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| author | Fred Isaman <iisaman@netapp.com> | 2012-04-20 14:47:47 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-04-27 14:10:37 -0400 |
| commit | 6c75dc0d498caa402fb17b1bf769835a9db875c8 (patch) | |
| tree | b367bb2428c011f20b8fd47a6dd0b8603ee136ba /fs/nfs/internal.h | |
| parent | 4db6e0b74c0f6dfc2f9c0690e8df512e3b635983 (diff) | |
| download | linux-6c75dc0d498caa402fb17b1bf769835a9db875c8.tar.gz linux-6c75dc0d498caa402fb17b1bf769835a9db875c8.tar.bz2 linux-6c75dc0d498caa402fb17b1bf769835a9db875c8.zip | |
NFS: merge _full and _partial write rpc_ops
Decouple nfs_pgio_header and nfs_write_data, and have (possibly
multiple) nfs_write_datas each take a refcount on nfs_pgio_header.
For the moment keeps nfs_write_header as a way to preallocate a single
nfs_write_data with the nfs_pgio_header. The code doesn't need this,
and would be prettier without, but given the amount of churn I am
already introducing I didn't want to play with tuning new mempools.
This also fixes bug in pnfs_ld_handle_write_error. In the case of
desc->pg_bsize < PAGE_CACHE_SIZE, the pages list was empty, causing
replay attempt to do nothing.
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 33af5e51c0bb..16bc9c47c83e 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -319,10 +319,14 @@ extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio); extern void nfs_readdata_release(struct nfs_read_data *rdata); /* write.c */ -extern struct nfs_write_header *nfs_writehdr_alloc(unsigned int npages); +extern void nfs_async_write_error(struct list_head *head); +extern struct nfs_write_header *nfs_writehdr_alloc(void); extern void nfs_writehdr_free(struct nfs_pgio_header *hdr); +extern struct nfs_write_data *nfs_writedata_alloc(struct nfs_pgio_header *hdr, + unsigned int pagecount); +extern void nfs_write_completion(struct nfs_pgio_header *hdr); extern int nfs_generic_flush(struct nfs_pageio_descriptor *desc, - struct list_head *head); + struct nfs_pgio_header *hdr); extern void nfs_pageio_init_write_mds(struct nfs_pageio_descriptor *pgio, struct inode *inode, int ioflags); extern void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio); |