Currently we always return the layout for the whole file.
squash into "pnfs: layoutreturn" and "pnfs: layoutret_on_setattr"
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfs/inode.c | 2 +-
fs/nfs/nfs4proc.c | 2 +-
fs/nfs/nfs4xdr.c | 6 +++---
fs/nfs/pnfs.c | 26 ++++++++++----------------
fs/nfs/pnfs.h | 10 ++++------
include/linux/nfs_xdr.h | 1 -
6 files changed, 19 insertions(+), 28 deletions(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 9a48d1c..e9c6d9f 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1426,7 +1426,7 @@ void nfs4_evict_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
end_writeback(inode);
- pnfs_return_layout(inode, NULL);
+ pnfs_return_layout(inode);
pnfs_destroy_layout(NFS_I(inode));
/* If we are holding a delegation, return it! */
nfs_inode_return_delegation_noreclaim(inode);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 059a74c..801121f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2333,7 +2333,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
int status;
if (pnfs_ld_layoutret_on_setattr(inode))
- pnfs_return_layout(inode, NULL);
+ pnfs_return_layout(inode);
nfs_fattr_init(fattr);
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 8c0e589..7e77a03 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1962,11 +1962,11 @@ encode_layoutreturn(struct xdr_stream *xdr,
*p++ = cpu_to_be32(OP_LAYOUTRETURN);
*p++ = cpu_to_be32(args->reclaim);
*p++ = cpu_to_be32(args->layout_type);
- *p++ = cpu_to_be32(args->range.iomode);
+ *p++ = cpu_to_be32(IOMODE_ANY);
*p = cpu_to_be32(RETURN_FILE);
p = reserve_space(xdr, 16 + NFS4_STATEID_SIZE);
- p = xdr_encode_hyper(p, args->range.offset);
- p = xdr_encode_hyper(p, args->range.length);
+ p = xdr_encode_hyper(p, 0);
+ p = xdr_encode_hyper(p, NFS4_MAX_UINT64);
spin_lock(&args->inode->i_lock);
memcpy(stateid.data, NFS_I(args->inode)->layout->plh_stateid.data, NFS4_STATEID_SIZE);
spin_unlock(&args->inode->i_lock);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index b2066d2..ec2418b 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -416,21 +416,22 @@ mark_matching_lsegs_invalid(struct pnfs_layout_hdr *lo,
* Must be called under the i_lock (unless from the nfs4_evict_inode path)
*/
static bool
-pnfs_clear_lseg_list(struct pnfs_layout_hdr *lo, struct list_head *tmp_list,
- struct pnfs_layout_range *range)
+pnfs_clear_lseg_list(struct pnfs_layout_hdr *lo, struct list_head *tmp_list)
{
struct pnfs_layout_segment *lseg, *next;
+ struct pnfs_layout_range range = {
+ .iomode = IOMODE_ANY,
+ .length = NFS4_MAX_UINT64,
+ };
bool rv = false;
- dprintk("%s:Begin lo %p offset %llu length %llu iomode %d\n",
- __func__, lo, range->offset, range->length, range->iomode);
if (list_empty(&lo->plh_segs)) {
if (!test_and_set_bit(NFS_LAYOUT_DESTROYED, &lo->plh_flags))
put_layout_hdr_locked(lo);
return 0;
}
list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list)
- if (should_free_lseg(&lseg->pls_range, range)) {
+ if (should_free_lseg(&lseg->pls_range, &range)) {
dprintk("%s: freeing lseg %p iomode %d "
"offset %llu length %llu\n", __func__,
lseg, lseg->pls_range.iomode,
@@ -439,7 +440,6 @@ pnfs_clear_lseg_list(struct pnfs_layout_hdr *lo, struct list_head *tmp_list,
mark_lseg_invalid(lseg, tmp_list);
rv = true;
}
- dprintk("%s:Return %d\n", __func__, rv);
return rv;
}
@@ -667,7 +667,7 @@ out_err_free:
}
static int
-return_layout(struct inode *ino, struct pnfs_layout_range *range)
+return_layout(struct inode *ino)
{
struct nfs4_layoutreturn *lrp;
struct nfs_server *server = NFS_SERVER(ino);
@@ -682,7 +682,6 @@ return_layout(struct inode *ino, struct pnfs_layout_range *range)
}
lrp->args.reclaim = 0;
lrp->args.layout_type = server->pnfs_curr_ld->id;
- lrp->args.range = *range;
lrp->args.inode = ino;
lrp->clp = server->nfs_client;
@@ -694,23 +693,18 @@ out:
/* Initiates a LAYOUTRETURN(FILE) */
int
-_pnfs_return_layout(struct inode *ino, struct pnfs_layout_range *range)
+_pnfs_return_layout(struct inode *ino)
{
struct pnfs_layout_hdr *lo = NULL;
struct nfs_inode *nfsi = NFS_I(ino);
- struct pnfs_layout_range arg;
LIST_HEAD(tmp_list);
int status = 0;
dprintk("--> %s\n", __func__);
- arg.iomode = range ? range->iomode : IOMODE_ANY;
- arg.offset = 0;
- arg.length = NFS4_MAX_UINT64;
-
spin_lock(&ino->i_lock);
lo = nfsi->layout;
- if (!lo || !pnfs_clear_lseg_list(lo, &tmp_list, &arg)) {
+ if (!lo || !pnfs_clear_lseg_list(lo, &tmp_list)) {
spin_unlock(&ino->i_lock);
dprintk("%s: no layout segments to return\n", __func__);
goto out;
@@ -725,7 +719,7 @@ _pnfs_return_layout(struct inode *ino, struct pnfs_layout_range *range)
if (status)
dprintk("%s: layoutcommit failed, status=%d. Returning layout anyway\n",
__func__, status);
- status = return_layout(ino, &arg);
+ status = return_layout(ino);
out:
dprintk("<-- %s status: %d\n", __func__, status);
return status;
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index b5d1d22..2c8da75 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -202,7 +202,7 @@ void pnfs_roc_set_barrier(struct inode *ino, u32 barrier);
bool pnfs_roc_drain(struct inode *ino, u32 *barrier);
void pnfs_set_layoutcommit(struct nfs_write_data *wdata);
int pnfs_layoutcommit_inode(struct inode *inode, bool sync);
-int _pnfs_return_layout(struct inode *, struct pnfs_layout_range *);
+int _pnfs_return_layout(struct inode *);
int pnfs_write_done(struct nfs_write_data *);
int pnfs_read_done(struct nfs_read_data *);
@@ -283,14 +283,13 @@ pnfs_ld_layoutret_on_setattr(struct inode *inode)
PNFS_LAYOUTRET_ON_SETATTR;
}
-static inline int pnfs_return_layout(struct inode *ino,
- struct pnfs_layout_range *range)
+static inline int pnfs_return_layout(struct inode *ino)
{
struct nfs_inode *nfsi = NFS_I(ino);
struct nfs_server *nfss = NFS_SERVER(ino);
if (pnfs_enabled_sb(nfss) && nfsi->layout)
- return _pnfs_return_layout(ino, range);
+ return _pnfs_return_layout(ino);
return 0;
}
@@ -336,8 +335,7 @@ pnfs_try_to_write_data(struct nfs_write_data *data,
return PNFS_NOT_ATTEMPTED;
}
-static inline int pnfs_return_layout(struct inode *ino,
- struct pnfs_layout_range *range)
+static inline int pnfs_return_layout(struct inode *ino)
{
return 0;
}
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 6506432..2bd48a2 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -272,7 +272,6 @@ struct nfs4_layoutcommit_data {
struct nfs4_layoutreturn_args {
__u32 reclaim;
__u32 layout_type;
- struct pnfs_layout_range range;
struct inode *inode;
struct nfs4_sequence_args seq_args;
};
--
1.7.3.4
--
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