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UBIFS: improve arguments checking in debugging messages

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Use "if (0) printk()" construct in debugging print macros to
make the debugging messages be checked even if debugging is
off.

This patch also removes some unneeded spaces and blank lines.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2008-08-01 18:13:37 +03:00
parent 81ffa38e15
commit 840dc6b891
1 changed files with 67 additions and 72 deletions
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139
fs/ubifs/debug.h
View file

@ -27,7 +27,7 @@
#define UBIFS_DBG(op) op #define UBIFS_DBG(op) op
#define ubifs_assert(expr) do { \ #define ubifs_assert(expr) do { \
if (unlikely(!(expr))) { \ if (unlikely(!(expr))) { \
printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \ printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
__func__, __LINE__, current->pid); \ __func__, __LINE__, current->pid); \
@ -73,50 +73,50 @@ const char *dbg_key_str1(const struct ubifs_info *c,
const union ubifs_key *key); const union ubifs_key *key);
/* /*
* DBGKEY macros require dbg_lock to be held, which it is in the dbg message * DBGKEY macros require @dbg_lock to be held, which it is in the dbg message
* macros. * macros.
*/ */
#define DBGKEY(key) dbg_key_str0(c, (key)) #define DBGKEY(key) dbg_key_str0(c, (key))
#define DBGKEY1(key) dbg_key_str1(c, (key)) #define DBGKEY1(key) dbg_key_str1(c, (key))
/* General messages */ /* General messages */
#define dbg_gen(fmt, ...) dbg_do_msg(UBIFS_MSG_GEN, fmt, ##__VA_ARGS__) #define dbg_gen(fmt, ...) dbg_do_msg(UBIFS_MSG_GEN, fmt, ##__VA_ARGS__)
/* Additional journal messages */ /* Additional journal messages */
#define dbg_jnl(fmt, ...) dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__) #define dbg_jnl(fmt, ...) dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__)
/* Additional TNC messages */ /* Additional TNC messages */
#define dbg_tnc(fmt, ...) dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__) #define dbg_tnc(fmt, ...) dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__)
/* Additional lprops messages */ /* Additional lprops messages */
#define dbg_lp(fmt, ...) dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__) #define dbg_lp(fmt, ...) dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__)
/* Additional LEB find messages */ /* Additional LEB find messages */
#define dbg_find(fmt, ...) dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__) #define dbg_find(fmt, ...) dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__)
/* Additional mount messages */ /* Additional mount messages */
#define dbg_mnt(fmt, ...) dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__) #define dbg_mnt(fmt, ...) dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__)
/* Additional I/O messages */ /* Additional I/O messages */
#define dbg_io(fmt, ...) dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__) #define dbg_io(fmt, ...) dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__)
/* Additional commit messages */ /* Additional commit messages */
#define dbg_cmt(fmt, ...) dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__) #define dbg_cmt(fmt, ...) dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__)
/* Additional budgeting messages */ /* Additional budgeting messages */
#define dbg_budg(fmt, ...) dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__) #define dbg_budg(fmt, ...) dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__)
/* Additional log messages */ /* Additional log messages */
#define dbg_log(fmt, ...) dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__) #define dbg_log(fmt, ...) dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__)
/* Additional gc messages */ /* Additional gc messages */
#define dbg_gc(fmt, ...) dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__) #define dbg_gc(fmt, ...) dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__)
/* Additional scan messages */ /* Additional scan messages */
#define dbg_scan(fmt, ...) dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__) #define dbg_scan(fmt, ...) dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__)
/* Additional recovery messages */ /* Additional recovery messages */
#define dbg_rcvry(fmt, ...) dbg_do_msg(UBIFS_MSG_RCVRY, fmt, ##__VA_ARGS__) #define dbg_rcvry(fmt, ...) dbg_do_msg(UBIFS_MSG_RCVRY, fmt, ##__VA_ARGS__)
/* /*
* Debugging message type flags (must match msg_type_names in debug.c). * Debugging message type flags (must match msg_type_names in debug.c).
@ -239,34 +239,23 @@ typedef int (*dbg_leaf_callback)(struct ubifs_info *c,
struct ubifs_zbranch *zbr, void *priv); struct ubifs_zbranch *zbr, void *priv);
typedef int (*dbg_znode_callback)(struct ubifs_info *c, typedef int (*dbg_znode_callback)(struct ubifs_info *c,
struct ubifs_znode *znode, void *priv); struct ubifs_znode *znode, void *priv);
int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb, int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
dbg_znode_callback znode_cb, void *priv); dbg_znode_callback znode_cb, void *priv);
/* Checking functions */ /* Checking functions */
int dbg_check_lprops(struct ubifs_info *c); int dbg_check_lprops(struct ubifs_info *c);
int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot); int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot);
int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot); int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot);
int dbg_check_cats(struct ubifs_info *c); int dbg_check_cats(struct ubifs_info *c);
int dbg_check_ltab(struct ubifs_info *c); int dbg_check_ltab(struct ubifs_info *c);
int dbg_check_synced_i_size(struct inode *inode); int dbg_check_synced_i_size(struct inode *inode);
int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir); int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir);
int dbg_check_tnc(struct ubifs_info *c, int extra); int dbg_check_tnc(struct ubifs_info *c, int extra);
int dbg_check_idx_size(struct ubifs_info *c, long long idx_size); int dbg_check_idx_size(struct ubifs_info *c, long long idx_size);
int dbg_check_filesystem(struct ubifs_info *c); int dbg_check_filesystem(struct ubifs_info *c);
void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat, void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
int add_pos); int add_pos);
int dbg_check_lprops(struct ubifs_info *c); int dbg_check_lprops(struct ubifs_info *c);
int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode, int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode,
int row, int col); int row, int col);
@ -329,71 +318,77 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
#else /* !CONFIG_UBIFS_FS_DEBUG */ #else /* !CONFIG_UBIFS_FS_DEBUG */
#define UBIFS_DBG(op) #define UBIFS_DBG(op)
#define ubifs_assert(expr) ({})
#define ubifs_assert_cmt_locked(c) /* Use "if (0)" to make compiler check arguments even if debugging is off */
#define ubifs_assert(expr) do { \
if (0 && (expr)) \
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 dbg_msg(fmt, ...) do { \
if (0) \
printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", \
current->pid, __func__, ##__VA_ARGS__); \
} while (0)
#define dbg_dump_stack() #define dbg_dump_stack()
#define dbg_err(fmt, ...) ({}) #define ubifs_assert_cmt_locked(c)
#define dbg_msg(fmt, ...) ({})
#define dbg_key(c, key, fmt, ...) ({})
#define dbg_gen(fmt, ...) ({}) #define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_jnl(fmt, ...) ({}) #define dbg_jnl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_tnc(fmt, ...) ({}) #define dbg_tnc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_lp(fmt, ...) ({}) #define dbg_lp(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_find(fmt, ...) ({}) #define dbg_find(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_mnt(fmt, ...) ({}) #define dbg_mnt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_io(fmt, ...) ({}) #define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_cmt(fmt, ...) ({}) #define dbg_cmt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_budg(fmt, ...) ({}) #define dbg_budg(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_log(fmt, ...) ({}) #define dbg_log(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_gc(fmt, ...) ({}) #define dbg_gc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_scan(fmt, ...) ({}) #define dbg_scan(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_rcvry(fmt, ...) ({}) #define dbg_rcvry(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_ntype(type) "" #define DBGKEY(key) ((char *)(key))
#define dbg_cstate(cmt_state) "" #define DBGKEY1(key) ((char *)(key))
#define dbg_get_key_dump(c, key) ({})
#define dbg_dump_inode(c, inode) ({}) #define dbg_ntype(type) ""
#define dbg_dump_node(c, node) ({}) #define dbg_cstate(cmt_state) ""
#define dbg_dump_budget_req(req) ({}) #define dbg_get_key_dump(c, key) ({})
#define dbg_dump_lstats(lst) ({}) #define dbg_dump_inode(c, inode) ({})
#define dbg_dump_budg(c) ({}) #define dbg_dump_node(c, node) ({})
#define dbg_dump_lprop(c, lp) ({}) #define dbg_dump_budget_req(req) ({})
#define dbg_dump_lprops(c) ({}) #define dbg_dump_lstats(lst) ({})
#define dbg_dump_leb(c, lnum) ({}) #define dbg_dump_budg(c) ({})
#define dbg_dump_znode(c, znode) ({}) #define dbg_dump_lprop(c, lp) ({})
#define dbg_dump_heap(c, heap, cat) ({}) #define dbg_dump_lprops(c) ({})
#define dbg_dump_pnode(c, pnode, parent, iip) ({}) #define dbg_dump_leb(c, lnum) ({})
#define dbg_dump_tnc(c) ({}) #define dbg_dump_znode(c, znode) ({})
#define dbg_dump_index(c) ({}) #define dbg_dump_heap(c, heap, cat) ({})
#define dbg_dump_pnode(c, pnode, parent, iip) ({})
#define dbg_dump_tnc(c) ({})
#define dbg_dump_index(c) ({})
#define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0 #define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0
#define dbg_old_index_check_init(c, zroot) 0 #define dbg_old_index_check_init(c, zroot) 0
#define dbg_check_old_index(c, zroot) 0 #define dbg_check_old_index(c, zroot) 0
#define dbg_check_cats(c) 0 #define dbg_check_cats(c) 0
#define dbg_check_ltab(c) 0 #define dbg_check_ltab(c) 0
#define dbg_check_synced_i_size(inode) 0 #define dbg_check_synced_i_size(inode) 0
#define dbg_check_dir_size(c, dir) 0 #define dbg_check_dir_size(c, dir) 0
#define dbg_check_tnc(c, x) 0 #define dbg_check_tnc(c, x) 0
#define dbg_check_idx_size(c, idx_size) 0 #define dbg_check_idx_size(c, idx_size) 0
#define dbg_check_filesystem(c) 0 #define dbg_check_filesystem(c) 0
#define dbg_check_heap(c, heap, cat, add_pos) ({}) #define dbg_check_heap(c, heap, cat, add_pos) ({})
#define dbg_check_lprops(c) 0 #define dbg_check_lprops(c) 0
#define dbg_check_lpt_nodes(c, cnode, row, col) 0 #define dbg_check_lpt_nodes(c, cnode, row, col) 0
#define dbg_force_in_the_gaps_enabled 0 #define dbg_force_in_the_gaps_enabled 0
#define dbg_force_in_the_gaps() 0 #define dbg_force_in_the_gaps() 0
#define dbg_failure_mode 0 #define dbg_failure_mode 0
#define dbg_failure_mode_registration(c) ({}) #define dbg_failure_mode_registration(c) ({})
#define dbg_failure_mode_deregistration(c) ({}) #define dbg_failure_mode_deregistration(c) ({})