reiserfs: rename p_._ variables

This patch is a simple s/p_._//g to the reiserfs code.  This is the
fifth 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>

4 files changed, 342 insertions, 333 deletions

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index a73579f66214..cde16429ff00 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -134,10 +134,10 @@ static void reiserfs_vfs_truncate_file(struct inode *inode)
  * be removed...
  */
 
-static int reiserfs_sync_file(struct file *p_s_filp,
-			      struct dentry *p_s_dentry, int datasync)
+static int reiserfs_sync_file(struct file *filp,
+			      struct dentry *dentry, int datasync)
 {
-	struct inode *inode = p_s_dentry->d_inode;
+	struct inode *inode = dentry->d_inode;
 	int n_err;
 	int barrier_done;
 
diff --git a/fs/reiserfs/fix_node.c b/fs/reiserfs/fix_node.c
index 5236a8829e31..d97a55574ba9 100644
--- a/fs/reiserfs/fix_node.c
+++ b/fs/reiserfs/fix_node.c
@@ -780,9 +780,9 @@ static void free_buffers_in_tb(struct tree_balance *tb)
 /* The function is NOT SCHEDULE-SAFE! */
 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(tb->tb_path, n_h);
-	b_blocknr_t *p_n_blocknr, a_n_blocknrs[MAX_AMOUNT_NEEDED] = { 0, };
+	struct buffer_head *new_bh,
+	    *Sh = PATH_H_PBUFFER(tb->tb_path, n_h);
+	b_blocknr_t *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 = tb->tb_sb;
@@ -810,8 +810,8 @@ static int get_empty_nodes(struct tree_balance *tb, int n_h)
 						   1) : 0;
 
 	/* Allocate missing empty blocks. */
-	/* if p_s_Sh == 0  then we are getting a new root */
-	n_amount_needed = (p_s_Sh) ? (tb->blknum[n_h] - 1) : 1;
+	/* if Sh == 0  then we are getting a new root */
+	n_amount_needed = (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;
@@ -824,25 +824,25 @@ static int get_empty_nodes(struct tree_balance *tb, int n_h)
 		return NO_DISK_SPACE;
 
 	/* for each blocknumber we just got, get a buffer and stick it on FEB */
-	for (p_n_blocknr = a_n_blocknrs, n_counter = 0;
-	     n_counter < n_amount_needed; p_n_blocknr++, n_counter++) {
+	for (blocknr = a_n_blocknrs, n_counter = 0;
+	     n_counter < n_amount_needed; blocknr++, n_counter++) {
 
-		RFALSE(!*p_n_blocknr,
+		RFALSE(!*blocknr,
 		       "PAP-8135: reiserfs_new_blocknrs failed when got new blocks");
 
-		p_s_new_bh = sb_getblk(sb, *p_n_blocknr);
-		RFALSE(buffer_dirty(p_s_new_bh) ||
-		       buffer_journaled(p_s_new_bh) ||
-		       buffer_journal_dirty(p_s_new_bh),
+		new_bh = sb_getblk(sb, *blocknr);
+		RFALSE(buffer_dirty(new_bh) ||
+		       buffer_journaled(new_bh) ||
+		       buffer_journal_dirty(new_bh),
 		       "PAP-8140: journlaled or dirty buffer %b for the new block",
-		       p_s_new_bh);
+		       new_bh);
 
 		/* Put empty buffers into the array. */
 		RFALSE(tb->FEB[tb->cur_blknum],
 		       "PAP-8141: busy slot for new buffer");
 
-		set_buffer_journal_new(p_s_new_bh);
-		tb->FEB[tb->cur_blknum++] = p_s_new_bh;
+		set_buffer_journal_new(new_bh);
+		tb->FEB[tb->cur_blknum++] = new_bh;
 	}
 
 	if (n_retval == CARRY_ON && FILESYSTEM_CHANGED_TB(tb))
@@ -898,7 +898,7 @@ 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 *tb, int n_h)
 {
-	struct buffer_head *p_s_father, *left;
+	struct buffer_head *father, *left;
 	struct super_block *sb = tb->tb_sb;
 	b_blocknr_t n_left_neighbor_blocknr;
 	int n_left_neighbor_position;
@@ -908,18 +908,18 @@ static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h)
 		return 0;
 
 	/* Calculate father of the node to be balanced. */
-	p_s_father = PATH_H_PBUFFER(tb->tb_path, n_h + 1);
+	father = PATH_H_PBUFFER(tb->tb_path, n_h + 1);
 
-	RFALSE(!p_s_father ||
-	       !B_IS_IN_TREE(p_s_father) ||
+	RFALSE(!father ||
+	       !B_IS_IN_TREE(father) ||
 	       !B_IS_IN_TREE(tb->FL[n_h]) ||
-	       !buffer_uptodate(p_s_father) ||
+	       !buffer_uptodate(father) ||
 	       !buffer_uptodate(tb->FL[n_h]),
 	       "vs-8165: F[h] (%b) or FL[h] (%b) is invalid",
-	       p_s_father, tb->FL[n_h]);
+	       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 == tb->FL[n_h]) ?
+	n_left_neighbor_position = (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 =
@@ -940,10 +940,10 @@ static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h)
 #define LEFT_PARENTS  'l'
 #define RIGHT_PARENTS 'r'
 
-static void decrement_key(struct cpu_key *p_s_key)
+static void decrement_key(struct cpu_key *key)
 {
 	// call item specific function for this key
-	item_ops[cpu_key_k_type(p_s_key)]->decrement_key(p_s_key);
+	item_ops[cpu_key_k_type(key)]->decrement_key(key);
 }
 
 /* Calculate far left/right parent of the left/right neighbor of the current node, that
@@ -956,17 +956,17 @@ static void decrement_key(struct cpu_key *p_s_key)
  */
 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 **pfather,
+			  struct buffer_head **pcom_father, char c_lr_par)
 {
-	struct buffer_head *p_s_parent;
+	struct buffer_head *parent;
 	INITIALIZE_PATH(s_path_to_neighbor_father);
-	struct treepath *p_s_path = tb->tb_path;
+	struct treepath *path = tb->tb_path;
 	struct cpu_key s_lr_father_key;
 	int n_counter,
 	    n_position = INT_MAX,
 	    n_first_last_position = 0,
-	    n_path_offset = PATH_H_PATH_OFFSET(p_s_path, n_h);
+	    n_path_offset = PATH_H_PATH_OFFSET(path, n_h);
 
 	/* Starting from F[n_h] go upwards in the tree, and look for the common
 	   ancestor of F[n_h], and its neighbor l/r, that should be obtained. */
@@ -979,25 +979,25 @@ static int get_far_parent(struct tree_balance *tb,
 	for (; n_counter > FIRST_PATH_ELEMENT_OFFSET; n_counter--) {
 		/* Check whether parent of the current buffer in the path is really parent in the tree. */
 		if (!B_IS_IN_TREE
-		    (p_s_parent = PATH_OFFSET_PBUFFER(p_s_path, n_counter - 1)))
+		    (parent = PATH_OFFSET_PBUFFER(path, n_counter - 1)))
 			return REPEAT_SEARCH;
 		/* Check whether position in the parent is correct. */
 		if ((n_position =
-		     PATH_OFFSET_POSITION(p_s_path,
+		     PATH_OFFSET_POSITION(path,
 					  n_counter - 1)) >
-		    B_NR_ITEMS(p_s_parent))
+		    B_NR_ITEMS(parent))
 			return REPEAT_SEARCH;
 		/* Check whether parent at the path really points to the child. */
-		if (B_N_CHILD_NUM(p_s_parent, n_position) !=
-		    PATH_OFFSET_PBUFFER(p_s_path, n_counter)->b_blocknr)
+		if (B_N_CHILD_NUM(parent, n_position) !=
+		    PATH_OFFSET_PBUFFER(path, n_counter)->b_blocknr)
 			return REPEAT_SEARCH;
 		/* Return delimiting key if position in the parent is not equal to first/last one. */
 		if (c_lr_par == RIGHT_PARENTS)
-			n_first_last_position = B_NR_ITEMS(p_s_parent);
+			n_first_last_position = B_NR_ITEMS(parent);
 		if (n_position != n_first_last_position) {
-			*pp_s_com_father = p_s_parent;
-			get_bh(*pp_s_com_father);
-			/*(*pp_s_com_father = p_s_parent)->b_count++; */
+			*pcom_father = parent;
+			get_bh(*pcom_father);
+			/*(*pcom_father = parent)->b_count++; */
 			break;
 		}
 	}
@@ -1009,22 +1009,22 @@ static int get_far_parent(struct tree_balance *tb,
 		    (tb->tb_path,
 		     FIRST_PATH_ELEMENT_OFFSET)->b_blocknr ==
 		    SB_ROOT_BLOCK(tb->tb_sb)) {
-			*pp_s_father = *pp_s_com_father = NULL;
+			*pfather = *pcom_father = NULL;
 			return CARRY_ON;
 		}
 		return REPEAT_SEARCH;
 	}
 
-	RFALSE(B_LEVEL(*pp_s_com_father) <= DISK_LEAF_NODE_LEVEL,
+	RFALSE(B_LEVEL(*pcom_father) <= DISK_LEAF_NODE_LEVEL,
 	       "PAP-8185: (%b %z) level too small",
-	       *pp_s_com_father, *pp_s_com_father);
+	       *pcom_father, *pcom_father);
 
 	/* Check whether the common parent is locked. */
 
-	if (buffer_locked(*pp_s_com_father)) {
-		__wait_on_buffer(*pp_s_com_father);
+	if (buffer_locked(*pcom_father)) {
+		__wait_on_buffer(*pcom_father);
 		if (FILESYSTEM_CHANGED_TB(tb)) {
-			brelse(*pp_s_com_father);
+			brelse(*pcom_father);
 			return REPEAT_SEARCH;
 		}
 	}
@@ -1034,7 +1034,7 @@ static int get_far_parent(struct tree_balance *tb,
 
 	/* Form key to get parent of the left/right neighbor. */
 	le_key2cpu_key(&s_lr_father_key,
-		       B_N_PDELIM_KEY(*pp_s_com_father,
+		       B_N_PDELIM_KEY(*pcom_father,
 				      (c_lr_par ==
 				       LEFT_PARENTS) ? (tb->lkey[n_h - 1] =
 							n_position -
@@ -1053,14 +1053,14 @@ static int get_far_parent(struct tree_balance *tb,
 
 	if (FILESYSTEM_CHANGED_TB(tb)) {
 		pathrelse(&s_path_to_neighbor_father);
-		brelse(*pp_s_com_father);
+		brelse(*pcom_father);
 		return REPEAT_SEARCH;
 	}
 
-	*pp_s_father = PATH_PLAST_BUFFER(&s_path_to_neighbor_father);
+	*pfather = PATH_PLAST_BUFFER(&s_path_to_neighbor_father);
 
-	RFALSE(B_LEVEL(*pp_s_father) != n_h + 1,
-	       "PAP-8190: (%b %z) level too small", *pp_s_father, *pp_s_father);
+	RFALSE(B_LEVEL(*pfather) != n_h + 1,
+	       "PAP-8190: (%b %z) level too small", *pfather, *pfather);
 	RFALSE(s_path_to_neighbor_father.path_length <
 	       FIRST_PATH_ELEMENT_OFFSET, "PAP-8192: path length is too small");
 
@@ -1078,11 +1078,11 @@ static int get_far_parent(struct tree_balance *tb,
  */
 static int get_parents(struct tree_balance *tb, int n_h)
 {
-	struct treepath *p_s_path = tb->tb_path;
+	struct treepath *path = tb->tb_path;
 	int n_position,
 	    n_ret_value,
 	    n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h);
-	struct buffer_head *p_s_curf, *p_s_curcf;
+	struct buffer_head *curf, *curcf;
 
 	/* Current node is the root of the tree or will be root of the tree */
 	if (n_path_offset <= FIRST_PATH_ELEMENT_OFFSET) {
@@ -1100,66 +1100,65 @@ static int get_parents(struct tree_balance *tb, int n_h)
 	}
 
 	/* Get parent FL[n_path_offset] of L[n_path_offset]. */
-	if ((n_position = PATH_OFFSET_POSITION(p_s_path, n_path_offset - 1))) {
+	n_position = PATH_OFFSET_POSITION(path, n_path_offset - 1);
+	if (n_position) {
 		/* Current node is not the first child of its parent. */
-		/*(p_s_curf = p_s_curcf = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))->b_count += 2; */
-		p_s_curf = p_s_curcf =
-		    PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1);
-		get_bh(p_s_curf);
-		get_bh(p_s_curf);
+		curf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
+		curcf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
+		get_bh(curf);
+		get_bh(curf);
 		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(tb, n_h + 1, &p_s_curf,
-						  &p_s_curcf,
+		if ((n_ret_value = get_far_parent(tb, n_h + 1, &curf,
+						  &curcf,
 						  LEFT_PARENTS)) != CARRY_ON)
 			return n_ret_value;
 	}
 
 	brelse(tb->FL[n_h]);
-	tb->FL[n_h] = p_s_curf;	/* New initialization of FL[n_h]. */
+	tb->FL[n_h] = 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]. */
+	tb->CFL[n_h] = 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)),
-	       "PAP-8195: FL (%b) or CFL (%b) is invalid", p_s_curf, p_s_curcf);
+	RFALSE((curf && !B_IS_IN_TREE(curf)) ||
+	       (curcf && !B_IS_IN_TREE(curcf)),
+	       "PAP-8195: FL (%b) or CFL (%b) is invalid", curf, curcf);
 
 /* Get parent FR[n_h] of R[n_h]. */
 
 /* Current node is the last child of F[n_h]. FR[n_h] != F[n_h]. */
-	if (n_position == B_NR_ITEMS(PATH_H_PBUFFER(p_s_path, n_h + 1))) {
+	if (n_position == B_NR_ITEMS(PATH_H_PBUFFER(path, n_h + 1))) {
 /* Calculate current parent of R[n_h], which is the right neighbor of F[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(tb, n_h + 1, &p_s_curf, &p_s_curcf,
+		     get_far_parent(tb, n_h + 1, &curf, &curcf,
 				    RIGHT_PARENTS)) != CARRY_ON)
 			return n_ret_value;
 	} else {
 /* Current node is not the last child of its parent F[n_h]. */
-		/*(p_s_curf = p_s_curcf = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))->b_count += 2; */
-		p_s_curf = p_s_curcf =
-		    PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1);
-		get_bh(p_s_curf);
-		get_bh(p_s_curf);
+		curf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
+		curcf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
+		get_bh(curf);
+		get_bh(curf);
 		tb->rkey[n_h] = n_position;
 	}
 
 	brelse(tb->FR[n_h]);
 	/* New initialization of FR[n_path_offset]. */
-	tb->FR[n_h] = p_s_curf;
+	tb->FR[n_h] = curf;
 
 	brelse(tb->CFR[n_h]);
 	/* New initialization of CFR[n_path_offset]. */
-	tb->CFR[n_h] = p_s_curcf;
+	tb->CFR[n_h] = curcf;
 
-	RFALSE((p_s_curf && !B_IS_IN_TREE(p_s_curf)) ||
-	       (p_s_curcf && !B_IS_IN_TREE(p_s_curcf)),
-	       "PAP-8205: FR (%b) or CFR (%b) is invalid", p_s_curf, p_s_curcf);
+	RFALSE((curf && !B_IS_IN_TREE(curf)) ||
+	       (curcf && !B_IS_IN_TREE(curcf)),
+	       "PAP-8205: FR (%b) or CFR (%b) is invalid", curf, curcf);
 
 	return CARRY_ON;
 }
@@ -1893,7 +1892,7 @@ static int check_balance(int mode,
 static int get_direct_parent(struct tree_balance *tb, int n_h)
 {
 	struct buffer_head *bh;
-	struct treepath *p_s_path = tb->tb_path;
+	struct treepath *path = tb->tb_path;
 	int n_position,
 	    n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h);
 
@@ -1903,27 +1902,27 @@ static int get_direct_parent(struct tree_balance *tb, int n_h)
 		RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET - 1,
 		       "PAP-8260: invalid offset in the path");
 
-		if (PATH_OFFSET_PBUFFER(p_s_path, FIRST_PATH_ELEMENT_OFFSET)->
+		if (PATH_OFFSET_PBUFFER(path, FIRST_PATH_ELEMENT_OFFSET)->
 		    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;
+			PATH_OFFSET_PBUFFER(path, n_path_offset - 1) = NULL;
+			PATH_OFFSET_POSITION(path, n_path_offset - 1) = 0;
 			return CARRY_ON;
 		}
 		return REPEAT_SEARCH;	/* Root is changed and we must recalculate the path. */
 	}
 
 	if (!B_IS_IN_TREE
-	    (bh = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1)))
+	    (bh = PATH_OFFSET_PBUFFER(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,
+	     PATH_OFFSET_POSITION(path,
 				  n_path_offset - 1)) > B_NR_ITEMS(bh))
 		return REPEAT_SEARCH;
 
 	if (B_N_CHILD_NUM(bh, n_position) !=
-	    PATH_OFFSET_PBUFFER(p_s_path, n_path_offset)->b_blocknr)
+	    PATH_OFFSET_PBUFFER(path, n_path_offset)->b_blocknr)
 		/* Parent in the path is not parent of the current node in the tree. */
 		return REPEAT_SEARCH;
 
@@ -2319,7 +2318,7 @@ static int wait_tb_buffers_until_unlocked(struct tree_balance *tb)
  */
 
 int fix_nodes(int n_op_mode, struct tree_balance *tb,
-	      struct item_head *p_s_ins_ih, const void *data)
+	      struct item_head *ins_ih, const void *data)
 {
 	int n_ret_value, n_h, n_item_num = PATH_LAST_POSITION(tb->tb_path);
 	int n_pos_in_item;
@@ -2405,7 +2404,7 @@ int fix_nodes(int n_op_mode, struct tree_balance *tb,
 			goto repeat;
 
 		n_ret_value = check_balance(n_op_mode, tb, n_h, n_item_num,
-					    n_pos_in_item, p_s_ins_ih, data);
+					    n_pos_in_item, ins_ih, data);
 		if (n_ret_value != CARRY_ON) {
 			if (n_ret_value == NO_BALANCING_NEEDED) {
 				/* No balancing for higher levels needed. */
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 5e867be559ea..fd769c8dac32 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -68,10 +68,10 @@ inline int B_IS_IN_TREE(const struct buffer_head *bh)
 //
 // to gets item head in le form
 //
-inline void copy_item_head(struct item_head *p_v_to,
-			   const struct item_head *p_v_from)
+inline void copy_item_head(struct item_head *to,
+			   const struct item_head *from)
 {
-	memcpy(p_v_to, p_v_from, IH_SIZE);
+	memcpy(to, from, IH_SIZE);
 }
 
 /* k1 is pointer to on-disk structure which is stored in little-endian
@@ -135,15 +135,15 @@ static inline int comp_keys(const struct reiserfs_key *le_key,
 inline int comp_short_le_keys(const struct reiserfs_key *key1,
 			      const struct reiserfs_key *key2)
 {
-	__u32 *p_s_1_u32, *p_s_2_u32;
+	__u32 *k1_u32, *k2_u32;
 	int n_key_length = REISERFS_SHORT_KEY_LEN;
 
-	p_s_1_u32 = (__u32 *) key1;
-	p_s_2_u32 = (__u32 *) key2;
-	for (; n_key_length--; ++p_s_1_u32, ++p_s_2_u32) {
-		if (le32_to_cpu(*p_s_1_u32) < le32_to_cpu(*p_s_2_u32))
+	k1_u32 = (__u32 *) key1;
+	k2_u32 = (__u32 *) key2;
+	for (; n_key_length--; ++k1_u32, ++k2_u32) {
+		if (le32_to_cpu(*k1_u32) < le32_to_cpu(*k2_u32))
 			return -1;
-		if (le32_to_cpu(*p_s_1_u32) > le32_to_cpu(*p_s_2_u32))
+		if (le32_to_cpu(*k1_u32) > le32_to_cpu(*k2_u32))
 			return 1;
 	}
 	return 0;
@@ -174,8 +174,8 @@ inline int comp_le_keys(const struct reiserfs_key *k1,
  *  Binary search toolkit function                                        *
  *  Search for an item in the array by the item key                       *
  *  Returns:    1 if found,  0 if not found;                              *
- *        *p_n_pos = number of the searched element if found, else the    *
- *        number of the first element that is larger than p_v_key.        *
+ *        *pos = number of the searched element if found, else the        *
+ *        number of the first element that is larger than key.            *
  **************************************************************************/
 /* For those not familiar with binary search: n_lbound is the leftmost item that it
  could be, n_rbound the rightmost item that it could be.  We examine the item
@@ -184,28 +184,28 @@ inline int comp_le_keys(const struct reiserfs_key *k1,
  there are no possible items, and we have not found it. With each examination we
  cut the number of possible items it could be by one more than half rounded down,
  or we find it. */
-static inline int bin_search(const void *p_v_key,	/* Key to search for.                   */
-			     const void *p_v_base,	/* First item in the array.             */
-			     int p_n_num,	/* Number of items in the array.        */
-			     int p_n_width,	/* Item size in the array.
-						   searched. Lest the reader be
-						   confused, note that this is crafted
-						   as a general function, and when it
-						   is applied specifically to the array
-						   of item headers in a node, p_n_width
-						   is actually the item header size not
-						   the item size.                      */
-			     int *p_n_pos	/* Number of the searched for element. */
+static inline int bin_search(const void *key,	/* Key to search for. */
+			     const void *base,	/* First item in the array. */
+			     int num,	/* Number of items in the array. */
+			     int width,	/* Item size in the array.
+					   searched. Lest the reader be
+					   confused, note that this is crafted
+					   as a general function, and when it
+					   is applied specifically to the array
+					   of item headers in a node, width
+					   is actually the item header size not
+					   the item size. */
+			     int *pos /* Number of the searched for element. */
     )
 {
 	int n_rbound, n_lbound, n_j;
 
-	for (n_j = ((n_rbound = p_n_num - 1) + (n_lbound = 0)) / 2;
+	for (n_j = ((n_rbound = num - 1) + (n_lbound = 0)) / 2;
 	     n_lbound <= n_rbound; n_j = (n_rbound + n_lbound) / 2)
 		switch (comp_keys
-			((struct reiserfs_key *)((char *)p_v_base +
-						 n_j * p_n_width),
-			 (struct cpu_key *)p_v_key)) {
+			((struct reiserfs_key *)((char *)base +
+						 n_j * width),
+			 (struct cpu_key *)key)) {
 		case -1:
 			n_lbound = n_j + 1;
 			continue;
@@ -213,13 +213,13 @@ static inline int bin_search(const void *p_v_key,	/* Key to search for.
 			n_rbound = n_j - 1;
 			continue;
 		case 0:
-			*p_n_pos = n_j;
+			*pos = n_j;
 			return ITEM_FOUND;	/* Key found in the array.  */
 		}
 
 	/* bin_search did not find given key, it returns position of key,
 	   that is minimal and greater than the given one. */
-	*p_n_pos = n_lbound;
+	*pos = n_lbound;
 	return ITEM_NOT_FOUND;
 }
 
@@ -243,12 +243,12 @@ static const struct reiserfs_key MAX_KEY = {
    the path, there is no delimiting key in the tree (buffer is first or last buffer in tree), and in this
    case we return a special key, either MIN_KEY or MAX_KEY. */
 static inline const struct reiserfs_key *get_lkey(const struct treepath
-						  *p_s_chk_path,
+						  *chk_path,
 						  const struct super_block
 						  *sb)
 {
-	int n_position, n_path_offset = p_s_chk_path->path_length;
-	struct buffer_head *p_s_parent;
+	int n_position, n_path_offset = chk_path->path_length;
+	struct buffer_head *parent;
 
 	RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET,
 	       "PAP-5010: invalid offset in the path");
@@ -257,42 +257,42 @@ static inline const struct reiserfs_key *get_lkey(const struct treepath
 	while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) {
 
 		RFALSE(!buffer_uptodate
-		       (PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset)),
+		       (PATH_OFFSET_PBUFFER(chk_path, n_path_offset)),
 		       "PAP-5020: parent is not uptodate");
 
 		/* Parent at the path is not in the tree now. */
 		if (!B_IS_IN_TREE
-		    (p_s_parent =
-		     PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset)))
+		    (parent =
+		     PATH_OFFSET_PBUFFER(chk_path, n_path_offset)))
 			return &MAX_KEY;
 		/* Check whether position in the parent is correct. */
 		if ((n_position =
-		     PATH_OFFSET_POSITION(p_s_chk_path,
+		     PATH_OFFSET_POSITION(chk_path,
 					  n_path_offset)) >
-		    B_NR_ITEMS(p_s_parent))
+		    B_NR_ITEMS(parent))
 			return &MAX_KEY;
 		/* Check whether parent at the path really points to the child. */
-		if (B_N_CHILD_NUM(p_s_parent, n_position) !=
-		    PATH_OFFSET_PBUFFER(p_s_chk_path,
+		if (B_N_CHILD_NUM(parent, n_position) !=
+		    PATH_OFFSET_PBUFFER(chk_path,
 					n_path_offset + 1)->b_blocknr)
 			return &MAX_KEY;
 		/* Return delimiting key if position in the parent is not equal to zero. */
 		if (n_position)
-			return B_N_PDELIM_KEY(p_s_parent, n_position - 1);
+			return B_N_PDELIM_KEY(parent, n_position - 1);
 	}
 	/* 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)->
+	if (PATH_OFFSET_PBUFFER(chk_path, FIRST_PATH_ELEMENT_OFFSET)->
 	    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,
+inline const struct reiserfs_key *get_rkey(const struct treepath *chk_path,
 					   const struct super_block *sb)
 {
-	int n_position, n_path_offset = p_s_chk_path->path_length;
-	struct buffer_head *p_s_parent;
+	int n_position, n_path_offset = chk_path->path_length;
+	struct buffer_head *parent;
 
 	RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET,
 	       "PAP-5030: invalid offset in the path");
@@ -300,31 +300,31 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
 	while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) {
 
 		RFALSE(!buffer_uptodate
-		       (PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset)),
+		       (PATH_OFFSET_PBUFFER(chk_path, n_path_offset)),
 		       "PAP-5040: parent is not uptodate");
 
 		/* Parent at the path is not in the tree now. */
 		if (!B_IS_IN_TREE
-		    (p_s_parent =
-		     PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset)))
+		    (parent =
+		     PATH_OFFSET_PBUFFER(chk_path, n_path_offset)))
 			return &MIN_KEY;
 		/* Check whether position in the parent is correct. */
 		if ((n_position =
-		     PATH_OFFSET_POSITION(p_s_chk_path,
+		     PATH_OFFSET_POSITION(chk_path,
 					  n_path_offset)) >
-		    B_NR_ITEMS(p_s_parent))
+		    B_NR_ITEMS(parent))
 			return &MIN_KEY;
 		/* Check whether parent at the path really points to the child. */
-		if (B_N_CHILD_NUM(p_s_parent, n_position) !=
-		    PATH_OFFSET_PBUFFER(p_s_chk_path,
+		if (B_N_CHILD_NUM(parent, n_position) !=
+		    PATH_OFFSET_PBUFFER(chk_path,
 					n_path_offset + 1)->b_blocknr)
 			return &MIN_KEY;
 		/* Return delimiting key if position in the parent is not the last one. */
-		if (n_position != B_NR_ITEMS(p_s_parent))
-			return B_N_PDELIM_KEY(p_s_parent, n_position);
+		if (n_position != B_NR_ITEMS(parent))
+			return B_N_PDELIM_KEY(parent, n_position);
 	}
 	/* 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)->
+	if (PATH_OFFSET_PBUFFER(chk_path, FIRST_PATH_ELEMENT_OFFSET)->
 	    b_blocknr == SB_ROOT_BLOCK(sb))
 		return &MAX_KEY;
 	return &MIN_KEY;
@@ -335,25 +335,25 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
    the path.  These delimiting keys are stored at least one level above that buffer in the tree. If the
    buffer is the first or last node in the tree order then one of the delimiting keys may be absent, and in
    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 *sb	/* Super block pointer.	   */
+static inline int key_in_buffer(struct treepath *chk_path,	/* Path which should be checked.  */
+				const struct cpu_key *key,	/* Key which should be checked.   */
+				struct super_block *sb
     )
 {
 
-	RFALSE(!p_s_key || p_s_chk_path->path_length < FIRST_PATH_ELEMENT_OFFSET
-	       || p_s_chk_path->path_length > MAX_HEIGHT,
+	RFALSE(!key || chk_path->path_length < FIRST_PATH_ELEMENT_OFFSET
+	       || chk_path->path_length > MAX_HEIGHT,
 	       "PAP-5050: pointer to the key(%p) is NULL or invalid path length(%d)",
-	       p_s_key, p_s_chk_path->path_length);
-	RFALSE(!PATH_PLAST_BUFFER(p_s_chk_path)->b_bdev,
+	       key, chk_path->path_length);
+	RFALSE(!PATH_PLAST_BUFFER(chk_path)->b_bdev,
 	       "PAP-5060: device must not be NODEV");
 
-	if (comp_keys(get_lkey(p_s_chk_path, sb), p_s_key) == 1)
+	if (comp_keys(get_lkey(chk_path, sb), 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, 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 */
+	/*  if ( comp_keys(key, get_rkey(chk_path, sb)) != -1 ) */
+	if (comp_keys(get_rkey(chk_path, sb), key) != 1)
+		/* key must be less than right delimitiing key */
 		return 0;
 	return 1;
 }
@@ -369,34 +369,34 @@ int reiserfs_check_path(struct treepath *p)
  * dirty bits clean when preparing the buffer for the log.
  * This version should only be called from fix_nodes() */
 void pathrelse_and_restore(struct super_block *sb,
-			   struct treepath *p_s_search_path)
+			   struct treepath *search_path)
 {
-	int n_path_offset = p_s_search_path->path_length;
+	int n_path_offset = search_path->path_length;
 
 	RFALSE(n_path_offset < ILLEGAL_PATH_ELEMENT_OFFSET,
 	       "clm-4000: invalid path offset");
 
 	while (n_path_offset > ILLEGAL_PATH_ELEMENT_OFFSET) {
 		struct buffer_head *bh;
-		bh = PATH_OFFSET_PBUFFER(p_s_search_path, n_path_offset--);
+		bh = PATH_OFFSET_PBUFFER(search_path, n_path_offset--);
 		reiserfs_restore_prepared_buffer(sb, bh);
 		brelse(bh);
 	}
-	p_s_search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
+	search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
 }
 
 /* Drop the reference to each buffer in a path */
-void pathrelse(struct treepath *p_s_search_path)
+void pathrelse(struct treepath *search_path)
 {
-	int n_path_offset = p_s_search_path->path_length;
+	int n_path_offset = search_path->path_length;
 
 	RFALSE(n_path_offset < ILLEGAL_PATH_ELEMENT_OFFSET,
 	       "PAP-5090: invalid path offset");
 
 	while (n_path_offset > ILLEGAL_PATH_ELEMENT_OFFSET)
-		brelse(PATH_OFFSET_PBUFFER(p_s_search_path, n_path_offset--));
+		brelse(PATH_OFFSET_PBUFFER(search_path, n_path_offset--));
 
-	p_s_search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
+	search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
 }
 
 static int is_leaf(char *buf, int blocksize, struct buffer_head *bh)
@@ -547,9 +547,9 @@ static void search_by_key_reada(struct super_block *s,
  * Algorithm   SearchByKey                                                *
  *             look for item in the Disk S+Tree by its key                *
  * Input:  sb   -  super block                                            *
- *         p_s_key  - pointer to the key to search                        *
+ *         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        *
+ *         search_path - path from the root to the needed leaf            *
  **************************************************************************/
 
 /* This function fills up the path from the root to the leaf as it
@@ -566,8 +566,8 @@ 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 *sb, const struct cpu_key *p_s_key,	/* Key to search. */
-		  struct treepath *p_s_search_path,/* This structure was
+int search_by_key(struct super_block *sb, const struct cpu_key *key,	/* Key to search. */
+		  struct treepath *search_path,/* This structure was
 						   allocated and initialized
 						   by the calling
 						   function. It is filled up
@@ -580,7 +580,7 @@ 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 *bh;
-	struct path_element *p_s_last_element;
+	struct path_element *last_element;
 	int n_node_level, n_retval;
 	int right_neighbor_of_leaf_node;
 	int fs_gen;
@@ -598,7 +598,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 	   we must be careful to release all nodes in a path before we either
 	   discard the path struct or re-use the path struct, as we do here. */
 
-	pathrelse(p_s_search_path);
+	pathrelse(search_path);
 
 	right_neighbor_of_leaf_node = 0;
 
@@ -615,18 +615,18 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 					 "%s: there were %d iterations of "
 					 "while loop looking for key %K",
 					 current->comm, n_repeat_counter,
-					 p_s_key);
+					 key);
 #endif
 
 		/* prep path to have another element added to it. */
-		p_s_last_element =
-		    PATH_OFFSET_PELEMENT(p_s_search_path,
-					 ++p_s_search_path->path_length);
+		last_element =
+		    PATH_OFFSET_PELEMENT(search_path,
+					 ++search_path->path_length);
 		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 ((bh = p_s_last_element->pe_buffer =
+		if ((bh = last_element->pe_buffer =
 		     sb_getblk(sb, n_block_number))) {
 			if (!buffer_uptodate(bh) && reada_count > 1)
 				search_by_key_reada(sb, reada_bh,
@@ -637,8 +637,8 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 				goto io_error;
 		} else {
 		      io_error:
-			p_s_search_path->path_length--;
-			pathrelse(p_s_search_path);
+			search_path->path_length--;
+			pathrelse(search_path);
 			return IO_ERROR;
 		}
 		reada_count = 0;
@@ -652,12 +652,12 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 		if (fs_changed(fs_gen, sb) &&
 		    (!B_IS_IN_TREE(bh) ||
 		     B_LEVEL(bh) != expected_level ||
-		     !key_in_buffer(p_s_search_path, p_s_key, sb))) {
+		     !key_in_buffer(search_path, 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);
+			pathrelse(search_path);
 
 			/* Get the root block number so that we can repeat the search
 			   starting from the root. */
@@ -669,11 +669,11 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 			continue;
 		}
 
-		/* only check that the key is in the buffer if p_s_key is not
+		/* only check that the key is in the buffer if key is not
 		   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, sb),
+		RFALSE(comp_keys(&MAX_KEY, key) &&
+		       !key_in_buffer(search_path, key, sb),
 		       "PAP-5130: key is not in the buffer");
 #ifdef CONFIG_REISERFS_CHECK
 		if (cur_tb) {
@@ -689,7 +689,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 			reiserfs_error(sb, "vs-5150",
 				       "invalid format found in block %ld. "
 				       "Fsck?", bh->b_blocknr);
-			pathrelse(p_s_search_path);
+			pathrelse(search_path);
 			return IO_ERROR;
 		}
 
@@ -702,12 +702,12 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 		       "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(bh, 0),
+		n_retval = bin_search(key, B_N_PITEM_HEAD(bh, 0),
 				      B_NR_ITEMS(bh),
 				      (n_node_level ==
 				       DISK_LEAF_NODE_LEVEL) ? IH_SIZE :
 				      KEY_SIZE,
-				      &(p_s_last_element->pe_position));
+				      &(last_element->pe_position));
 		if (n_node_level == n_stop_level) {
 			return n_retval;
 		}
@@ -715,7 +715,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 		/* we are not in the stop level */
 		if (n_retval == ITEM_FOUND)
 			/* item has been found, so we choose the pointer which is to the right of the found one */
-			p_s_last_element->pe_position++;
+			last_element->pe_position++;
 
 		/* if item was not found we choose the position which is to
 		   the left of the found item. This requires no code,
@@ -725,23 +725,23 @@ 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(bh, p_s_last_element->pe_position);
+		    B_N_CHILD_NUM(bh, 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) &&
+		if ((search_path->reada & PATH_READA) &&
 		    n_node_level == DISK_LEAF_NODE_LEVEL + 1) {
-			int pos = p_s_last_element->pe_position;
+			int pos = last_element->pe_position;
 			int limit = B_NR_ITEMS(bh);
 			struct reiserfs_key *le_key;
 
-			if (p_s_search_path->reada & PATH_READA_BACK)
+			if (search_path->reada & PATH_READA_BACK)
 				limit = 0;
 			while (reada_count < SEARCH_BY_KEY_READA) {
 				if (pos == limit)
 					break;
 				reada_blocks[reada_count++] =
 				    B_N_CHILD_NUM(bh, pos);
-				if (p_s_search_path->reada & PATH_READA_BACK)
+				if (search_path->reada & PATH_READA_BACK)
 					pos--;
 				else
 					pos++;
@@ -751,7 +751,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 				 */
 				le_key = B_N_PDELIM_KEY(bh, pos);
 				if (le32_to_cpu(le_key->k_objectid) !=
-				    p_s_key->on_disk_key.k_objectid) {
+				    key->on_disk_key.k_objectid) {
 					break;
 				}
 			}
@@ -760,11 +760,11 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key,	/* Key
 }
 
 /* Form the path to an item and position in this item which contains
-   file byte defined by p_s_key. If there is no such item
+   file byte defined by key. If there is no such item
    corresponding to the key, we point the path to the item with
-   maximal key less than p_s_key, and *p_n_pos_in_item is set to one
+   maximal key less than key, and *pos_in_item is set to one
    past the l