lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

NFSv4.1: unify pnfs_pageio_init functions

Browse Source 
Use common code for pnfs_pageio_init_{read,write} and use
a common generic pg_test function.

Note that this function always assumes the the layout driver's
pg_test method is implemented.

[Fix BUG]
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Benny Halevy
2011-05-25 20:25:22 +03:00
committed by Boaz Harrosh
parent a0fe8bf427
commit dfed206b88
5 changed files with 29 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
fs/nfs/pnfs.h
View File

@@ -158,8 +158,7 @@ enum pnfs_try_status pnfs_try_to_write_data(struct nfs_write_data *,
const struct rpc_call_ops *, int);
enum pnfs_try_status pnfs_try_to_read_data(struct nfs_read_data *,
const struct rpc_call_ops *);
void pnfs_pageio_init_read(struct nfs_pageio_descriptor *, struct inode *);
void pnfs_pageio_init_write(struct nfs_pageio_descriptor *, struct inode *);
int pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, struct nfs_page *req);
int pnfs_layout_process(struct nfs4_layoutget *lgp);
void pnfs_free_lseg_list(struct list_head *tmp_list);
void pnfs_destroy_layout(struct nfs_inode *);
@@ -293,6 +292,13 @@ static inline int pnfs_return_layout(struct inode *ino)
return 0;
}
static inline void pnfs_pageio_init(struct nfs_pageio_descriptor *pgio,
struct inode *inode)
{
if (NFS_SERVER(inode)->pnfs_curr_ld)
pgio->pg_test = pnfs_generic_pg_test;
}
#else /* CONFIG_NFS_V4_1 */
static inline void pnfs_destroy_all_layouts(struct nfs_client *clp)
@@ -376,16 +382,9 @@ static inline void unset_pnfs_layoutdriver(struct nfs_server *s)
{
}
static inline void
pnfs_pageio_init_read(struct nfs_pageio_descriptor *pgio, struct inode *ino)
static inline void pnfs_pageio_init(struct nfs_pageio_descriptor *pgio,
struct inode *inode)
{
pgio->pg_test = NULL;
}
static inline void
pnfs_pageio_init_write(struct nfs_pageio_descriptor *pgio, struct inode *ino)
{
pgio->pg_test = NULL;
}
static inline void