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-rw-r--r--fs/nfs/callback_proc.c1
-rw-r--r--fs/nfs/nfs4proc.c3
-rw-r--r--fs/nfs/pnfs.c1
-rw-r--r--fs/nfs/pnfs.h13
4 files changed, 17 insertions, 1 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 807eb6ef4f91..716cbff24450 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -192,6 +192,7 @@ static u32 initiate_file_draining(struct nfs_client *clp,
192 NFS_SERVER(ino)->pnfs_curr_ld->return_range(lo, 192 NFS_SERVER(ino)->pnfs_curr_ld->return_range(lo,
193 &args->cbl_range); 193 &args->cbl_range);
194 } 194 }
195 pnfs_mark_layout_returned_if_empty(lo);
195unlock: 196unlock:
196 spin_unlock(&ino->i_lock); 197 spin_unlock(&ino->i_lock);
197 pnfs_free_lseg_list(&free_me_list); 198 pnfs_free_lseg_list(&free_me_list);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index fcd7a9039020..883da29b9ace 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -8049,9 +8049,10 @@ static void nfs4_layoutreturn_release(void *calldata)
8049 8049
8050 dprintk("--> %s\n", __func__); 8050 dprintk("--> %s\n", __func__);
8051 spin_lock(&lo->plh_inode->i_lock); 8051 spin_lock(&lo->plh_inode->i_lock);
8052 pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range);
8053 pnfs_mark_layout_returned_if_empty(lo);
8052 if (lrp->res.lrs_present) 8054 if (lrp->res.lrs_present)
8053 pnfs_set_layout_stateid(lo, &lrp->res.stateid, true); 8055 pnfs_set_layout_stateid(lo, &lrp->res.stateid, true);
8054 pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range);
8055 pnfs_clear_layoutreturn_waitbit(lo); 8056 pnfs_clear_layoutreturn_waitbit(lo);
8056 lo->plh_block_lgets--; 8057 lo->plh_block_lgets--;
8057 spin_unlock(&lo->plh_inode->i_lock); 8058 spin_unlock(&lo->plh_inode->i_lock);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 6095a8d42766..b3fb6bb02275 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1149,6 +1149,7 @@ void pnfs_roc_set_barrier(struct inode *ino, u32 barrier)
1149 1149
1150 spin_lock(&ino->i_lock); 1150 spin_lock(&ino->i_lock);
1151 lo = NFS_I(ino)->layout; 1151 lo = NFS_I(ino)->layout;
1152 pnfs_mark_layout_returned_if_empty(lo);
1152 if (pnfs_seqid_is_newer(barrier, lo->plh_barrier)) 1153 if (pnfs_seqid_is_newer(barrier, lo->plh_barrier))
1153 lo->plh_barrier = barrier; 1154 lo->plh_barrier = barrier;
1154 spin_unlock(&ino->i_lock); 1155 spin_unlock(&ino->i_lock);
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index d1990e90e7a0..be24a759b655 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -556,6 +556,19 @@ pnfs_calc_offset_length(u64 offset, u64 end)
556 return 1 + end - offset; 556 return 1 + end - offset;
557} 557}
558 558
559/**
560 * pnfs_mark_layout_returned_if_empty - marks the layout as returned
561 * @lo: layout header
562 *
563 * Note: Caller must hold inode->i_lock
564 */
565static inline void
566pnfs_mark_layout_returned_if_empty(struct pnfs_layout_hdr *lo)
567{
568 if (list_empty(&lo->plh_segs))
569 set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
570}
571
559extern unsigned int layoutstats_timer; 572extern unsigned int layoutstats_timer;
560 573
561#ifdef NFS_DEBUG 574#ifdef NFS_DEBUG