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pnfs: cleanup_layoutcommit

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This gives layout driver a chance to cleanup structures they put in at
encode_layoutcommit.

Signed-off-by: Andy Adamson <andros@netapp.com>
[fixup layout header pointer for layoutcommit]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
[rm inode and pnfs_layout_hdr args from cleanup_layoutcommit()]
Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Andy Adamson 2011-07-30 20:52:38 -04:00 committed by Trond Myklebust
parent dae100c2b1
commit db29c08909
5 changed files with 14 additions and 0 deletions
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1
fs/nfs/nfs4proc.c
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@ -5963,6 +5963,7 @@ static void nfs4_layoutcommit_release(void *calldata)
struct nfs4_layoutcommit_data *data = calldata;
struct pnfs_layout_segment *lseg, *tmp;
pnfs_cleanup_layoutcommit(data);
/* Matched by references in pnfs_set_layoutcommit */
list_for_each_entry_safe(lseg, tmp, &data->lseg_list, pls_lc_list) {
list_del_init(&lseg->pls_lc_list);

1
fs/nfs/nfs4xdr.c
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@ -5599,6 +5599,7 @@ static int decode_layoutcommit(struct xdr_stream *xdr,
int status;
status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT);
res->status = status;
if (status)
return status;

8
fs/nfs/pnfs.c
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@ -1411,6 +1411,14 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata)
}
EXPORT_SYMBOL_GPL(pnfs_set_layoutcommit);
void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data)
{
struct nfs_server *nfss = NFS_SERVER(data->args.inode);
if (nfss->pnfs_curr_ld->cleanup_layoutcommit)
nfss->pnfs_curr_ld->cleanup_layoutcommit(data);
}
/*
* For the LAYOUT4_NFSV4_1_FILES layout type, NFS_DATA_SYNC WRITEs and
* NFS_UNSTABLE WRITEs with a COMMIT to data servers must store enough

3
fs/nfs/pnfs.h
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@ -113,6 +113,8 @@ struct pnfs_layoutdriver_type {
struct xdr_stream *xdr,
const struct nfs4_layoutreturn_args *args);
void (*cleanup_layoutcommit) (struct nfs4_layoutcommit_data *data);
void (*encode_layoutcommit) (struct pnfs_layout_hdr *layoutid,
struct xdr_stream *xdr,
const struct nfs4_layoutcommit_args *args);
@ -196,6 +198,7 @@ void pnfs_roc_release(struct inode *ino);
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);
void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data);
int pnfs_layoutcommit_inode(struct inode *inode, bool sync);
int _pnfs_return_layout(struct inode *);
int pnfs_ld_write_done(struct nfs_write_data *);

1
include/linux/nfs_xdr.h
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@ -269,6 +269,7 @@ struct nfs4_layoutcommit_res {
struct nfs_fattr *fattr;
const struct nfs_server *server;
struct nfs4_sequence_res seq_res;
int status;
};
struct nfs4_layoutcommit_data {