+ if (!buffer_uptodate(bh))
reiserfs_panic(sb, "jmacd-2", "buffer is not up "
"to date %s[%d] (%b)",
- descr, level, p_s_bh);
- }
+ descr, level, bh);
- if (!B_IS_IN_TREE(p_s_bh)) {
+ if (!B_IS_IN_TREE(bh))
reiserfs_panic(sb, "jmacd-3", "buffer is not "
"in tree %s[%d] (%b)",
- descr, level, p_s_bh);
- }
+ descr, level, bh);
- if (p_s_bh->b_bdev != sb->s_bdev) {
+ if (bh->b_bdev != sb->s_bdev)
reiserfs_panic(sb, "jmacd-4", "buffer has wrong "
"device %s[%d] (%b)",
- descr, level, p_s_bh);
- }
+ descr, level, bh);
- if (p_s_bh->b_size != sb->s_blocksize) {
+ if (bh->b_size != sb->s_blocksize)
reiserfs_panic(sb, "jmacd-5", "buffer has wrong "
"blocksize %s[%d] (%b)",
- descr, level, p_s_bh);
- }
+ descr, level, bh);
- if (p_s_bh->b_blocknr > SB_BLOCK_COUNT(sb)) {
+ if (bh->b_blocknr > SB_BLOCK_COUNT(sb))
reiserfs_panic(sb, "jmacd-6", "buffer block "
"number too high %s[%d] (%b)",
- descr, level, p_s_bh);
- }
+ descr, level, bh);
}
}
#else
static void tb_buffer_sanity_check(struct super_block *sb,
- struct buffer_head *p_s_bh,
+ struct buffer_head *bh,
const char *descr, int level)
{;
}
git.openpandora.org / pandora-kernel.git / blobdiff