Allow explicit configuration of the grace period time as well as the
lease period time.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
---
fs/nfsd/nfs4state.c | 2 +-
fs/nfsd/nfsctl.c | 19 +++++++++++++++++++
fs/nfsd/nfsd.h | 1 +
3 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4471046..6edfe23 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -45,7 +45,7 @@
/* Globals */
time_t nfsd4_lease = 90; /* default lease time */
-static time_t nfsd4_grace = 90;
+time_t nfsd4_grace = 90;
static time_t boot_time;
static u32 current_ownerid = 1;
static u32 current_fileid = 1;
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 1db8010..7bdaf31 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -45,6 +45,7 @@ enum {
*/
#ifdef CONFIG_NFSD_V4
NFSD_Leasetime,
+ NFSD_Gracetime,
NFSD_RecoveryDir,
#endif
};
@@ -69,6 +70,7 @@ static ssize_t write_ports(struct file *file, char *buf, size_t size);
static ssize_t write_maxblksize(struct file *file, char *buf, size_t size);
#ifdef CONFIG_NFSD_V4
static ssize_t write_leasetime(struct file *file, char *buf, size_t size);
+static ssize_t write_gracetime(struct file *file, char *buf, size_t size);
static ssize_t write_recoverydir(struct file *file, char *buf, size_t size);
#endif
@@ -90,6 +92,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = {
[NFSD_MaxBlkSize] = write_maxblksize,
#ifdef CONFIG_NFSD_V4
[NFSD_Leasetime] = write_leasetime,
+ [NFSD_Gracetime] = write_gracetime,
[NFSD_RecoveryDir] = write_recoverydir,
#endif
};
@@ -1252,6 +1255,21 @@ static ssize_t write_leasetime(struct file *file, char *buf, size_t size)
return write_time(file, buf, size, &nfsd4_lease);
}
+/**
+ * write_gracetime - Set or report current NFSv4 grace period time
+ *
+ * As above, but sets the time of the NFSv4 grace period.
+ *
+ * Note this should never be set to less than the *previous*
+ * lease-period time, but we don't try to enforce this. (In the common
+ * case (a new boot), we don't know what the previous lease time was
+ * anyway.)
+ */
+static ssize_t write_gracetime(struct file *file, char *buf, size_t size)
+{
+ return write_time(file, buf, size, &nfsd4_grace);
+}
+
extern char *nfs4_recoverydir(void);
static ssize_t __write_recoverydir(struct file *file, char *buf, size_t size)
@@ -1343,6 +1361,7 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
[NFSD_MaxBlkSize] = {"max_block_size", &transaction_ops, S_IWUSR|S_IRUGO},
#ifdef CONFIG_NFSD_V4
[NFSD_Leasetime] = {"nfsv4leasetime", &transaction_ops, S_IWUSR|S_IRUSR},
+ [NFSD_Gracetime] = {"nfsv4gracetime", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_RecoveryDir] = {"nfsv4recoverydir", &transaction_ops, S_IWUSR|S_IRUSR},
#endif
/* last one */ {""}
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index b463093..7237776 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -228,6 +228,7 @@ extern struct timeval nfssvc_boot;
#ifdef CONFIG_NFSD_V4
extern time_t nfsd4_lease;
+extern time_t nfsd4_grace;
/* before processing a COMPOUND operation, we have to check that there
* is enough space in the buffer for XDR encode to succeed. otherwise,
--
1.6.3.3
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