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authorAlexey Dobriyan <adobriyan@gmail.com>2009-08-28 23:55:00 +0400
committerAlex Elder <aelder@sgi.com>2009-09-15 12:29:24 -0500
commit361735fd8ff8f7d8b9f0e134d0d99d99ee193d92 (patch)
tree16cc89f80380bc6d7fec6dee0c3553039fc671da /fs
parentf08a59f1467b92cd9b8c78961506f69c74bb01a5 (diff)
downloadlinux-linaro-stable-361735fd8ff8f7d8b9f0e134d0d99d99ee193d92.tar.gz
xfs: switch to seq_file
create_proc_read_entry() is getting deprecated. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Alex Elder <aelder@sgi.com> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/linux-2.6/xfs_stats.c51
-rw-r--r--fs/xfs/quota/xfs_qm_stats.c78
2 files changed, 55 insertions, 74 deletions
diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/linux-2.6/xfs_stats.c
index c3526d445f6a..76fdc5861932 100644
--- a/fs/xfs/linux-2.6/xfs_stats.c
+++ b/fs/xfs/linux-2.6/xfs_stats.c
@@ -20,16 +20,9 @@
DEFINE_PER_CPU(struct xfsstats, xfsstats);
-STATIC int
-xfs_read_xfsstats(
- char *buffer,
- char **start,
- off_t offset,
- int count,
- int *eof,
- void *data)
+static int xfs_stat_proc_show(struct seq_file *m, void *v)
{
- int c, i, j, len, val;
+ int c, i, j, val;
__uint64_t xs_xstrat_bytes = 0;
__uint64_t xs_write_bytes = 0;
__uint64_t xs_read_bytes = 0;
@@ -60,18 +53,18 @@ xfs_read_xfsstats(
};
/* Loop over all stats groups */
- for (i=j=len = 0; i < ARRAY_SIZE(xstats); i++) {
- len += sprintf(buffer + len, "%s", xstats[i].desc);
+ for (i=j = 0; i < ARRAY_SIZE(xstats); i++) {
+ seq_printf(m, "%s", xstats[i].desc);
/* inner loop does each group */
while (j < xstats[i].endpoint) {
val = 0;
/* sum over all cpus */
for_each_possible_cpu(c)
val += *(((__u32*)&per_cpu(xfsstats, c) + j));
- len += sprintf(buffer + len, " %u", val);
+ seq_printf(m, " %u", val);
j++;
}
- buffer[len++] = '\n';
+ seq_putc(m, '\n');
}
/* extra precision counters */
for_each_possible_cpu(i) {
@@ -80,36 +73,38 @@ xfs_read_xfsstats(
xs_read_bytes += per_cpu(xfsstats, i).xs_read_bytes;
}
- len += sprintf(buffer + len, "xpc %Lu %Lu %Lu\n",
+ seq_printf(m, "xpc %Lu %Lu %Lu\n",
xs_xstrat_bytes, xs_write_bytes, xs_read_bytes);
- len += sprintf(buffer + len, "debug %u\n",
+ seq_printf(m, "debug %u\n",
#if defined(DEBUG)
1);
#else
0);
#endif
+ return 0;
+}
- if (offset >= len) {
- *start = buffer;
- *eof = 1;
- return 0;
- }
- *start = buffer + offset;
- if ((len -= offset) > count)
- return count;
- *eof = 1;
-
- return len;
+static int xfs_stat_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, xfs_stat_proc_show, NULL);
}
+static const struct file_operations xfs_stat_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = xfs_stat_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
int
xfs_init_procfs(void)
{
if (!proc_mkdir("fs/xfs", NULL))
goto out;
- if (!create_proc_read_entry("fs/xfs/stat", 0, NULL,
- xfs_read_xfsstats, NULL))
+ if (!proc_create("fs/xfs/stat", 0, NULL,
+ &xfs_stat_proc_fops))
goto out_remove_entry;
return 0;
diff --git a/fs/xfs/quota/xfs_qm_stats.c b/fs/xfs/quota/xfs_qm_stats.c
index 21b08c0396a1..83e7ea3e25fa 100644
--- a/fs/xfs/quota/xfs_qm_stats.c
+++ b/fs/xfs/quota/xfs_qm_stats.c
@@ -48,50 +48,34 @@
struct xqmstats xqmstats;
-STATIC int
-xfs_qm_read_xfsquota(
- char *buffer,
- char **start,
- off_t offset,
- int count,
- int *eof,
- void *data)
+static int xqm_proc_show(struct seq_file *m, void *v)
{
- int len;
-
/* maximum; incore; ratio free to inuse; freelist */
- len = sprintf(buffer, "%d\t%d\t%d\t%u\n",
+ seq_printf(m, "%d\t%d\t%d\t%u\n",
ndquot,
xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0,
xfs_Gqm? xfs_Gqm->qm_dqfree_ratio : 0,
xfs_Gqm? xfs_Gqm->qm_dqfreelist.qh_nelems : 0);
-
- if (offset >= len) {
- *start = buffer;
- *eof = 1;
- return 0;
- }
- *start = buffer + offset;
- if ((len -= offset) > count)
- return count;
- *eof = 1;
-
- return len;
+ return 0;
}
-STATIC int
-xfs_qm_read_stats(
- char *buffer,
- char **start,
- off_t offset,
- int count,
- int *eof,
- void *data)
+static int xqm_proc_open(struct inode *inode, struct file *file)
{
- int len;
+ return single_open(file, xqm_proc_show, NULL);
+}
+
+static const struct file_operations xqm_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = xqm_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+static int xqmstat_proc_show(struct seq_file *m, void *v)
+{
/* quota performance statistics */
- len = sprintf(buffer, "qm %u %u %u %u %u %u %u %u\n",
+ seq_printf(m, "qm %u %u %u %u %u %u %u %u\n",
xqmstats.xs_qm_dqreclaims,
xqmstats.xs_qm_dqreclaim_misses,
xqmstats.xs_qm_dquot_dups,
@@ -100,25 +84,27 @@ xfs_qm_read_stats(
xqmstats.xs_qm_dqwants,
xqmstats.xs_qm_dqshake_reclaims,
xqmstats.xs_qm_dqinact_reclaims);
+ return 0;
+}
- if (offset >= len) {
- *start = buffer;
- *eof = 1;
- return 0;
- }
- *start = buffer + offset;
- if ((len -= offset) > count)
- return count;
- *eof = 1;
-
- return len;
+static int xqmstat_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, xqmstat_proc_show, NULL);
}
+static const struct file_operations xqmstat_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = xqmstat_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
void
xfs_qm_init_procfs(void)
{
- create_proc_read_entry("fs/xfs/xqmstat", 0, NULL, xfs_qm_read_stats, NULL);
- create_proc_read_entry("fs/xfs/xqm", 0, NULL, xfs_qm_read_xfsquota, NULL);
+ proc_create("fs/xfs/xqmstat", 0, NULL, &xqmstat_proc_fops);
+ proc_create("fs/xfs/xqm", 0, NULL, &xqm_proc_fops);
}
void