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synced 2024-09-28 13:22:57 +00:00
NFSv4/pnfs: Clean up layout get on open
Cache the layout in the arguments so we don't have to keep looking it up from the inode. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
parent
0b77f97a7e
commit
b4e89bcba2
3 changed files with 18 additions and 17 deletions
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@ -9419,7 +9419,7 @@ nfs4_layoutget_handle_exception(struct rpc_task *task,
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{
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{
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struct inode *inode = lgp->args.inode;
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struct inode *inode = lgp->args.inode;
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struct nfs_server *server = NFS_SERVER(inode);
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struct nfs_server *server = NFS_SERVER(inode);
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struct pnfs_layout_hdr *lo;
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struct pnfs_layout_hdr *lo = lgp->lo;
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int nfs4err = task->tk_status;
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int nfs4err = task->tk_status;
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int err, status = 0;
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int err, status = 0;
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LIST_HEAD(head);
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LIST_HEAD(head);
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@ -9471,7 +9471,6 @@ nfs4_layoutget_handle_exception(struct rpc_task *task,
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case -NFS4ERR_BAD_STATEID:
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case -NFS4ERR_BAD_STATEID:
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exception->timeout = 0;
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exception->timeout = 0;
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spin_lock(&inode->i_lock);
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spin_lock(&inode->i_lock);
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lo = NFS_I(inode)->layout;
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/* If the open stateid was bad, then recover it. */
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/* If the open stateid was bad, then recover it. */
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if (!lo || test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags) ||
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if (!lo || test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags) ||
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!nfs4_stateid_match_other(&lgp->args.stateid, &lo->plh_stateid)) {
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!nfs4_stateid_match_other(&lgp->args.stateid, &lo->plh_stateid)) {
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@ -9554,9 +9553,6 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout)
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dprintk("--> %s\n", __func__);
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dprintk("--> %s\n", __func__);
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/* nfs4_layoutget_release calls pnfs_put_layout_hdr */
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pnfs_get_layout_hdr(NFS_I(inode)->layout);
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nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
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nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
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task = rpc_run_task(&task_setup_data);
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task = rpc_run_task(&task_setup_data);
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@ -1128,8 +1128,7 @@ void pnfs_layoutget_free(struct nfs4_layoutget *lgp)
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size_t max_pages = lgp->args.layout.pglen / PAGE_SIZE;
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size_t max_pages = lgp->args.layout.pglen / PAGE_SIZE;
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nfs4_free_pages(lgp->args.layout.pages, max_pages);
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nfs4_free_pages(lgp->args.layout.pages, max_pages);
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if (lgp->args.inode)
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pnfs_put_layout_hdr(lgp->lo);
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pnfs_put_layout_hdr(NFS_I(lgp->args.inode)->layout);
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put_nfs_open_context(lgp->args.ctx);
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put_nfs_open_context(lgp->args.ctx);
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kfree(lgp);
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kfree(lgp);
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}
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}
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@ -2124,6 +2123,9 @@ pnfs_update_layout(struct inode *ino,
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goto out_put_layout_hdr;
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goto out_put_layout_hdr;
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}
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}
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lgp->lo = lo;
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pnfs_get_layout_hdr(lo);
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lseg = nfs4_proc_layoutget(lgp, &timeout);
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lseg = nfs4_proc_layoutget(lgp, &timeout);
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trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
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trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
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PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET);
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PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET);
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@ -2255,6 +2257,7 @@ static void _lgopen_prepare_attached(struct nfs4_opendata *data,
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pnfs_put_layout_hdr(lo);
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pnfs_put_layout_hdr(lo);
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return;
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return;
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}
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}
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lgp->lo = lo;
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data->lgp = lgp;
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data->lgp = lgp;
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data->o_arg.lg_args = &lgp->args;
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data->o_arg.lg_args = &lgp->args;
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data->o_res.lg_res = &lgp->res;
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data->o_res.lg_res = &lgp->res;
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@ -2263,6 +2266,7 @@ static void _lgopen_prepare_attached(struct nfs4_opendata *data,
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static void _lgopen_prepare_floating(struct nfs4_opendata *data,
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static void _lgopen_prepare_floating(struct nfs4_opendata *data,
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struct nfs_open_context *ctx)
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struct nfs_open_context *ctx)
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{
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{
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struct inode *ino = data->dentry->d_inode;
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struct pnfs_layout_range rng = {
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struct pnfs_layout_range rng = {
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.iomode = (data->o_arg.fmode & FMODE_WRITE) ?
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.iomode = (data->o_arg.fmode & FMODE_WRITE) ?
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IOMODE_RW: IOMODE_READ,
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IOMODE_RW: IOMODE_READ,
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@ -2271,7 +2275,7 @@ static void _lgopen_prepare_floating(struct nfs4_opendata *data,
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};
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};
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struct nfs4_layoutget *lgp;
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struct nfs4_layoutget *lgp;
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lgp = pnfs_alloc_init_layoutget_args(NULL, ctx, ¤t_stateid,
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lgp = pnfs_alloc_init_layoutget_args(ino, ctx, ¤t_stateid,
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&rng, GFP_KERNEL);
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&rng, GFP_KERNEL);
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if (!lgp)
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if (!lgp)
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return;
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return;
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@ -2291,6 +2295,8 @@ void pnfs_lgopen_prepare(struct nfs4_opendata *data,
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/* Could check on max_ops, but currently hardcoded high enough */
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/* Could check on max_ops, but currently hardcoded high enough */
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if (!nfs_server_capable(data->dir->d_inode, NFS_CAP_LGOPEN))
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if (!nfs_server_capable(data->dir->d_inode, NFS_CAP_LGOPEN))
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return;
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return;
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if (data->lgp)
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return;
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if (data->state)
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if (data->state)
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_lgopen_prepare_attached(data, ctx);
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_lgopen_prepare_attached(data, ctx);
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else
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else
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@ -2330,13 +2336,13 @@ void pnfs_parse_lgopen(struct inode *ino, struct nfs4_layoutget *lgp,
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}
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}
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return;
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return;
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}
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}
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if (!lgp->args.inode) {
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if (!lgp->lo) {
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lo = _pnfs_grab_empty_layout(ino, ctx);
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lo = _pnfs_grab_empty_layout(ino, ctx);
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if (!lo)
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if (!lo)
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return;
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return;
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lgp->args.inode = ino;
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lgp->lo = lo;
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} else
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} else
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lo = NFS_I(lgp->args.inode)->layout;
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lo = lgp->lo;
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lseg = pnfs_layout_process(lgp);
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lseg = pnfs_layout_process(lgp);
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if (!IS_ERR(lseg)) {
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if (!IS_ERR(lseg)) {
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@ -2349,11 +2355,9 @@ void pnfs_parse_lgopen(struct inode *ino, struct nfs4_layoutget *lgp,
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void nfs4_lgopen_release(struct nfs4_layoutget *lgp)
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void nfs4_lgopen_release(struct nfs4_layoutget *lgp)
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{
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{
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if (lgp != NULL) {
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if (lgp != NULL) {
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struct inode *inode = lgp->args.inode;
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if (lgp->lo) {
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if (inode) {
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pnfs_clear_first_layoutget(lgp->lo);
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struct pnfs_layout_hdr *lo = NFS_I(inode)->layout;
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nfs_layoutget_end(lgp->lo);
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pnfs_clear_first_layoutget(lo);
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nfs_layoutget_end(lo);
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}
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}
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pnfs_layoutget_free(lgp);
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pnfs_layoutget_free(lgp);
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}
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}
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@ -2362,7 +2366,7 @@ void nfs4_lgopen_release(struct nfs4_layoutget *lgp)
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struct pnfs_layout_segment *
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struct pnfs_layout_segment *
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pnfs_layout_process(struct nfs4_layoutget *lgp)
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pnfs_layout_process(struct nfs4_layoutget *lgp)
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{
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{
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struct pnfs_layout_hdr *lo = NFS_I(lgp->args.inode)->layout;
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struct pnfs_layout_hdr *lo = lgp->lo;
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struct nfs4_layoutget_res *res = &lgp->res;
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struct nfs4_layoutget_res *res = &lgp->res;
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struct pnfs_layout_segment *lseg;
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struct pnfs_layout_segment *lseg;
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struct inode *ino = lo->plh_inode;
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struct inode *ino = lo->plh_inode;
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@ -277,6 +277,7 @@ struct nfs4_layoutget {
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struct nfs4_layoutget_args args;
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struct nfs4_layoutget_args args;
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struct nfs4_layoutget_res res;
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struct nfs4_layoutget_res res;
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const struct cred *cred;
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const struct cred *cred;
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struct pnfs_layout_hdr *lo;
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gfp_t gfp_flags;
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gfp_t gfp_flags;
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};
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};
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