UBIFS: get rid of dbg_dump_stack

In case of errors we almost always need the stack dump - it makes no sense
to compile it out. Remove the 'dbg_dump_stack()' function completely.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

fs/ubifs/debug.c

@@ -1160,7 +1160,7 @@ int dbg_check_synced_i_size(const struct ubifs_info *c, struct inode *inode)
 			  "is clean", ui->ui_size, ui->synced_i_size);
 		ubifs_err("i_ino %lu, i_mode %#x, i_size %lld", inode->i_ino,
 			  inode->i_mode, i_size_read(inode));
-		dbg_dump_stack();
+		dump_stack();
 		err = -EINVAL;
 	}
 	spin_unlock(&ui->ui_lock);

fs/ubifs/debug.h

@@ -149,7 +149,7 @@ struct ubifs_global_debug_info {
 	if (unlikely(!(expr))) {                                               \
 		printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
 		       __func__, __LINE__, current->pid);                      \
-		dbg_dump_stack();                                              \
+		dump_stack();                                                  \
 	}                                                                      \
 } while (0)
 
@@ -161,8 +161,6 @@ struct ubifs_global_debug_info {
 	}                                                                      \
 } while (0)
 
-#define dbg_dump_stack() dump_stack()
-
 #define dbg_err(fmt, ...) do {                                                 \
 	ubifs_err(fmt, ##__VA_ARGS__);                                         \
 } while (0)
@@ -341,7 +339,6 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c);
 		printk(KERN_DEBUG fmt "\n", ##__VA_ARGS__); \
 } while (0)
 
-#define dbg_dump_stack()
 #define ubifs_assert_cmt_locked(c)
 
 #define dbg_msg(fmt, ...)       ubifs_dbg_msg(fmt, ##__VA_ARGS__)

fs/ubifs/io.c

@@ -109,7 +109,7 @@ int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,
 	if (err && (err != -EBADMSG || even_ebadmsg)) {
 		ubifs_err("reading %d bytes from LEB %d:%d failed, error %d",
 			  len, lnum, offs, err);
-		dbg_dump_stack();
+		dump_stack();
 	}
 	return err;
 }
@@ -130,7 +130,7 @@ int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
 		ubifs_err("writing %d bytes to LEB %d:%d failed, error %d",
 			  len, lnum, offs, err);
 		ubifs_ro_mode(c, err);
-		dbg_dump_stack();
+		dump_stack();
 	}
 	return err;
 }
@@ -151,7 +151,7 @@ int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len,
 		ubifs_err("changing %d bytes in LEB %d failed, error %d",
 			  len, lnum, err);
 		ubifs_ro_mode(c, err);
-		dbg_dump_stack();
+		dump_stack();
 	}
 	return err;
 }
@@ -170,7 +170,7 @@ int ubifs_leb_unmap(struct ubifs_info *c, int lnum)
 	if (err) {
 		ubifs_err("unmap LEB %d failed, error %d", lnum, err);
 		ubifs_ro_mode(c, err);
-		dbg_dump_stack();
+		dump_stack();
 	}
 	return err;
 }
@@ -189,7 +189,7 @@ int ubifs_leb_map(struct ubifs_info *c, int lnum, int dtype)
 	if (err) {
 		ubifs_err("mapping LEB %d failed, error %d", lnum, err);
 		ubifs_ro_mode(c, err);
-		dbg_dump_stack();
+		dump_stack();
 	}
 	return err;
 }
@@ -202,7 +202,7 @@ int ubifs_is_mapped(const struct ubifs_info *c, int lnum)
 	if (err < 0) {
 		ubifs_err("ubi_is_mapped failed for LEB %d, error %d",
 			  lnum, err);
-		dbg_dump_stack();
+		dump_stack();
 	}
 	return err;
 }
@@ -295,7 +295,7 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
 	if (!quiet) {
 		ubifs_err("bad node at LEB %d:%d", lnum, offs);
 		dbg_dump_node(c, buf);
-		dbg_dump_stack();
+		dump_stack();
 	}
 	return err;
 }
@@ -842,7 +842,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
 	ubifs_err("cannot write %d bytes to LEB %d:%d, error %d",
 		  len, wbuf->lnum, wbuf->offs, err);
 	dbg_dump_node(c, buf);
-	dbg_dump_stack();
+	dump_stack();
 	dbg_dump_leb(c, wbuf->lnum);
 	return err;
 }
@@ -961,7 +961,7 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len,
 out:
 	ubifs_err("bad node at LEB %d:%d", lnum, offs);
 	dbg_dump_node(c, buf);
-	dbg_dump_stack();
+	dump_stack();
 	return -EINVAL;
 }
 
@@ -1018,7 +1018,7 @@ int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len,
 	ubifs_err("bad node at LEB %d:%d, LEB mapping status %d", lnum, offs,
 		  ubi_is_mapped(c->ubi, lnum));
 	dbg_dump_node(c, buf);
-	dbg_dump_stack();
+	dump_stack();
 	return -EINVAL;
 }
 

fs/ubifs/journal.c

@@ -385,7 +385,7 @@ static int make_reservation(struct ubifs_info *c, int jhead, int len)
 	if (err == -ENOSPC) {
 		/* This are some budgeting problems, print useful information */
 		down_write(&c->commit_sem);
-		dbg_dump_stack();
+		dump_stack();
 		dbg_dump_budg(c, &c->bi);
 		dbg_dump_lprops(c);
 		cmt_retries = dbg_check_lprops(c);

fs/ubifs/lprops.c

@@ -1001,7 +1001,7 @@ void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
 out:
 	if (err) {
 		dbg_msg("failed cat %d hpos %d err %d", cat, i, err);
-		dbg_dump_stack();
+		dump_stack();
 		dbg_dump_heap(c, heap, cat);
 	}
 }

fs/ubifs/lpt.c

@@ -926,7 +926,7 @@ static int check_lpt_crc(void *buf, int len)
 	if (crc != calc_crc) {
 		ubifs_err("invalid crc in LPT node: crc %hx calc %hx", crc,
 			  calc_crc);
-		dbg_dump_stack();
+		dump_stack();
 		return -EINVAL;
 	}
 	return 0;
@@ -949,7 +949,7 @@ static int check_lpt_type(uint8_t **addr, int *pos, int type)
 	if (node_type != type) {
 		ubifs_err("invalid type (%d) in LPT node type %d", node_type,
 			  type);
-		dbg_dump_stack();
+		dump_stack();
 		return -EINVAL;
 	}
 	return 0;
@@ -1247,7 +1247,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
 
 out:
 	ubifs_err("error %d reading nnode at %d:%d", err, lnum, offs);
-	dbg_dump_stack();
+	dump_stack();
 	kfree(nnode);
 	return err;
 }
@@ -1313,7 +1313,7 @@ static int read_pnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
 out:
 	ubifs_err("error %d reading pnode at %d:%d", err, lnum, offs);
 	dbg_dump_pnode(c, pnode, parent, iip);
-	dbg_dump_stack();
+	dump_stack();
 	dbg_msg("calc num: %d", calc_pnode_num_from_parent(c, parent, iip));
 	kfree(pnode);
 	return err;

fs/ubifs/orphan.c

@@ -159,7 +159,7 @@ void ubifs_delete_orphan(struct ubifs_info *c, ino_t inum)
 	}
 	spin_unlock(&c->orphan_lock);
 	dbg_err("missing orphan ino %lu", (unsigned long)inum);
-	dbg_dump_stack();
+	dump_stack();
 }
 
 /**

fs/ubifs/tnc.c

@@ -339,7 +339,7 @@ static int lnc_add(struct ubifs_info *c, struct ubifs_zbranch *zbr,
 
 	err = ubifs_validate_entry(c, dent);
 	if (err) {
-		dbg_dump_stack();
+		dump_stack();
 		dbg_dump_node(c, dent);
 		return err;
 	}
@@ -372,7 +372,7 @@ static int lnc_add_directly(struct ubifs_info *c, struct ubifs_zbranch *zbr,
 
 	err = ubifs_validate_entry(c, node);
 	if (err) {
-		dbg_dump_stack();
+		dump_stack();
 		dbg_dump_node(c, node);
 		return err;
 	}
@@ -1734,7 +1734,7 @@ static int validate_data_node(struct ubifs_info *c, void *buf,
 out:
 	ubifs_err("bad node at LEB %d:%d", zbr->lnum, zbr->offs);
 	dbg_dump_node(c, buf);
-	dbg_dump_stack();
+	dump_stack();
 	return err;
 }
 
@@ -1775,7 +1775,7 @@ int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu)
 	if (err && err != -EBADMSG) {
 		ubifs_err("failed to read from LEB %d:%d, error %d",
 			  lnum, offs, err);
-		dbg_dump_stack();
+		dump_stack();
 		dbg_tnck(&bu->key, "key ");
 		return err;
 	}
@@ -3336,7 +3336,7 @@ int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode,
 		  ((loff_t)block) << UBIFS_BLOCK_SHIFT);
 	mutex_unlock(&c->tnc_mutex);
 	dbg_dump_inode(c, inode);
-	dbg_dump_stack();
+	dump_stack();
 	return -EINVAL;
 
 out_unlock: