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Commit efc4bb4f authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: allow setting grace period time 



Allow explicit configuration of the grace period time as well as the
lease period time.

Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent f0135740

fs/nfsd/nfs4state.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

fs/nfsd/nfsctl.c

+19 −0
Original line number Diff line number Diff line
@@ -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

};
@@ -1261,6 +1264,21 @@ static ssize_t write_leasetime(struct file *file, char *buf, size_t size) 
	return nfsd4_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 nfsd4_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)
@@ -1352,6 +1370,7 @@ 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 */ {""}

fs/nfsd/nfsd.h

+1 −0
Original line number Diff line number Diff line
@@ -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,