diff options
Diffstat (limited to 'net/sctp')
-rw-r--r-- | net/sctp/objcnt.c | 85 |
1 files changed, 44 insertions, 41 deletions
diff --git a/net/sctp/objcnt.c b/net/sctp/objcnt.c index 23f53dd23191..14e294e37626 100644 --- a/net/sctp/objcnt.c +++ b/net/sctp/objcnt.c | |||
@@ -80,61 +80,64 @@ static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = { | |||
80 | /* Callback from procfs to read out objcount information. | 80 | /* Callback from procfs to read out objcount information. |
81 | * Walk through the entries in the sctp_dbg_objcnt array, dumping | 81 | * Walk through the entries in the sctp_dbg_objcnt array, dumping |
82 | * the raw object counts for each monitored type. | 82 | * the raw object counts for each monitored type. |
83 | * | ||
84 | * This code was modified from similar code in route.c | ||
85 | */ | 83 | */ |
86 | static int sctp_dbg_objcnt_read(char *buffer, char **start, off_t offset, | 84 | static int sctp_objcnt_seq_show(struct seq_file *seq, void *v) |
87 | int length, int *eof, void *data) | ||
88 | { | 85 | { |
89 | int len = 0; | ||
90 | off_t pos = 0; | ||
91 | int entries; | ||
92 | int i; | 86 | int i; |
93 | char temp[128]; | 87 | char temp[128]; |
94 | 88 | ||
95 | /* How many entries? */ | 89 | i = (int)*(loff_t *)v; |
96 | entries = ARRAY_SIZE(sctp_dbg_objcnt); | 90 | sprintf(temp, "%s: %d", sctp_dbg_objcnt[i].label, |
97 | 91 | atomic_read(sctp_dbg_objcnt[i].counter)); | |
98 | /* Walk the entries and print out the debug information | 92 | seq_printf(seq, "%-127s\n", temp); |
99 | * for proc fs. | 93 | return 0; |
100 | */ | 94 | } |
101 | for (i = 0; i < entries; i++) { | 95 | |
102 | pos += 128; | 96 | static void *sctp_objcnt_seq_start(struct seq_file *seq, loff_t *pos) |
103 | 97 | { | |
104 | /* Skip ahead. */ | 98 | return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos; |
105 | if (pos <= offset) { | 99 | } |
106 | len = 0; | 100 | |
107 | continue; | 101 | static void sctp_objcnt_seq_stop(struct seq_file *seq, void *v) |
108 | } | 102 | { |
109 | /* Print out each entry. */ | 103 | } |
110 | sprintf(temp, "%s: %d", | 104 | |
111 | sctp_dbg_objcnt[i].label, | 105 | static void * sctp_objcnt_seq_next(struct seq_file *seq, void *v, loff_t *pos) |
112 | atomic_read(sctp_dbg_objcnt[i].counter)); | 106 | { |
113 | 107 | ++*pos; | |
114 | sprintf(buffer + len, "%-127s\n", temp); | 108 | return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos; |
115 | len += 128; | ||
116 | if (pos >= offset+length) | ||
117 | goto done; | ||
118 | } | ||
119 | |||
120 | done: | ||
121 | *start = buffer + len - (pos - offset); | ||
122 | len = pos - offset; | ||
123 | if (len > length) | ||
124 | len = length; | ||
125 | |||
126 | return len; | ||
127 | } | 109 | } |
128 | 110 | ||
111 | static const struct seq_operations sctp_objcnt_seq_ops = { | ||
112 | .start = sctp_objcnt_seq_start, | ||
113 | .next = sctp_objcnt_seq_next, | ||
114 | .stop = sctp_objcnt_seq_stop, | ||
115 | .show = sctp_objcnt_seq_show, | ||
116 | }; | ||
117 | |||
118 | static int sctp_objcnt_seq_open(struct inode *inode, struct file *file) | ||
119 | { | ||
120 | return seq_open(file, &sctp_objcnt_seq_ops); | ||
121 | } | ||
122 | |||
123 | static const struct file_operations sctp_objcnt_ops = { | ||
124 | .open = sctp_objcnt_seq_open, | ||
125 | .read = seq_read, | ||
126 | .llseek = seq_lseek, | ||
127 | .release = seq_release, | ||
128 | }; | ||
129 | |||
129 | /* Initialize the objcount in the proc filesystem. */ | 130 | /* Initialize the objcount in the proc filesystem. */ |
130 | void sctp_dbg_objcnt_init(void) | 131 | void sctp_dbg_objcnt_init(void) |
131 | { | 132 | { |
132 | struct proc_dir_entry *ent; | 133 | struct proc_dir_entry *ent; |
133 | ent = create_proc_read_entry("sctp_dbg_objcnt", 0, proc_net_sctp, | 134 | |
134 | sctp_dbg_objcnt_read, NULL); | 135 | ent = create_proc_entry("sctp_dbg_objcnt", 0, proc_net_sctp); |
135 | if (!ent) | 136 | if (!ent) |
136 | printk(KERN_WARNING | 137 | printk(KERN_WARNING |
137 | "sctp_dbg_objcnt: Unable to create /proc entry.\n"); | 138 | "sctp_dbg_objcnt: Unable to create /proc entry.\n"); |
139 | else | ||
140 | ent->proc_fops = &sctp_objcnt_ops; | ||
138 | } | 141 | } |
139 | 142 | ||
140 | /* Cleanup the objcount entry in the proc filesystem. */ | 143 | /* Cleanup the objcount entry in the proc filesystem. */ |