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nfsd4: split lease setting into separate function 

Splitting some code into a separate function which we'll be adding some
more to.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2011-01-31 17:58:10 -05:00
parent dd239cc05f
commit edab9782b5
1 changed files with 19 additions and 13 deletions
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32
fs/nfsd/nfs4state.c
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@ -2659,6 +2659,23 @@ static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp, int f
return fl;
}
static int nfs4_setlease(struct nfs4_delegation *dp, int flag)
{
struct file_lock *fl;
int status;
fl = nfs4_alloc_init_lease(dp, flag);
if (!fl)
return -ENOMEM;
status = vfs_setlease(dp->dl_vfs_file, fl->fl_type, &fl);
if (status) {
dp->dl_flock = NULL;
locks_free_lock(fl);
return -ENOMEM;
}
return 0;
}
/*
* Attempt to hand out a delegation.
*/
@ -2668,7 +2685,6 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
struct nfs4_delegation *dp;
struct nfs4_stateowner *sop = stp->st_stateowner;
int cb_up;
struct file_lock *fl;
int status, flag = 0;
cb_up = nfsd4_cb_channel_good(sop->so_client);
@ -2701,19 +2717,9 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
dp = alloc_init_deleg(sop->so_client, stp, fh, flag);
if (dp == NULL)
goto out_no_deleg;
status = -ENOMEM;
fl = nfs4_alloc_init_lease(dp, flag);
if (!fl)
status = nfs4_setlease(dp, flag);
if (status)
goto out_free;
/* vfs_setlease checks to see if delegation should be handed out.
* the lock_manager callback fl_change is used
*/
if ((status = vfs_setlease(fl->fl_file, fl->fl_type, &fl))) {
dprintk("NFSD: setlease failed [%d], no delegation\n", status);
dp->dl_flock = NULL;
locks_free_lock(fl);
goto out_free;
}
memcpy(&open->op_delegate_stateid, &dp->dl_stateid, sizeof(dp->dl_stateid));