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nfsd4: set fl_owner to delegation, not file pointer 

For now this makes no difference, as for files having delegations,
there's a one-to-one relationship between an nfs4_file and its
nfs4_delegation.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
This commit is contained in:
J. Bruce Fields 2018-02-15 22:08:45 -05:00
Родитель cba7b3d150
Коммит 653e514e9e
1 изменённых файлов: 7 добавлений и 10 удалений
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17
fs/nfsd/nfs4state.c
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@ -889,7 +889,7 @@ static void nfs4_put_deleg_lease(struct nfs4_delegation *dp)
spin_unlock(&fp->fi_lock); spin_unlock(&fp->fi_lock);
if (filp) { if (filp) {
vfs_setlease(filp, F_UNLCK, NULL, (void **)&fp); vfs_setlease(filp, F_UNLCK, NULL, (void **)&dp);
fput(filp); fput(filp);
} }
} }
@ -3957,13 +3957,9 @@ static bool
nfsd_break_deleg_cb(struct file_lock *fl) nfsd_break_deleg_cb(struct file_lock *fl)
{ {
bool ret = false; bool ret = false;
struct nfs4_file *fp = (struct nfs4_file *)fl->fl_owner; struct nfs4_delegation *dp = (struct nfs4_delegation *)fl->fl_owner;
struct nfs4_delegation *dp; struct nfs4_file *fp = dp->dl_stid.sc_file;
if (!fp) {
WARN(1, "(%p)->fl_owner NULL\n", fl);
return ret;
}
if (fp->fi_had_conflict) { if (fp->fi_had_conflict) {
WARN(1, "duplicate break on %p\n", fp); WARN(1, "duplicate break on %p\n", fp);
return ret; return ret;
@ -4309,7 +4305,8 @@ static bool nfsd4_cb_channel_good(struct nfs4_client *clp)
return clp->cl_minorversion && clp->cl_cb_state == NFSD4_CB_UNKNOWN; return clp->cl_minorversion && clp->cl_cb_state == NFSD4_CB_UNKNOWN;
} }
static struct file_lock *nfs4_alloc_init_lease(struct nfs4_file *fp, int flag) static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp,
int flag)
{ {
struct file_lock *fl; struct file_lock *fl;
@ -4320,7 +4317,7 @@ static struct file_lock *nfs4_alloc_init_lease(struct nfs4_file *fp, int flag)
fl->fl_flags = FL_DELEG; fl->fl_flags = FL_DELEG;
fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK; fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
fl->fl_end = OFFSET_MAX; fl->fl_end = OFFSET_MAX;
fl->fl_owner = (fl_owner_t)fp; fl->fl_owner = (fl_owner_t)dp;
fl->fl_pid = current->tgid; fl->fl_pid = current->tgid;
return fl; return fl;
} }
@ -4344,7 +4341,7 @@ static int nfs4_setlease(struct nfs4_delegation *dp)
struct file *filp; struct file *filp;
int status = 0; int status = 0;
fl = nfs4_alloc_init_lease(fp, NFS4_OPEN_DELEGATE_READ); fl = nfs4_alloc_init_lease(dp, NFS4_OPEN_DELEGATE_READ);
if (!fl) if (!fl)
return -ENOMEM; return -ENOMEM;
filp = find_readable_file(fp); filp = find_readable_file(fp);