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>

8 files changed, 24 insertions, 27 deletions

diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 1934084e2088..139025ad2ec8 100644
--- a/fs/ubifs/debug.c
+++ b/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);
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index 9f717655df18..6e5d345a0f7e 100644
--- a/fs/ubifs/debug.h
+++ b/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__)
diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 9228950a658f..16d4065da7d6 100644
--- a/fs/ubifs/io.c
+++ b/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 @@ out:
         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 @@ out:
         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 @@ out:
         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;
 }
 
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index bc75e9dfab92..bad8b5fe47c7 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -385,7 +385,7 @@ out:
         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);
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index b5c95a69d95f..2e4bc27fb02a 100644
--- a/fs/ubifs/lprops.c
+++ b/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);
         }
 }
diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index 66d59d0a1402..4b62998697df 100644
--- a/fs/ubifs/lpt.c
+++ b/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;
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c
index c542c73cfa3c..be18de8f4efc 100644
--- a/fs/ubifs/orphan.c
+++ b/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();
 }
 
 /**
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 16ad84d8402f..2e0bc4efb70e 100644
--- a/fs/ubifs/tnc.c
+++ b/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 @@ out_err:
 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 @@ out_dump:
                   ((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: