1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* -*- mode: c; c-basic-offset: 8; -*-
13  * ability to enable sets of debugging output at run-time.  In the future this
18  * maintained with help from /proc.  If any of the bits match the message is
26  * one of the longs.  This leads to having infrequently given bits that are
27  * frequently matched in the high bits.
39  * indication of which bits are allowed (allow) or denied (off/deny).
53  * Echoing allow/deny/off string into the logmask files can flip the bits
61  * The debugfs.ocfs2 tool can also flip the bits with the -l option:
63  * debugfs.ocfs2 -l TCP allow
69 /* bits that are frequently given and infrequently matched in the low word */
89 /* bits that are infrequently given and frequently matched in the high word */
118 #if BITS_PER_LONG == 32
120 #define __mlog_test_u64(mask, bits)			\  argument
121 	( (u32)(mask & 0xffffffff) & bits.words[0] || 	\
122 	  ((u64)(mask) >> 32) & bits.words[1] )
123 #define __mlog_set_u64(mask, bits) do {			\  argument
124 	bits.words[0] |= (u32)(mask & 0xffffffff);	\
125        	bits.words[1] |= (u64)(mask) >> 32;		\
127 #define __mlog_clear_u64(mask, bits) do {		\  argument
128 	bits.words[0] &= ~((u32)(mask & 0xffffffff));	\
129        	bits.words[1] &= ~((u64)(mask) >> 32);		\
134 		[1] = (u64)(mask) >> 32,		\
138 #else /* 32bit long above, 64bit long below */
140 #define __mlog_test_u64(mask, bits)	((mask) & bits.words[0])  argument
141 #define __mlog_set_u64(mask, bits) do {		\  argument
142 	bits.words[0] |= (mask);		\
144 #define __mlog_clear_u64(mask, bits) do {	\  argument
145 	bits.words[0] &= ~(mask);		\
178 	if (_st != -ERESTARTSYS && _st != -EINTR &&			\
179 	    _st != AOP_TRUNCATED_PAGE && _st != -ENOSPC &&		\
180 	    _st != -EDQUOT)						\