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Diffstat (limited to 'fs/aufs/debug.h')
| -rw-r--r-- | fs/aufs/debug.h | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/fs/aufs/debug.h b/fs/aufs/debug.h deleted file mode 100644 index de6c2a682..000000000 --- a/fs/aufs/debug.h +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Copyright (C) 2005-2015 Junjiro R. Okajima - * - * This program, aufs is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* - * debug print functions - */ - -#ifndef __AUFS_DEBUG_H__ -#define __AUFS_DEBUG_H__ - -#ifdef __KERNEL__ - -#include <linux/atomic.h> -#include <linux/module.h> -#include <linux/kallsyms.h> -#include <linux/sysrq.h> - -#ifdef CONFIG_AUFS_DEBUG -#define AuDebugOn(a) BUG_ON(a) - -/* module parameter */ -extern atomic_t aufs_debug; -static inline void au_debug_on(void) -{ - atomic_inc(&aufs_debug); -} -static inline void au_debug_off(void) -{ - atomic_dec_if_positive(&aufs_debug); -} - -static inline int au_debug_test(void) -{ - return atomic_read(&aufs_debug) > 0; -} -#else -#define AuDebugOn(a) do {} while (0) -AuStubVoid(au_debug_on, void) -AuStubVoid(au_debug_off, void) -AuStubInt0(au_debug_test, void) -#endif /* CONFIG_AUFS_DEBUG */ - -#define param_check_atomic_t(name, p) __param_check(name, p, atomic_t) - -/* ---------------------------------------------------------------------- */ - -/* debug print */ - -#define AuDbg(fmt, ...) do { \ - if (au_debug_test()) \ - pr_debug("DEBUG: " fmt, ##__VA_ARGS__); \ -} while (0) -#define AuLabel(l) AuDbg(#l "\n") -#define AuIOErr(fmt, ...) pr_err("I/O Error, " fmt, ##__VA_ARGS__) -#define AuWarn1(fmt, ...) do { \ - static unsigned char _c; \ - if (!_c++) \ - pr_warn(fmt, ##__VA_ARGS__); \ -} while (0) - -#define AuErr1(fmt, ...) do { \ - static unsigned char _c; \ - if (!_c++) \ - pr_err(fmt, ##__VA_ARGS__); \ -} while (0) - -#define AuIOErr1(fmt, ...) do { \ - static unsigned char _c; \ - if (!_c++) \ - AuIOErr(fmt, ##__VA_ARGS__); \ -} while (0) - -#define AuUnsupportMsg "This operation is not supported." \ - " Please report this application to aufs-users ML." -#define AuUnsupport(fmt, ...) do { \ - pr_err(AuUnsupportMsg "\n" fmt, ##__VA_ARGS__); \ - dump_stack(); \ -} while (0) - -#define AuTraceErr(e) do { \ - if (unlikely((e) < 0)) \ - AuDbg("err %d\n", (int)(e)); \ -} while (0) - -#define AuTraceErrPtr(p) do { \ - if (IS_ERR(p)) \ - AuDbg("err %ld\n", PTR_ERR(p)); \ -} while (0) - -/* dirty macros for debug print, use with "%.*s" and caution */ -#define AuLNPair(qstr) (qstr)->len, (qstr)->name - -/* ---------------------------------------------------------------------- */ - -struct dentry; -#ifdef CONFIG_AUFS_DEBUG -extern struct mutex au_dbg_mtx; -extern char *au_plevel; -struct au_nhash; -void au_dpri_whlist(struct au_nhash *whlist); -struct au_vdir; -void au_dpri_vdir(struct au_vdir *vdir); -struct inode; -void au_dpri_inode(struct inode *inode); -void au_dpri_dalias(struct inode *inode); -void au_dpri_dentry(struct dentry *dentry); -struct file; -void au_dpri_file(struct file *filp); -struct super_block; -void au_dpri_sb(struct super_block *sb); - -#define au_dbg_verify_dinode(d) __au_dbg_verify_dinode(d, __func__, __LINE__) -void __au_dbg_verify_dinode(struct dentry *dentry, const char *func, int line); -void au_dbg_verify_gen(struct dentry *parent, unsigned int sigen); -void au_dbg_verify_kthread(void); - -int __init au_debug_init(void); - -#define AuDbgWhlist(w) do { \ - mutex_lock(&au_dbg_mtx); \ - AuDbg(#w "\n"); \ - au_dpri_whlist(w); \ - mutex_unlock(&au_dbg_mtx); \ -} while (0) - -#define AuDbgVdir(v) do { \ - mutex_lock(&au_dbg_mtx); \ - AuDbg(#v "\n"); \ - au_dpri_vdir(v); \ - mutex_unlock(&au_dbg_mtx); \ -} while (0) - -#define AuDbgInode(i) do { \ - mutex_lock(&au_dbg_mtx); \ - AuDbg(#i "\n"); \ - au_dpri_inode(i); \ - mutex_unlock(&au_dbg_mtx); \ -} while (0) - -#define AuDbgDAlias(i) do { \ - mutex_lock(&au_dbg_mtx); \ - AuDbg(#i "\n"); \ - au_dpri_dalias(i); \ - mutex_unlock(&au_dbg_mtx); \ -} while (0) - -#define AuDbgDentry(d) do { \ - mutex_lock(&au_dbg_mtx); \ - AuDbg(#d "\n"); \ - au_dpri_dentry(d); \ - mutex_unlock(&au_dbg_mtx); \ -} while (0) - -#define AuDbgFile(f) do { \ - mutex_lock(&au_dbg_mtx); \ - AuDbg(#f "\n"); \ - au_dpri_file(f); \ - mutex_unlock(&au_dbg_mtx); \ -} while (0) - -#define AuDbgSb(sb) do { \ - mutex_lock(&au_dbg_mtx); \ - AuDbg(#sb "\n"); \ - au_dpri_sb(sb); \ - mutex_unlock(&au_dbg_mtx); \ -} while (0) - -#define AuDbgSym(addr) do { \ - char sym[KSYM_SYMBOL_LEN]; \ - sprint_symbol(sym, (unsigned long)addr); \ - AuDbg("%s\n", sym); \ -} while (0) -#else -AuStubVoid(au_dbg_verify_dinode, struct dentry *dentry) -AuStubVoid(au_dbg_verify_gen, struct dentry *parent, unsigned int sigen) -AuStubVoid(au_dbg_verify_kthread, void) -AuStubInt0(__init au_debug_init, void) - -#define AuDbgWhlist(w) do {} while (0) -#define AuDbgVdir(v) do {} while (0) -#define AuDbgInode(i) do {} while (0) -#define AuDbgDAlias(i) do {} while (0) -#define AuDbgDentry(d) do {} while (0) -#define AuDbgFile(f) do {} while (0) -#define AuDbgSb(sb) do {} while (0) -#define AuDbgSym(addr) do {} while (0) -#endif /* CONFIG_AUFS_DEBUG */ - -/* ---------------------------------------------------------------------- */ - -#ifdef CONFIG_AUFS_MAGIC_SYSRQ -int __init au_sysrq_init(void); -void au_sysrq_fin(void); - -#ifdef CONFIG_HW_CONSOLE -#define au_dbg_blocked() do { \ - WARN_ON(1); \ - handle_sysrq('w'); \ -} while (0) -#else -AuStubVoid(au_dbg_blocked, void) -#endif - -#else -AuStubInt0(__init au_sysrq_init, void) -AuStubVoid(au_sysrq_fin, void) -AuStubVoid(au_dbg_blocked, void) -#endif /* CONFIG_AUFS_MAGIC_SYSRQ */ - -#endif /* __KERNEL__ */ -#endif /* __AUFS_DEBUG_H__ */ |