1 /* SPDX-License-Identifier: GPL-2.0-or-later */
11  * ability to enable sets of debugging output at run-time.  In the future this
16  * maintained with help from /proc.  If any of the bits match the message is
24  * one of the longs.  This leads to having infrequently given bits that are
25  * frequently matched in the high bits.
37  * indication of which bits are allowed (allow) or denied (off/deny).
51  * Echoing allow/deny/off string into the logmask files can flip the bits
59  * The debugfs.ocfs2 tool can also flip the bits with the -l option:
61  * debugfs.ocfs2 -l TCP allow
67 /* bits that are frequently given and infrequently matched in the low word */
87 /* bits that are infrequently given and frequently matched in the high word */
116 #if BITS_PER_LONG == 32
118 #define __mlog_test_u64(mask, bits)			\  argument
119 	( (u32)(mask & 0xffffffff) & bits.words[0] || 	\
120 	  ((u64)(mask) >> 32) & bits.words[1] )
121 #define __mlog_set_u64(mask, bits) do {			\  argument
122 	bits.words[0] |= (u32)(mask & 0xffffffff);	\
123        	bits.words[1] |= (u64)(mask) >> 32;		\
125 #define __mlog_clear_u64(mask, bits) do {		\  argument
126 	bits.words[0] &= ~((u32)(mask & 0xffffffff));	\
127        	bits.words[1] &= ~((u64)(mask) >> 32);		\
132 		[1] = (u64)(mask) >> 32,		\
136 #else /* 32bit long above, 64bit long below */
138 #define __mlog_test_u64(mask, bits)	((mask) & bits.words[0])  argument
139 #define __mlog_set_u64(mask, bits) do {		\  argument
140 	bits.words[0] |= (mask);		\
142 #define __mlog_clear_u64(mask, bits) do {	\  argument
143 	bits.words[0] &= ~(mask);		\
176 	if (_st != -ERESTARTSYS && _st != -EINTR &&			\
177 	    _st != AOP_TRUNCATED_PAGE && _st != -ENOSPC &&		\
178 	    _st != -EDQUOT)						\