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authorJeff Mahoney <jeffm@suse.com>2009-03-30 14:02:45 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 12:16:39 -0700
commita9dd364358fbdc68faee5d20c2d648c320dc3cf0 (patch)
treeeffcf61e5e198083faff82dc1e0bd6071639fca8 /fs/reiserfs/stree.c
parent0222e6571c332563a48d4cf5487b67feabe60b5e (diff)
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reiserfs: rename p_s_sb to sb
This patch is a simple s/p_s_sb/sb/g to the reiserfs code. This is the first 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/reiserfs/stree.c')
-rw-r--r--fs/reiserfs/stree.c126
1 files changed, 63 insertions, 63 deletions
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index a65bfee28bb..00fd879c4a2 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -245,7 +245,7 @@ static const struct reiserfs_key MAX_KEY = {
static inline const struct reiserfs_key *get_lkey(const struct treepath
*p_s_chk_path,
const struct super_block
- *p_s_sb)
+ *sb)
{
int n_position, n_path_offset = p_s_chk_path->path_length;
struct buffer_head *p_s_parent;
@@ -282,14 +282,14 @@ static inline const struct reiserfs_key *get_lkey(const struct treepath
}
/* Return MIN_KEY if we are in the root of the buffer tree. */
if (PATH_OFFSET_PBUFFER(p_s_chk_path, FIRST_PATH_ELEMENT_OFFSET)->
- b_blocknr == SB_ROOT_BLOCK(p_s_sb))
+ b_blocknr == SB_ROOT_BLOCK(sb))
return &MIN_KEY;
return &MAX_KEY;
}
/* Get delimiting key of the buffer at the path and its right neighbor. */
inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
- const struct super_block *p_s_sb)
+ const struct super_block *sb)
{
int n_position, n_path_offset = p_s_chk_path->path_length;
struct buffer_head *p_s_parent;
@@ -325,7 +325,7 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
}
/* Return MAX_KEY if we are in the root of the buffer tree. */
if (PATH_OFFSET_PBUFFER(p_s_chk_path, FIRST_PATH_ELEMENT_OFFSET)->
- b_blocknr == SB_ROOT_BLOCK(p_s_sb))
+ b_blocknr == SB_ROOT_BLOCK(sb))
return &MAX_KEY;
return &MIN_KEY;
}
@@ -337,7 +337,7 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
this case get_lkey and get_rkey return a special key which is MIN_KEY or MAX_KEY. */
static inline int key_in_buffer(struct treepath *p_s_chk_path, /* Path which should be checked. */
const struct cpu_key *p_s_key, /* Key which should be checked. */
- struct super_block *p_s_sb /* Super block pointer. */
+ struct super_block *sb /* Super block pointer. */
)
{
@@ -348,11 +348,11 @@ static inline int key_in_buffer(struct treepath *p_s_chk_path, /* Path which sho
RFALSE(!PATH_PLAST_BUFFER(p_s_chk_path)->b_bdev,
"PAP-5060: device must not be NODEV");
- if (comp_keys(get_lkey(p_s_chk_path, p_s_sb), p_s_key) == 1)
+ if (comp_keys(get_lkey(p_s_chk_path, sb), p_s_key) == 1)
/* left delimiting key is bigger, that the key we look for */
return 0;
- // if ( comp_keys(p_s_key, get_rkey(p_s_chk_path, p_s_sb)) != -1 )
- if (comp_keys(get_rkey(p_s_chk_path, p_s_sb), p_s_key) != 1)
+ // if ( comp_keys(p_s_key, get_rkey(p_s_chk_path, sb)) != -1 )
+ if (comp_keys(get_rkey(p_s_chk_path, sb), p_s_key) != 1)
/* p_s_key must be less than right delimitiing key */
return 0;
return 1;
@@ -546,7 +546,7 @@ static void search_by_key_reada(struct super_block *s,
/**************************************************************************
* Algorithm SearchByKey *
* look for item in the Disk S+Tree by its key *
- * Input: p_s_sb - super block *
+ * Input: sb - super block *
* p_s_key - pointer to the key to search *
* Output: ITEM_FOUND, ITEM_NOT_FOUND or IO_ERROR *
* p_s_search_path - path from the root to the needed leaf *
@@ -566,7 +566,7 @@ static void search_by_key_reada(struct super_block *s,
correctness of the top of the path but need not be checked for the
correctness of the bottom of the path */
/* The function is NOT SCHEDULE-SAFE! */
-int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /* Key to search. */
+int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key to search. */
struct treepath *p_s_search_path,/* This structure was
allocated and initialized
by the calling
@@ -592,7 +592,7 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
int n_repeat_counter = 0;
#endif
- PROC_INFO_INC(p_s_sb, search_by_key);
+ PROC_INFO_INC(sb, search_by_key);
/* As we add each node to a path we increase its count. This means that
we must be careful to release all nodes in a path before we either
@@ -605,13 +605,13 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
/* With each iteration of this loop we search through the items in the
current node, and calculate the next current node(next path element)
for the next iteration of this loop.. */
- n_block_number = SB_ROOT_BLOCK(p_s_sb);
+ n_block_number = SB_ROOT_BLOCK(sb);
expected_level = -1;
while (1) {
#ifdef CONFIG_REISERFS_CHECK
if (!(++n_repeat_counter % 50000))
- reiserfs_warning(p_s_sb, "PAP-5100",
+ reiserfs_warning(sb, "PAP-5100",
"%s: there were %d iterations of "
"while loop looking for key %K",
current->comm, n_repeat_counter,
@@ -622,14 +622,14 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
p_s_last_element =
PATH_OFFSET_PELEMENT(p_s_search_path,
++p_s_search_path->path_length);
- fs_gen = get_generation(p_s_sb);
+ fs_gen = get_generation(sb);
/* 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 =
- sb_getblk(p_s_sb, n_block_number))) {
+ sb_getblk(sb, n_block_number))) {
if (!buffer_uptodate(p_s_bh) && reada_count > 1) {
- search_by_key_reada(p_s_sb, reada_bh,
+ search_by_key_reada(sb, reada_bh,
reada_blocks, reada_count);
}
ll_rw_block(READ, 1, &p_s_bh);
@@ -644,25 +644,25 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
}
reada_count = 0;
if (expected_level == -1)
- expected_level = SB_TREE_HEIGHT(p_s_sb);
+ expected_level = SB_TREE_HEIGHT(sb);
expected_level--;
/* It is possible that schedule occurred. We must check whether the 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, p_s_sb) &&
+ if (fs_changed(fs_gen, sb) &&
(!B_IS_IN_TREE(p_s_bh) ||
B_LEVEL(p_s_bh) != expected_level ||
- !key_in_buffer(p_s_search_path, p_s_key, p_s_sb))) {
- PROC_INFO_INC(p_s_sb, search_by_key_fs_changed);
- PROC_INFO_INC(p_s_sb, search_by_key_restarted);
- PROC_INFO_INC(p_s_sb,
+ !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);
+ PROC_INFO_INC(sb,
sbk_restarted[expected_level - 1]);
pathrelse(p_s_search_path);
/* Get the root block number so that we can repeat the search
starting from the root. */
- n_block_number = SB_ROOT_BLOCK(p_s_sb);
+ n_block_number = SB_ROOT_BLOCK(sb);
expected_level = -1;
right_neighbor_of_leaf_node = 0;
@@ -674,12 +674,12 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
equal to the MAX_KEY. Latter case is only possible in
"finish_unfinished()" processing during mount. */
RFALSE(comp_keys(&MAX_KEY, p_s_key) &&
- !key_in_buffer(p_s_search_path, p_s_key, p_s_sb),
+ !key_in_buffer(p_s_search_path, p_s_key, sb),
"PAP-5130: key is not in the buffer");
#ifdef CONFIG_REISERFS_CHECK
if (cur_tb) {
print_cur_tb("5140");
- reiserfs_panic(p_s_sb, "PAP-5140",
+ reiserfs_panic(sb, "PAP-5140",
"schedule occurred in do_balance!");
}
#endif
@@ -687,7 +687,7 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
// make sure, that the node contents look like a node of
// certain level
if (!is_tree_node(p_s_bh, expected_level)) {
- reiserfs_error(p_s_sb, "vs-5150",
+ reiserfs_error(sb, "vs-5150",
"invalid format found in block %ld. "
"Fsck?", p_s_bh->b_blocknr);
pathrelse(p_s_search_path);
@@ -697,7 +697,7 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
/* ok, we have acquired next formatted node in the tree */
n_node_level = B_LEVEL(p_s_bh);
- PROC_INFO_BH_STAT(p_s_sb, p_s_bh, n_node_level - 1);
+ PROC_INFO_BH_STAT(sb, p_s_bh, n_node_level - 1);
RFALSE(n_node_level < n_stop_level,
"vs-5152: tree level (%d) is less than stop level (%d)",
@@ -776,7 +776,7 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key, /*
units of directory entries. */
/* The function is NOT SCHEDULE-SAFE! */
-int search_for_position_by_key(struct super_block *p_s_sb, /* Pointer to the super block. */
+int search_for_position_by_key(struct super_block *sb, /* Pointer to the super block. */
const struct cpu_key *p_cpu_key, /* Key to search (cpu variable) */
struct treepath *p_s_search_path /* Filled up by this function. */
)
@@ -789,13 +789,13 @@ int search_for_position_by_key(struct super_block *p_s_sb, /* Pointer to the sup
/* If searching for directory entry. */
if (is_direntry_cpu_key(p_cpu_key))
- return search_by_entry_key(p_s_sb, p_cpu_key, p_s_search_path,
+ return search_by_entry_key(sb, p_cpu_key, p_s_search_path,
&de);
/* If not searching for directory entry. */
/* If item is found. */
- retval = search_item(p_s_sb, p_cpu_key, p_s_search_path);
+ retval = search_item(sb, p_cpu_key, p_s_search_path);
if (retval == IO_ERROR)
return retval;
if (retval == ITEM_FOUND) {
@@ -817,7 +817,7 @@ int search_for_position_by_key(struct super_block *p_s_sb, /* Pointer to the sup
p_le_ih =
B_N_PITEM_HEAD(PATH_PLAST_BUFFER(p_s_search_path),
--PATH_LAST_POSITION(p_s_search_path));
- n_blk_size = p_s_sb->s_blocksize;
+ n_blk_size = sb->s_blocksize;
if (comp_short_keys(&(p_le_ih->ih_key), p_cpu_key)) {
return FILE_NOT_FOUND;
@@ -957,7 +957,7 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
int *p_n_cut_size, unsigned long long n_new_file_length /* MAX_KEY_OFFSET in case of delete. */
)
{
- struct super_block *p_s_sb = inode->i_sb;
+ 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);
@@ -986,7 +986,7 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
/* Case of an indirect item. */
{
- int blk_size = p_s_sb->s_blocksize;
+ int blk_size = sb->s_blocksize;
struct item_head s_ih;
int need_re_search;
int delete = 0;
@@ -1023,9 +1023,9 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
block = get_block_num(unfm, 0);
if (block != 0) {
- reiserfs_prepare_for_journal(p_s_sb, p_s_bh, 1);
+ reiserfs_prepare_for_journal(sb, p_s_bh, 1);
put_block_num(unfm, 0, 0);
- journal_mark_dirty (th, p_s_sb, p_s_bh);
+ journal_mark_dirty (th, sb, p_s_bh);
reiserfs_free_block(th, inode, block, 1);
}
@@ -1049,9 +1049,9 @@ 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(p_s_sb, p_s_bh);
+ reiserfs_restore_prepared_buffer(sb, p_s_bh);
} while (need_re_search &&
- search_for_position_by_key(p_s_sb, p_s_item_key, p_s_path) == POSITION_FOUND);
+ 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;
if (*p_n_cut_size == 0) {
@@ -1090,7 +1090,7 @@ static int calc_deleted_bytes_number(struct tree_balance *p_s_tb, char c_mode)
static void init_tb_struct(struct reiserfs_transaction_handle *th,
struct tree_balance *p_s_tb,
- struct super_block *p_s_sb,
+ struct super_block *sb,
struct treepath *p_s_path, int n_size)
{
@@ -1098,7 +1098,7 @@ static void init_tb_struct(struct reiserfs_transaction_handle *th,
memset(p_s_tb, '\0', sizeof(struct tree_balance));
p_s_tb->transaction_handle = th;
- p_s_tb->tb_sb = p_s_sb;
+ p_s_tb->tb_sb = sb;
p_s_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;
@@ -1147,7 +1147,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
struct inode *p_s_inode, /* inode is here just to update i_blocks and quotas */
struct buffer_head *p_s_un_bh)
{ /* NULL or unformatted node pointer. */
- struct super_block *p_s_sb = p_s_inode->i_sb;
+ struct super_block *sb = p_s_inode->i_sb;
struct tree_balance s_del_balance;
struct item_head s_ih;
struct item_head *q_ih;
@@ -1161,7 +1161,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
BUG_ON(!th->t_trans_id);
- init_tb_struct(th, &s_del_balance, p_s_sb, p_s_path,
+ init_tb_struct(th, &s_del_balance, sb, p_s_path,
0 /*size is unknown */ );
while (1) {
@@ -1185,15 +1185,15 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
if (n_ret_value != REPEAT_SEARCH)
break;
- PROC_INFO_INC(p_s_sb, delete_item_restarted);
+ PROC_INFO_INC(sb, delete_item_restarted);
// file system changed, repeat search
n_ret_value =
- search_for_position_by_key(p_s_sb, p_s_item_key, p_s_path);
+ search_for_position_by_key(sb, p_s_item_key, p_s_path);
if (n_ret_value == IO_ERROR)
break;
if (n_ret_value == FILE_NOT_FOUND) {
- reiserfs_warning(p_s_sb, "vs-5340",
+ reiserfs_warning(sb, "vs-5340",
"no items of the file %K found",
p_s_item_key);
break;
@@ -1216,8 +1216,8 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
** the unfm node once
*/
if (!S_ISLNK(p_s_inode->i_mode) && is_direct_le_ih(q_ih)) {
- if ((le_ih_k_offset(q_ih) & (p_s_sb->s_blocksize - 1)) == 1) {
- quota_cut_bytes = p_s_sb->s_blocksize + UNFM_P_SIZE;
+ if ((le_ih_k_offset(q_ih) & (sb->s_blocksize - 1)) == 1) {
+ quota_cut_bytes = sb->s_blocksize + UNFM_P_SIZE;
} else {
quota_cut_bytes = 0;
}
@@ -1258,7 +1258,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
do_balance(&s_del_balance, NULL, NULL, M_DELETE);
#ifdef REISERQUOTA_DEBUG
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"reiserquota delete_item(): freeing %u, id=%u type=%c",
quota_cut_bytes, p_s_inode->i_uid, head2type(&s_ih));
#endif
@@ -1430,8 +1430,8 @@ static int maybe_indirect_to_direct(struct reiserfs_transaction_handle *th,
const struct cpu_key *p_s_item_key,
loff_t n_new_file_size, char *p_c_mode)
{
- struct super_block *p_s_sb = p_s_inode->i_sb;
- int n_block_size = p_s_sb->s_blocksize;
+ struct super_block *sb = p_s_inode->i_sb;
+ int n_block_size = sb->s_blocksize;
int cut_bytes;
BUG_ON(!th->t_trans_id);
BUG_ON(n_new_file_size != p_s_inode->i_size);
@@ -1509,7 +1509,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
struct inode *p_s_inode,
struct page *page, loff_t n_new_file_size)
{
- struct super_block *p_s_sb = p_s_inode->i_sb;
+ struct super_block *sb = p_s_inode->i_sb;
/* Every function which is going to call do_balance must first
create a tree_balance structure. Then it must fill up this
structure by using the init_tb_struct and fix_nodes functions.
@@ -1560,7 +1560,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
/* removing of last unformatted node will change value we
have to return to truncate. Save it */
retval2 = n_ret_value;
- /*retval2 = p_s_sb->s_blocksize - (n_new_file_size & (p_s_sb->s_blocksize - 1)); */
+ /*retval2 = sb->s_blocksize - (n_new_file_size & (sb->s_blocksize - 1)); */
/* So, we have performed the first part of the conversion:
inserting the new direct item. Now we are removing the
@@ -1569,16 +1569,16 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
set_cpu_key_k_type(p_s_item_key, TYPE_INDIRECT);
p_s_item_key->key_length = 4;
n_new_file_size -=
- (n_new_file_size & (p_s_sb->s_blocksize - 1));
+ (n_new_file_size & (sb->s_blocksize - 1));
tail_pos = n_new_file_size;
set_cpu_key_k_offset(p_s_item_key, n_new_file_size + 1);
if (search_for_position_by_key
- (p_s_sb, p_s_item_key,
+ (sb, p_s_item_key,
p_s_path) == POSITION_NOT_FOUND) {
print_block(PATH_PLAST_BUFFER(p_s_path), 3,
PATH_LAST_POSITION(p_s_path) - 1,
PATH_LAST_POSITION(p_s_path) + 1);
- reiserfs_panic(p_s_sb, "PAP-5580", "item to "
+ reiserfs_panic(sb, "PAP-5580", "item to "
"convert does not exist (%K)",
p_s_item_key);
}
@@ -1595,14 +1595,14 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
if (n_ret_value != REPEAT_SEARCH)
break;
- PROC_INFO_INC(p_s_sb, cut_from_item_restarted);
+ PROC_INFO_INC(sb, cut_from_item_restarted);
n_ret_value =
- search_for_position_by_key(p_s_sb, p_s_item_key, p_s_path);
+ search_for_position_by_key(sb, p_s_item_key, p_s_path);
if (n_ret_value == POSITION_FOUND)
continue;
- reiserfs_warning(p_s_sb, "PAP-5610", "item %K not found",
+ reiserfs_warning(sb, "PAP-5610", "item %K not found",
p_s_item_key);
unfix_nodes(&s_cut_balance);
return (n_ret_value == IO_ERROR) ? -EIO : -ENOENT;
@@ -1616,7 +1616,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
indirect_to_direct_roll_back(th, p_s_inode, p_s_path);
}
if (n_ret_value == NO_DISK_SPACE)
- reiserfs_warning(p_s_sb, "reiserfs-5092",
+ reiserfs_warning(sb, "reiserfs-5092",
"NO_DISK_SPACE");
unfix_nodes(&s_cut_balance);
return -EIO;
@@ -1642,11 +1642,11 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
p_le_ih = PATH_PITEM_HEAD(s_cut_balance.tb_path);
if (!S_ISLNK(p_s_inode->i_mode) && is_direct_le_ih(p_le_ih)) {
if (c_mode == M_DELETE &&
- (le_ih_k_offset(p_le_ih) & (p_s_sb->s_blocksize - 1)) ==
+ (le_ih_k_offset(p_le_ih) & (sb->s_blocksize - 1)) ==
1) {
// FIXME: this is to keep 3.5 happy
REISERFS_I(p_s_inode)->i_first_direct_byte = U32_MAX;
- quota_cut_bytes = p_s_sb->s_blocksize + UNFM_P_SIZE;
+ quota_cut_bytes = sb->s_blocksize + UNFM_P_SIZE;
} else {
quota_cut_bytes = 0;
}
@@ -1659,18 +1659,18 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
sure, that we exactly remove last unformatted node pointer
of the item */
if (!is_indirect_le_ih(le_ih))
- reiserfs_panic(p_s_sb, "vs-5652",
+ reiserfs_panic(sb, "vs-5652",
"item must be indirect %h", le_ih);
if (c_mode == M_DELETE && ih_item_len(le_ih) != UNFM_P_SIZE)
- reiserfs_panic(p_s_sb, "vs-5653", "completing "
+ reiserfs_panic(sb, "vs-5653", "completing "
"indirect2direct conversion indirect "
"item %h being deleted must be of "
"4 byte long", le_ih);
if (c_mode == M_CUT
&& s_cut_balance.insert_size[0] != -UNFM_P_SIZE) {
- reiserfs_panic(p_s_sb, "vs-5654", "can not complete "
+ reiserfs_panic(sb, "vs-5654", "can not complete "
"indirect2direct conversion of %h "
"(CUT, insert_size==%d)",
le_ih, s_cut_balance.insert_size[0]);