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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-05-16 19:53:46 +0300
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-05-16 19:53:46 +0300
commitf70b7e52aa23c9aea5346b9730b402fb55f9079b (patch)
tree20882b6e8345b8836d395248fd7f31fce7d09236
parent1baafd28dc17422f10be9b2a3a75432154e3abc7 (diff)
downloadop-kernel-dev-f70b7e52aa23c9aea5346b9730b402fb55f9079b.zip
op-kernel-dev-f70b7e52aa23c9aea5346b9730b402fb55f9079b.tar.gz
UBIFS: remove Kconfig debugging option
Have the debugging stuff always compiled-in instead. It simplifies maintanance a lot. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
-rw-r--r--fs/ubifs/Kconfig17
-rw-r--r--fs/ubifs/Makefile4
-rw-r--r--fs/ubifs/commit.c6
-rw-r--r--fs/ubifs/debug.c4
-rw-r--r--fs/ubifs/debug.h153
-rw-r--r--fs/ubifs/dir.c8
-rw-r--r--fs/ubifs/log.c8
-rw-r--r--fs/ubifs/lprops.c6
-rw-r--r--fs/ubifs/lpt.c4
-rw-r--r--fs/ubifs/lpt_commit.c10
-rw-r--r--fs/ubifs/orphan.c10
-rw-r--r--fs/ubifs/sb.c2
-rw-r--r--fs/ubifs/tnc.c4
-rw-r--r--fs/ubifs/tnc_commit.c10
-rw-r--r--fs/ubifs/ubifs.h11
15 files changed, 19 insertions, 238 deletions
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig
index e49a23c..ba66d508 100644
--- a/fs/ubifs/Kconfig
+++ b/fs/ubifs/Kconfig
@@ -35,20 +35,3 @@ config UBIFS_FS_ZLIB
default y
help
Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
-
-# Debugging-related stuff
-config UBIFS_FS_DEBUG
- bool "Enable debugging support"
- depends on UBIFS_FS
- select DEBUG_FS
- select KALLSYMS
- help
- This option enables UBIFS debugging support. It makes sure various
- assertions, self-checks, debugging messages and test modes are compiled
- in (this all is compiled out otherwise). Assertions are light-weight
- and this option also enables them. Self-checks, debugging messages and
- test modes are switched off by default. Thus, it is safe and actually
- recommended to have debugging support enabled, and it should not slow
- down UBIFS. You can then further enable / disable individual debugging
- features using UBIFS module parameters and the corresponding sysfs
- interfaces.
diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile
index 4878614..2c6f0cb 100644
--- a/fs/ubifs/Makefile
+++ b/fs/ubifs/Makefile
@@ -3,6 +3,4 @@ obj-$(CONFIG_UBIFS_FS) += ubifs.o
ubifs-y += shrinker.o journal.o file.o dir.o super.o sb.o io.o
ubifs-y += tnc.o master.o scan.o replay.o log.o commit.o gc.o orphan.o
ubifs-y += budget.o find.o tnc_commit.o compress.o lpt.o lprops.o
-ubifs-y += recovery.o ioctl.o lpt_commit.o tnc_misc.o xattr.o
-
-ubifs-$(CONFIG_UBIFS_FS_DEBUG) += debug.o
+ubifs-y += recovery.o ioctl.o lpt_commit.o tnc_misc.o xattr.o debug.o
diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c
index 4f795d1..5da20c19 100644
--- a/fs/ubifs/commit.c
+++ b/fs/ubifs/commit.c
@@ -496,7 +496,9 @@ int ubifs_gc_should_commit(struct ubifs_info *c)
return ret;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
+/*
+ * Everything below is related to debugging.
+ */
/**
* struct idx_node - hold index nodes during index tree traversal.
@@ -734,5 +736,3 @@ out_free:
err = -EINVAL;
return err;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 914b4c8..3eef253 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -34,8 +34,6 @@
#include <linux/random.h>
#include "ubifs.h"
-#ifdef CONFIG_UBIFS_FS_DEBUG
-
static DEFINE_SPINLOCK(dbg_lock);
static const char *get_key_fmt(int fmt)
@@ -3189,5 +3187,3 @@ void ubifs_debugging_exit(struct ubifs_info *c)
{
kfree(c->dbg);
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index b34aeff..7a6a9e2 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -29,8 +29,6 @@ typedef int (*dbg_leaf_callback)(struct ubifs_info *c,
typedef int (*dbg_znode_callback)(struct ubifs_info *c,
struct ubifs_znode *znode, void *priv);
-#ifdef CONFIG_UBIFS_FS_DEBUG
-
/*
* The UBIFS debugfs directory name pattern and maximum name length (3 for "ubi"
* + 1 for "_" and plus 2x2 for 2 UBI numbers and 1 for the trailing zero byte.
@@ -317,155 +315,4 @@ void dbg_debugfs_exit(void);
int dbg_debugfs_init_fs(struct ubifs_info *c);
void dbg_debugfs_exit_fs(struct ubifs_info *c);
-#else /* !CONFIG_UBIFS_FS_DEBUG */
-
-/* Use "if (0)" to make compiler check arguments even if debugging is off */
-#define ubifs_assert(expr) do { \
- if (0) \
- printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
- __func__, __LINE__, current->pid); \
-} while (0)
-
-#define dbg_err(fmt, ...) do { \
- if (0) \
- ubifs_err(fmt, ##__VA_ARGS__); \
-} while (0)
-
-#define ubifs_dbg_msg(fmt, ...) do { \
- if (0) \
- printk(KERN_DEBUG fmt "\n", ##__VA_ARGS__); \
-} while (0)
-
-#define ubifs_assert_cmt_locked(c)
-
-#define dbg_msg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_gen(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_jnl(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_jnlk(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_tnc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_tnck(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_lp(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_find(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_mnt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_mntk(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_io(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_cmt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_budg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_log(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_gc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_scan(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-#define dbg_rcvry(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
-
-static inline int ubifs_debugging_init(struct ubifs_info *c) { return 0; }
-static inline void ubifs_debugging_exit(struct ubifs_info *c) { return; }
-static inline const char *dbg_ntype(int type) { return ""; }
-static inline const char *dbg_cstate(int cmt_state) { return ""; }
-static inline const char *dbg_jhead(int jhead) { return ""; }
-static inline const char *
-dbg_get_key_dump(const struct ubifs_info *c,
- const union ubifs_key *key) { return ""; }
-static inline const char *
-dbg_snprintf_key(const struct ubifs_info *c,
- const union ubifs_key *key, char *buffer,
- int len) { return ""; }
-static inline void ubifs_dump_inode(struct ubifs_info *c,
- const struct inode *inode) { return; }
-static inline void ubifs_dump_node(const struct ubifs_info *c,
- const void *node) { return; }
-static inline void
-ubifs_dump_budget_req(const struct ubifs_budget_req *req) { return; }
-static inline void
-ubifs_dump_lstats(const struct ubifs_lp_stats *lst) { return; }
-static inline void
-ubifs_dump_budg(struct ubifs_info *c,
- const struct ubifs_budg_info *bi) { return; }
-static inline void ubifs_dump_lprop(const struct ubifs_info *c,
- const struct ubifs_lprops *lp){ return; }
-static inline void ubifs_dump_lprops(struct ubifs_info *c) { return; }
-static inline void ubifs_dump_lpt_info(struct ubifs_info *c) { return; }
-static inline void ubifs_dump_leb(const struct ubifs_info *c,
- int lnum) { return; }
-static inline void
-ubifs_dump_sleb(const struct ubifs_info *c,
- const struct ubifs_scan_leb *sleb, int offs) { return; }
-static inline void
-ubifs_dump_znode(const struct ubifs_info *c,
- const struct ubifs_znode *znode) { return; }
-static inline void ubifs_dump_heap(struct ubifs_info *c,
- struct ubifs_lpt_heap *heap,
- int cat) { return; }
-static inline void ubifs_dump_pnode(struct ubifs_info *c,
- struct ubifs_pnode *pnode,
- struct ubifs_nnode *parent,
- int iip) { return; }
-static inline void ubifs_dump_tnc(struct ubifs_info *c) { return; }
-static inline void ubifs_dump_index(struct ubifs_info *c) { return; }
-static inline void ubifs_dump_lpt_lebs(const struct ubifs_info *c){ return; }
-
-static inline int dbg_walk_index(struct ubifs_info *c,
- dbg_leaf_callback leaf_cb,
- dbg_znode_callback znode_cb,
- void *priv) { return 0; }
-static inline void dbg_save_space_info(struct ubifs_info *c) { return; }
-static inline int dbg_check_space_info(struct ubifs_info *c) { return 0; }
-static inline int dbg_check_lprops(struct ubifs_info *c) { return 0; }
-static inline int
-dbg_old_index_check_init(struct ubifs_info *c,
- struct ubifs_zbranch *zroot) { return 0; }
-static inline int
-dbg_check_old_index(struct ubifs_info *c,
- struct ubifs_zbranch *zroot) { return 0; }
-static inline int dbg_check_cats(struct ubifs_info *c) { return 0; }
-static inline int dbg_check_ltab(struct ubifs_info *c) { return 0; }
-static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c) { return 0; }
-static inline int dbg_chk_lpt_sz(struct ubifs_info *c,
- int action, int len) { return 0; }
-static inline int
-dbg_check_synced_i_size(const struct ubifs_info *c,
- struct inode *inode) { return 0; }
-static inline int dbg_check_dir(struct ubifs_info *c,
- const struct inode *dir) { return 0; }
-static inline int dbg_check_tnc(struct ubifs_info *c, int extra) { return 0; }
-static inline int dbg_check_idx_size(struct ubifs_info *c,
- long long idx_size) { return 0; }
-static inline int dbg_check_filesystem(struct ubifs_info *c) { return 0; }
-static inline void dbg_check_heap(struct ubifs_info *c,
- struct ubifs_lpt_heap *heap,
- int cat, int add_pos) { return; }
-static inline int dbg_check_lpt_nodes(struct ubifs_info *c,
- struct ubifs_cnode *cnode, int row, int col) { return 0; }
-static inline int dbg_check_inode_size(struct ubifs_info *c,
- const struct inode *inode,
- loff_t size) { return 0; }
-static inline int
-dbg_check_data_nodes_order(struct ubifs_info *c,
- struct list_head *head) { return 0; }
-static inline int
-dbg_check_nondata_nodes_order(struct ubifs_info *c,
- struct list_head *head) { return 0; }
-
-static inline int dbg_leb_write(struct ubifs_info *c, int lnum,
- const void *buf, int offset,
- int len, int dtype) { return 0; }
-static inline int dbg_leb_change(struct ubifs_info *c, int lnum,
- const void *buf, int len,
- int dtype) { return 0; }
-static inline int dbg_leb_unmap(struct ubifs_info *c, int lnum) { return 0; }
-static inline int dbg_leb_map(struct ubifs_info *c, int lnum,
- int dtype) { return 0; }
-
-static inline int dbg_is_chk_gen(const struct ubifs_info *c) { return 0; }
-static inline int dbg_is_chk_index(const struct ubifs_info *c) { return 0; }
-static inline int dbg_is_chk_orph(const struct ubifs_info *c) { return 0; }
-static inline int dbg_is_chk_lprops(const struct ubifs_info *c) { return 0; }
-static inline int dbg_is_chk_fs(const struct ubifs_info *c) { return 0; }
-static inline int dbg_is_tst_rcvry(const struct ubifs_info *c) { return 0; }
-static inline int dbg_is_power_cut(const struct ubifs_info *c) { return 0; }
-
-static inline int dbg_debugfs_init(void) { return 0; }
-static inline void dbg_debugfs_exit(void) { return; }
-static inline int dbg_debugfs_init_fs(struct ubifs_info *c) { return 0; }
-static inline int dbg_debugfs_exit_fs(struct ubifs_info *c) { return 0; }
-
-#endif /* !CONFIG_UBIFS_FS_DEBUG */
#endif /* !__UBIFS_DEBUG_H__ */
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ad6e550..62a2727 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -170,8 +170,6 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir,
return inode;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
-
static int dbg_check_name(const struct ubifs_info *c,
const struct ubifs_dent_node *dent,
const struct qstr *nm)
@@ -185,12 +183,6 @@ static int dbg_check_name(const struct ubifs_info *c,
return 0;
}
-#else
-
-#define dbg_check_name(c, dent, nm) 0
-
-#endif
-
static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
diff --git a/fs/ubifs/log.c b/fs/ubifs/log.c
index f9fd068..9967b5a 100644
--- a/fs/ubifs/log.c
+++ b/fs/ubifs/log.c
@@ -29,11 +29,7 @@
#include "ubifs.h"
-#ifdef CONFIG_UBIFS_FS_DEBUG
static int dbg_check_bud_bytes(struct ubifs_info *c);
-#else
-#define dbg_check_bud_bytes(c) 0
-#endif
/**
* ubifs_search_bud - search bud LEB.
@@ -734,8 +730,6 @@ out_free:
return err;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
-
/**
* dbg_check_bud_bytes - make sure bud bytes calculation are all right.
* @c: UBIFS file-system description object
@@ -767,5 +761,3 @@ static int dbg_check_bud_bytes(struct ubifs_info *c)
return err;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index 0cf7a18..86eb8e5 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -846,7 +846,9 @@ const struct ubifs_lprops *ubifs_fast_find_frdi_idx(struct ubifs_info *c)
return lprops;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
+/*
+ * Everything below is related to debugging.
+ */
/**
* dbg_check_cats - check category heaps and lists.
@@ -1315,5 +1317,3 @@ int dbg_check_lprops(struct ubifs_info *c)
out:
return err;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index b6db389..5d1d97d 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -2080,8 +2080,6 @@ out:
return err;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
-
/**
* dbg_chk_pnode - check a pnode.
* @c: the UBIFS file-system description object
@@ -2274,5 +2272,3 @@ int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode,
}
return 0;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 8294d5a..97822db 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -30,11 +30,7 @@
#include <linux/random.h>
#include "ubifs.h"
-#ifdef CONFIG_UBIFS_FS_DEBUG
static int dbg_populate_lsave(struct ubifs_info *c);
-#else
-#define dbg_populate_lsave(c) 0
-#endif
/**
* first_dirty_cnode - find first dirty cnode.
@@ -1497,7 +1493,9 @@ void ubifs_lpt_free(struct ubifs_info *c, int wr_only)
kfree(c->lpt_nod_buf);
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
+/*
+ * Everything below is related to debugging.
+ */
/**
* dbg_is_all_ff - determine if a buffer contains only 0xFF bytes.
@@ -2046,5 +2044,3 @@ static int dbg_populate_lsave(struct ubifs_info *c)
return 1;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c
index 48ac721..97ad042 100644
--- a/fs/ubifs/orphan.c
+++ b/fs/ubifs/orphan.c
@@ -52,11 +52,7 @@
* than the maximum number of orphans allowed.
*/
-#ifdef CONFIG_UBIFS_FS_DEBUG
static int dbg_check_orphans(struct ubifs_info *c);
-#else
-#define dbg_check_orphans(c) 0
-#endif
/**
* ubifs_add_orphan - add an orphan.
@@ -725,7 +721,9 @@ int ubifs_mount_orphans(struct ubifs_info *c, int unclean, int read_only)
return err;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
+/*
+ * Everything below is related to debugging.
+ */
struct check_orphan {
struct rb_node rb;
@@ -968,5 +966,3 @@ out:
kfree(ci.node);
return err;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c
index c51f6a4..a880d0c 100644
--- a/fs/ubifs/sb.c
+++ b/fs/ubifs/sb.c
@@ -130,7 +130,6 @@ static int create_default_filesystem(struct ubifs_info *c)
* orphan node.
*/
orph_lebs = UBIFS_MIN_ORPH_LEBS;
-#ifdef CONFIG_UBIFS_FS_DEBUG
if (c->leb_cnt - min_leb_cnt > 1)
/*
* For debugging purposes it is better to have at least 2
@@ -138,7 +137,6 @@ static int create_default_filesystem(struct ubifs_info *c)
* consolidations and would be stressed more.
*/
orph_lebs += 1;
-#endif
main_lebs = c->leb_cnt - UBIFS_SB_LEBS - UBIFS_MST_LEBS - log_lebs;
main_lebs -= orph_lebs;
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 12c25d9..a50b6bd 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -3275,8 +3275,6 @@ out_unlock:
return err;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
-
/**
* dbg_check_inode_size - check if inode size is correct.
* @c: UBIFS file-system description object
@@ -3343,5 +3341,3 @@ out_unlock:
mutex_unlock(&c->tnc_mutex);
return err;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/tnc_commit.c b/fs/ubifs/tnc_commit.c
index e8cf891..ef5df1e 100644
--- a/fs/ubifs/tnc_commit.c
+++ b/fs/ubifs/tnc_commit.c
@@ -61,11 +61,9 @@ static int make_idx_node(struct ubifs_info *c, struct ubifs_idx_node *idx,
}
ubifs_prepare_node(c, idx, len, 0);
-#ifdef CONFIG_UBIFS_FS_DEBUG
znode->lnum = lnum;
znode->offs = offs;
znode->len = len;
-#endif
err = insert_old_idx_znode(c, znode);
@@ -456,11 +454,9 @@ static int layout_in_empty_space(struct ubifs_info *c)
offs = buf_offs + used;
-#ifdef CONFIG_UBIFS_FS_DEBUG
znode->lnum = lnum;
znode->offs = offs;
znode->len = len;
-#endif
/* Update the parent */
zp = znode->parent;
@@ -536,10 +532,8 @@ static int layout_in_empty_space(struct ubifs_info *c)
break;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
c->dbg->new_ihead_lnum = lnum;
c->dbg->new_ihead_offs = buf_offs;
-#endif
return 0;
}
@@ -881,13 +875,11 @@ static int write_index(struct ubifs_info *c)
}
offs = buf_offs + used;
-#ifdef CONFIG_UBIFS_FS_DEBUG
if (lnum != znode->lnum || offs != znode->offs ||
len != znode->len) {
ubifs_err("inconsistent znode posn");
return -EINVAL;
}
-#endif
/* Grab some stuff from znode while we still can */
cnext = znode->cnext;
@@ -982,13 +974,11 @@ static int write_index(struct ubifs_info *c)
break;
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
if (lnum != c->dbg->new_ihead_lnum ||
buf_offs != c->dbg->new_ihead_offs) {
ubifs_err("inconsistent ihead");
return -EINVAL;
}
-#endif
c->ihead_lnum = lnum;
c->ihead_offs = buf_offs;
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 93d59ac..c2cf509 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -762,6 +762,9 @@ struct ubifs_zbranch {
* @offs: offset of the corresponding indexing node
* @len: length of the corresponding indexing node
* @zbranch: array of znode branches (@c->fanout elements)
+ *
+ * Note! The @lnum, @offs, and @len fields are not really needed - we have them
+ * only for internal consistency check. They could be removed to save some RAM.
*/
struct ubifs_znode {
struct ubifs_znode *parent;
@@ -772,9 +775,9 @@ struct ubifs_znode {
int child_cnt;
int iip;
int alt;
-#ifdef CONFIG_UBIFS_FS_DEBUG
- int lnum, offs, len;
-#endif
+ int lnum;
+ int offs;
+ int len;
struct ubifs_zbranch zbranch[];
};
@@ -1444,9 +1447,7 @@ struct ubifs_info {
struct rb_root size_tree;
struct ubifs_mount_opts mount_opts;
-#ifdef CONFIG_UBIFS_FS_DEBUG
struct ubifs_debug_info *dbg;
-#endif
};
extern struct list_head ubifs_infos;
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