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authorPeng Tao <tao.peng@primarydata.com>2014-09-06 00:53:22 +0800
committerTom Haynes <loghyr@primarydata.com>2015-02-03 11:06:41 -0800
commitf40eb5d044e2eea3f866eeeeb45ca30753773cda (patch)
tree595cdf1e1ca1b915a7585002c4642431d372c517 /fs/nfs/pnfs.c
parent4579d6b897ee1b2557517fd536fb17eeb13481ad (diff)
nfs41: make a helper function to send layoutreturn
It allows to specify different iomode to return. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c53
1 files changed, 33 insertions, 20 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 1b544c1a746c..1b9720992608 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -845,6 +845,38 @@ static void pnfs_clear_layoutcommit(struct inode *inode,
}
}
+static int
+pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
+ enum pnfs_iomode iomode)
+{
+ struct inode *ino = lo->plh_inode;
+ struct nfs4_layoutreturn *lrp;
+ int status = 0;
+
+ lrp = kzalloc(sizeof(*lrp), GFP_KERNEL);
+ if (unlikely(lrp == NULL)) {
+ status = -ENOMEM;
+ spin_lock(&ino->i_lock);
+ lo->plh_block_lgets--;
+ spin_unlock(&ino->i_lock);
+ pnfs_put_layout_hdr(lo);
+ goto out;
+ }
+
+ lrp->args.stateid = stateid;
+ lrp->args.layout_type = NFS_SERVER(ino)->pnfs_curr_ld->id;
+ lrp->args.inode = ino;
+ lrp->args.iomode = iomode;
+ lrp->args.layout = lo;
+ lrp->clp = NFS_SERVER(ino)->nfs_client;
+ lrp->cred = lo->plh_lc_cred;
+
+ status = nfs4_proc_layoutreturn(lrp);
+out:
+ dprintk("<-- %s status: %d\n", __func__, status);
+ return status;
+}
+
/*
* Initiates a LAYOUTRETURN(FILE), and removes the pnfs_layout_hdr
* when the layout segment list is empty.
@@ -859,7 +891,6 @@ _pnfs_return_layout(struct inode *ino)
struct pnfs_layout_hdr *lo = NULL;
struct nfs_inode *nfsi = NFS_I(ino);
LIST_HEAD(tmp_list);
- struct nfs4_layoutreturn *lrp;
nfs4_stateid stateid;
int status = 0, empty;
@@ -901,25 +932,7 @@ _pnfs_return_layout(struct inode *ino)
spin_unlock(&ino->i_lock);
pnfs_free_lseg_list(&tmp_list);
- lrp = kzalloc(sizeof(*lrp), GFP_KERNEL);
- if (unlikely(lrp == NULL)) {
- status = -ENOMEM;
- spin_lock(&ino->i_lock);
- lo->plh_block_lgets--;
- spin_unlock(&ino->i_lock);
- pnfs_put_layout_hdr(lo);
- goto out;
- }
-
- lrp->args.stateid = stateid;
- lrp->args.layout_type = NFS_SERVER(ino)->pnfs_curr_ld->id;
- lrp->args.inode = ino;
- lrp->args.iomode = IOMODE_ANY;
- lrp->args.layout = lo;
- lrp->clp = NFS_SERVER(ino)->nfs_client;
- lrp->cred = lo->plh_lc_cred;
-
- status = nfs4_proc_layoutreturn(lrp);
+ status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY);
out:
dprintk("<-- %s status: %d\n", __func__, status);
return status;