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-rw-r--r--fs/nfs/pnfs.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 449c4782cab3..8e1d4229bf2d 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1768,17 +1768,18 @@ pnfs_set_plh_return_iomode(struct pnfs_layout_hdr *lo, enum pnfs_iomode iomode)
lo->plh_return_iomode = iomode;
}
-void
+int
pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo,
struct list_head *tmp_list,
struct pnfs_layout_range *return_range)
{
struct pnfs_layout_segment *lseg, *next;
+ int remaining = 0;
dprintk("%s:Begin lo %p\n", __func__, lo);
if (list_empty(&lo->plh_segs))
- return;
+ return 0;
assert_spin_locked(&lo->plh_inode->i_lock);
@@ -1791,10 +1792,12 @@ pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo,
lseg->pls_range.length);
set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags);
pnfs_set_plh_return_iomode(lo, return_range->iomode);
- mark_lseg_invalid(lseg, tmp_list);
+ if (!mark_lseg_invalid(lseg, tmp_list))
+ remaining++;
set_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE,
&lo->plh_flags);
}
+ return remaining;
}
void pnfs_error_mark_layout_for_return(struct inode *inode,
@@ -1808,6 +1811,7 @@ void pnfs_error_mark_layout_for_return(struct inode *inode,
.length = NFS4_MAX_UINT64,
};
LIST_HEAD(free_me);
+ bool return_now = false;
spin_lock(&inode->i_lock);
/* set failure bit so that pnfs path will be retried later */
@@ -1818,10 +1822,20 @@ void pnfs_error_mark_layout_for_return(struct inode *inode,
* segments at hand when sending layoutreturn. See pnfs_put_lseg()
* for how it works.
*/
- pnfs_mark_matching_lsegs_return(lo, &free_me, &range);
- spin_unlock(&inode->i_lock);
+ if (!pnfs_mark_matching_lsegs_return(lo, &free_me, &range)) {
+ nfs4_stateid stateid;
+ enum pnfs_iomode iomode = lo->plh_return_iomode;
+
+ nfs4_stateid_copy(&stateid, &lo->plh_stateid);
+ return_now = pnfs_prepare_layoutreturn(lo);
+ spin_unlock(&inode->i_lock);
+ if (return_now)
+ pnfs_send_layoutreturn(lo, &stateid, iomode, false);
+ } else {
+ spin_unlock(&inode->i_lock);
+ nfs_commit_inode(inode, 0);
+ }
pnfs_free_lseg_list(&free_me);
- nfs_commit_inode(inode, 0);
}
EXPORT_SYMBOL_GPL(pnfs_error_mark_layout_for_return);
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