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path: root/fs/nfsd/nfsctl.c
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Diffstat (limited to 'fs/nfsd/nfsctl.c')
-rw-r--r--fs/nfsd/nfsctl.c38
1 files changed, 35 insertions, 3 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index a4ed8644d69..af16849d243 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -60,6 +60,7 @@ enum {
NFSD_FO_UnlockFS,
NFSD_Threads,
NFSD_Pool_Threads,
+ NFSD_Pool_Stats,
NFSD_Versions,
NFSD_Ports,
NFSD_MaxBlkSize,
@@ -172,6 +173,16 @@ static const struct file_operations exports_operations = {
.owner = THIS_MODULE,
};
+extern int nfsd_pool_stats_open(struct inode *inode, struct file *file);
+
+static struct file_operations pool_stats_operations = {
+ .open = nfsd_pool_stats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+ .owner = THIS_MODULE,
+};
+
/*----------------------------------------------------------------------------*/
/*
* payload - write methods
@@ -781,8 +792,9 @@ out_free:
static ssize_t __write_versions(struct file *file, char *buf, size_t size)
{
char *mesg = buf;
- char *vers, sign;
+ char *vers, *minorp, sign;
int len, num;
+ unsigned minor;
ssize_t tlen = 0;
char *sep;
@@ -803,9 +815,20 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size)
do {
sign = *vers;
if (sign == '+' || sign == '-')
- num = simple_strtol((vers+1), NULL, 0);
+ num = simple_strtol((vers+1), &minorp, 0);
else
- num = simple_strtol(vers, NULL, 0);
+ num = simple_strtol(vers, &minorp, 0);
+ if (*minorp == '.') {
+ if (num < 4)
+ return -EINVAL;
+ minor = simple_strtoul(minorp+1, NULL, 0);
+ if (minor == 0)
+ return -EINVAL;
+ if (nfsd_minorversion(minor, sign == '-' ?
+ NFSD_CLEAR : NFSD_SET) < 0)
+ return -EINVAL;
+ goto next;
+ }
switch(num) {
case 2:
case 3:
@@ -815,6 +838,7 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size)
default:
return -EINVAL;
}
+ next:
vers += len + 1;
tlen += len;
} while ((len = qword_get(&mesg, vers, size)) > 0);
@@ -833,6 +857,13 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size)
num);
sep = " ";
}
+ if (nfsd_vers(4, NFSD_AVAIL))
+ for (minor = 1; minor <= NFSD_SUPPORTED_MINOR_VERSION; minor++)
+ len += sprintf(buf+len, " %c4.%u",
+ (nfsd_vers(4, NFSD_TEST) &&
+ nfsd_minorversion(minor, NFSD_TEST)) ?
+ '+' : '-',
+ minor);
len += sprintf(buf+len, "\n");
return len;
}
@@ -1248,6 +1279,7 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
[NFSD_Fh] = {"filehandle", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_Threads] = {"threads", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_Pool_Threads] = {"pool_threads", &transaction_ops, S_IWUSR|S_IRUSR},
+ [NFSD_Pool_Stats] = {"pool_stats", &pool_stats_operations, S_IRUGO},
[NFSD_Versions] = {"versions", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_Ports] = {"portlist", &transaction_ops, S_IWUSR|S_IRUGO},
[NFSD_MaxBlkSize] = {"max_block_size", &transaction_ops, S_IWUSR|S_IRUGO},