 65795910c1
			
		
	
	
	65795910c1
	
	
	
		
			
			Some recent gcc warnings don't like passing string variables to printf-like functions without using at least a "%s" format string. Change the two occurances of that in xfs to please gcc. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Niv Sardi <xaiki@sgi.com>
		
			
				
	
	
		
			127 lines
		
	
	
	
		
			3.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
	
		
			3.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
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|  * All Rights Reserved.
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License as
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|  * published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope that it would be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write the Free Software Foundation,
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|  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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|  */
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| #include "xfs.h"
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| #include <linux/proc_fs.h>
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| 
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| DEFINE_PER_CPU(struct xfsstats, xfsstats);
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| 
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| STATIC int
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| xfs_read_xfsstats(
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| 	char		*buffer,
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| 	char		**start,
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| 	off_t		offset,
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| 	int		count,
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| 	int		*eof,
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| 	void		*data)
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| {
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| 	int		c, i, j, len, val;
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| 	__uint64_t	xs_xstrat_bytes = 0;
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| 	__uint64_t	xs_write_bytes = 0;
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| 	__uint64_t	xs_read_bytes = 0;
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| 
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| 	static const struct xstats_entry {
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| 		char	*desc;
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| 		int	endpoint;
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| 	} xstats[] = {
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| 		{ "extent_alloc",	XFSSTAT_END_EXTENT_ALLOC	},
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| 		{ "abt",		XFSSTAT_END_ALLOC_BTREE		},
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| 		{ "blk_map",		XFSSTAT_END_BLOCK_MAPPING	},
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| 		{ "bmbt",		XFSSTAT_END_BLOCK_MAP_BTREE	},
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| 		{ "dir",		XFSSTAT_END_DIRECTORY_OPS	},
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| 		{ "trans",		XFSSTAT_END_TRANSACTIONS	},
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| 		{ "ig",			XFSSTAT_END_INODE_OPS		},
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| 		{ "log",		XFSSTAT_END_LOG_OPS		},
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| 		{ "push_ail",		XFSSTAT_END_TAIL_PUSHING	},
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| 		{ "xstrat",		XFSSTAT_END_WRITE_CONVERT	},
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| 		{ "rw",			XFSSTAT_END_READ_WRITE_OPS	},
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| 		{ "attr",		XFSSTAT_END_ATTRIBUTE_OPS	},
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| 		{ "icluster",		XFSSTAT_END_INODE_CLUSTER	},
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| 		{ "vnodes",		XFSSTAT_END_VNODE_OPS		},
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| 		{ "buf",		XFSSTAT_END_BUF			},
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| 		{ "abtb2",		XFSSTAT_END_ABTB_V2		},
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| 		{ "abtc2",		XFSSTAT_END_ABTC_V2		},
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| 		{ "bmbt2",		XFSSTAT_END_BMBT_V2		},
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| 		{ "ibt2",		XFSSTAT_END_IBT_V2		},
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| 	};
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| 
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| 	/* Loop over all stats groups */
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| 	for (i=j=len = 0; i < ARRAY_SIZE(xstats); i++) {
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| 		len += sprintf(buffer + len, "%s", xstats[i].desc);
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| 		/* inner loop does each group */
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| 		while (j < xstats[i].endpoint) {
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| 			val = 0;
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| 			/* sum over all cpus */
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| 			for_each_possible_cpu(c)
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| 				val += *(((__u32*)&per_cpu(xfsstats, c) + j));
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| 			len += sprintf(buffer + len, " %u", val);
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| 			j++;
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| 		}
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| 		buffer[len++] = '\n';
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| 	}
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| 	/* extra precision counters */
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| 	for_each_possible_cpu(i) {
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| 		xs_xstrat_bytes += per_cpu(xfsstats, i).xs_xstrat_bytes;
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| 		xs_write_bytes += per_cpu(xfsstats, i).xs_write_bytes;
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| 		xs_read_bytes += per_cpu(xfsstats, i).xs_read_bytes;
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| 	}
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| 
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| 	len += sprintf(buffer + len, "xpc %Lu %Lu %Lu\n",
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| 			xs_xstrat_bytes, xs_write_bytes, xs_read_bytes);
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| 	len += sprintf(buffer + len, "debug %u\n",
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| #if defined(DEBUG)
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| 		1);
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| #else
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| 		0);
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| #endif
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| 
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| 	if (offset >= len) {
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| 		*start = buffer;
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| 		*eof = 1;
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| 		return 0;
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| 	}
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| 	*start = buffer + offset;
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| 	if ((len -= offset) > count)
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| 		return count;
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| 	*eof = 1;
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| 
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| 	return len;
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| }
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| 
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| int
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| xfs_init_procfs(void)
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| {
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| 	if (!proc_mkdir("fs/xfs", NULL))
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| 		goto out;
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| 
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| 	if (!create_proc_read_entry("fs/xfs/stat", 0, NULL,
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| 			xfs_read_xfsstats, NULL))
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| 		goto out_remove_entry;
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| 	return 0;
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| 
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|  out_remove_entry:
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| 	remove_proc_entry("fs/xfs", NULL);
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|  out:
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| 	return -ENOMEM;
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| }
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| 
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| void
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| xfs_cleanup_procfs(void)
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| {
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| 	remove_proc_entry("fs/xfs/stat", NULL);
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| 	remove_proc_entry("fs/xfs", NULL);
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| }
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