diff options
Diffstat (limited to 'fs/nfs/callback_proc.c')
| -rw-r--r-- | fs/nfs/callback_proc.c | 19 | 
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index ae2e87b9545..41db5258e7a 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -112,7 +112,8 @@ out:   * TODO: keep track of all layouts (and delegations) in a hash table   * hashed by filehandle.   */ -static struct pnfs_layout_hdr * get_layout_by_fh_locked(struct nfs_client *clp, struct nfs_fh *fh) +static struct pnfs_layout_hdr * get_layout_by_fh_locked(struct nfs_client *clp, +		struct nfs_fh *fh, nfs4_stateid *stateid)  {  	struct nfs_server *server;  	struct inode *ino; @@ -120,17 +121,19 @@ static struct pnfs_layout_hdr * get_layout_by_fh_locked(struct nfs_client *clp,  	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link) {  		list_for_each_entry(lo, &server->layouts, plh_layouts) { +			if (!nfs4_stateid_match_other(&lo->plh_stateid, stateid)) +				continue;  			if (nfs_compare_fh(fh, &NFS_I(lo->plh_inode)->fh))  				continue;  			ino = igrab(lo->plh_inode);  			if (!ino) -				continue; +				break;  			spin_lock(&ino->i_lock);  			/* Is this layout in the process of being freed? */  			if (NFS_I(ino)->layout != lo) {  				spin_unlock(&ino->i_lock);  				iput(ino); -				continue; +				break;  			}  			pnfs_get_layout_hdr(lo);  			spin_unlock(&ino->i_lock); @@ -141,13 +144,14 @@ static struct pnfs_layout_hdr * get_layout_by_fh_locked(struct nfs_client *clp,  	return NULL;  } -static struct pnfs_layout_hdr * get_layout_by_fh(struct nfs_client *clp, struct nfs_fh *fh) +static struct pnfs_layout_hdr * get_layout_by_fh(struct nfs_client *clp, +		struct nfs_fh *fh, nfs4_stateid *stateid)  {  	struct pnfs_layout_hdr *lo;  	spin_lock(&clp->cl_lock);  	rcu_read_lock(); -	lo = get_layout_by_fh_locked(clp, fh); +	lo = get_layout_by_fh_locked(clp, fh, stateid);  	rcu_read_unlock();  	spin_unlock(&clp->cl_lock); @@ -162,9 +166,9 @@ static u32 initiate_file_draining(struct nfs_client *clp,  	u32 rv = NFS4ERR_NOMATCHING_LAYOUT;  	LIST_HEAD(free_me_list); -	lo = get_layout_by_fh(clp, &args->cbl_fh); +	lo = get_layout_by_fh(clp, &args->cbl_fh, &args->cbl_stateid);  	if (!lo) -		return NFS4ERR_NOMATCHING_LAYOUT; +		goto out;  	ino = lo->plh_inode;  	spin_lock(&ino->i_lock); @@ -179,6 +183,7 @@ static u32 initiate_file_draining(struct nfs_client *clp,  	pnfs_free_lseg_list(&free_me_list);  	pnfs_put_layout_hdr(lo);  	iput(ino); +out:  	return rv;  }  | 
