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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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8b17e54096
Small collection of macros taken from mmdebug.h Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Link: https://lore.kernel.org/r/20250209185523.745956-2-mjguzik@gmail.com Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef LINUX_VFS_DEBUG_H
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#define LINUX_VFS_DEBUG_H 1
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#include <linux/bug.h>
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struct inode;
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#ifdef CONFIG_DEBUG_VFS
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void dump_inode(struct inode *inode, const char *reason);
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#define VFS_BUG_ON(cond) BUG_ON(cond)
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#define VFS_WARN_ON(cond) (void)WARN_ON(cond)
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#define VFS_WARN_ON_ONCE(cond) (void)WARN_ON_ONCE(cond)
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#define VFS_WARN_ONCE(cond, format...) (void)WARN_ONCE(cond, format)
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#define VFS_WARN(cond, format...) (void)WARN(cond, format)
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#define VFS_BUG_ON_INODE(cond, inode) ({ \
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if (unlikely(!!(cond))) { \
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dump_inode(inode, "VFS_BUG_ON_INODE(" #cond")");\
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BUG_ON(1); \
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} \
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})
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#define VFS_WARN_ON_INODE(cond, inode) ({ \
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int __ret_warn = !!(cond); \
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\
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if (unlikely(__ret_warn)) { \
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dump_inode(inode, "VFS_WARN_ON_INODE(" #cond")");\
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WARN_ON(1); \
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} \
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unlikely(__ret_warn); \
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})
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#else
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#define VFS_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
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#define VFS_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
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#define VFS_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)
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#define VFS_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)
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#define VFS_WARN(cond, format...) BUILD_BUG_ON_INVALID(cond)
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#define VFS_BUG_ON_INODE(cond, inode) VFS_BUG_ON(cond)
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#define VFS_WARN_ON_INODE(cond, inode) BUILD_BUG_ON_INVALID(cond)
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#endif /* CONFIG_DEBUG_VFS */
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#endif
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