lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

reiserfs: rename p_s_bh to bh

Browse Source 
This patch is a simple s/p_s_bh/bh/g to the reiserfs code.  This is the
second 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>
This commit is contained in:
Jeff Mahoney
2009-03-30 14:02:46 -04:00
committed by Linus Torvalds
parent a9dd364358
commit ad31a4fc03
3 changed files with 93 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
fs/reiserfs/stree.c
View File

@@ -56,13 +56,13 @@
#include <linux/quotaops.h>
/* Does the buffer contain a disk block which is in the tree. */
inline int B_IS_IN_TREE(const struct buffer_head *p_s_bh)
inline int B_IS_IN_TREE(const struct buffer_head *bh)
{
RFALSE(B_LEVEL(p_s_bh) > MAX_HEIGHT,
"PAP-1010: block (%b) has too big level (%z)", p_s_bh, p_s_bh);
RFALSE(B_LEVEL(bh) > MAX_HEIGHT,
"PAP-1010: block (%b) has too big level (%z)", bh, bh);
return (B_LEVEL(p_s_bh) != FREE_LEVEL);
return (B_LEVEL(bh) != FREE_LEVEL);
}
//
@@ -579,7 +579,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
{
b_blocknr_t n_block_number;
int expected_level;
struct buffer_head *p_s_bh;
struct buffer_head *bh;
struct path_element *p_s_last_element;
int n_node_level, n_retval;
int right_neighbor_of_leaf_node;
@@ -626,15 +626,14 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
/* Read the next tree node, and set the last element in the path to
have a pointer to it. */
if ((p_s_bh = p_s_last_element->pe_buffer =
if ((bh = p_s_last_element->pe_buffer =
sb_getblk(sb, n_block_number))) {
if (!buffer_uptodate(p_s_bh) && reada_count > 1) {
if (!buffer_uptodate(bh) && reada_count > 1)
search_by_key_reada(sb, reada_bh,
reada_blocks, reada_count);
}
ll_rw_block(READ, 1, &p_s_bh);
wait_on_buffer(p_s_bh);
if (!buffer_uptodate(p_s_bh))
ll_rw_block(READ, 1, &bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh))
goto io_error;
} else {
io_error:
@@ -651,8 +650,8 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
to search is still in the tree rooted from the current buffer. If
not then repeat search from the root. */
if (fs_changed(fs_gen, sb) &&
(!B_IS_IN_TREE(p_s_bh) ||
B_LEVEL(p_s_bh) != expected_level ||
(!B_IS_IN_TREE(bh) ||
B_LEVEL(bh) != expected_level ||
!key_in_buffer(p_s_search_path, p_s_key, sb))) {
PROC_INFO_INC(sb, search_by_key_fs_changed);
PROC_INFO_INC(sb, search_by_key_restarted);
@@ -686,25 +685,25 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
// make sure, that the node contents look like a node of
// certain level
if (!is_tree_node(p_s_bh, expected_level)) {
if (!is_tree_node(bh, expected_level)) {
reiserfs_error(sb, "vs-5150",
"invalid format found in block %ld. "
"Fsck?", p_s_bh->b_blocknr);
"Fsck?", bh->b_blocknr);
pathrelse(p_s_search_path);
return IO_ERROR;
}
/* ok, we have acquired next formatted node in the tree */
n_node_level = B_LEVEL(p_s_bh);
n_node_level = B_LEVEL(bh);
PROC_INFO_BH_STAT(sb, p_s_bh, n_node_level - 1);
PROC_INFO_BH_STAT(sb, bh, n_node_level - 1);
RFALSE(n_node_level < n_stop_level,
"vs-5152: tree level (%d) is less than stop level (%d)",
n_node_level, n_stop_level);
n_retval = bin_search(p_s_key, B_N_PITEM_HEAD(p_s_bh, 0),
B_NR_ITEMS(p_s_bh),
n_retval = bin_search(p_s_key, B_N_PITEM_HEAD(bh, 0),
B_NR_ITEMS(bh),
(n_node_level ==
DISK_LEAF_NODE_LEVEL) ? IH_SIZE :
KEY_SIZE,
@@ -726,13 +725,13 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
an internal node. Now we calculate child block number by
position in the node. */
n_block_number =
B_N_CHILD_NUM(p_s_bh, p_s_last_element->pe_position);
B_N_CHILD_NUM(bh, p_s_last_element->pe_position);
/* if we are going to read leaf nodes, try for read ahead as well */
if ((p_s_search_path->reada & PATH_READA) &&
n_node_level == DISK_LEAF_NODE_LEVEL + 1) {
int pos = p_s_last_element->pe_position;
int limit = B_NR_ITEMS(p_s_bh);
int limit = B_NR_ITEMS(bh);
struct reiserfs_key *le_key;
if (p_s_search_path->reada & PATH_READA_BACK)
@@ -741,7 +740,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
if (pos == limit)
break;
reada_blocks[reada_count++] =
B_N_CHILD_NUM(p_s_bh, pos);
B_N_CHILD_NUM(bh, pos);
if (p_s_search_path->reada & PATH_READA_BACK)
pos--;
else
@@ -750,7 +749,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
/*
* check to make sure we're in the same object
*/
le_key = B_N_PDELIM_KEY(p_s_bh, pos);
le_key = B_N_PDELIM_KEY(bh, pos);
if (le32_to_cpu(le_key->k_objectid) !=
p_s_key->on_disk_key.k_objectid) {
break;
@@ -851,15 +850,15 @@ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super b
/* Compare given item and item pointed to by the path. */
int comp_items(const struct item_head *stored_ih, const struct treepath *p_s_path)
{
struct buffer_head *p_s_bh;
struct buffer_head *bh = PATH_PLAST_BUFFER(p_s_path);
struct item_head *ih;
/* Last buffer at the path is not in the tree. */
if (!B_IS_IN_TREE(p_s_bh = PATH_PLAST_BUFFER(p_s_path)))
if (!B_IS_IN_TREE(bh))
return 1;
/* Last path position is invalid. */
if (PATH_LAST_POSITION(p_s_path) >= B_NR_ITEMS(p_s_bh))
if (PATH_LAST_POSITION(p_s_path) >= B_NR_ITEMS(bh))
return 1;
/* we need only to know, whether it is the same item */
@@ -959,7 +958,7 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
{
struct super_block *sb = inode->i_sb;
struct item_head *p_le_ih = PATH_PITEM_HEAD(p_s_path);
struct buffer_head *p_s_bh = PATH_PLAST_BUFFER(p_s_path);
struct buffer_head *bh = PATH_PLAST_BUFFER(p_s_path);
BUG_ON(!th->t_trans_id);
@@ -1003,7 +1002,7 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
do {
need_re_search = 0;
*p_n_cut_size = 0;
p_s_bh = PATH_PLAST_BUFFER(p_s_path);
bh = PATH_PLAST_BUFFER(p_s_path);
copy_item_head(&s_ih, PATH_PITEM_HEAD(p_s_path));
pos = I_UNFM_NUM(&s_ih);
@@ -1019,13 +1018,13 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
break;
}
unfm = (__le32 *)B_I_PITEM(p_s_bh, &s_ih) + pos - 1;
unfm = (__le32 *)B_I_PITEM(bh, &s_ih) + pos - 1;
block = get_block_num(unfm, 0);
if (block != 0) {
reiserfs_prepare_for_journal(sb, p_s_bh, 1);
reiserfs_prepare_for_journal(sb, bh, 1);
put_block_num(unfm, 0, 0);
journal_mark_dirty (th, sb, p_s_bh);
journal_mark_dirty(th, sb, bh);
reiserfs_free_block(th, inode, block, 1);
}
@@ -1049,7 +1048,7 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
/* a trick. If the buffer has been logged, this will do nothing. If
** we've broken the loop without logging it, it will restore the
** buffer */
reiserfs_restore_prepared_buffer(sb, p_s_bh);
reiserfs_restore_prepared_buffer(sb, bh);
} while (need_re_search &&
search_for_position_by_key(sb, p_s_item_key, p_s_path) == POSITION_FOUND);
pos_in_item(p_s_path) = pos * UNFM_P_SIZE;