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| author | Andy Adamson <andros@netapp.com> | 2011-03-23 13:27:54 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-23 15:29:04 -0400 |
| commit | 863a3c6c686d5773f7192a4818769e15db12ce08 (patch) | |
| tree | 3ff8bf04c583aa0c16ae30b0821bc9148d49a47a /fs/nfs/pnfs.h | |
| parent | e0c2b3801828aadb65dec9f67f7c6b7a675ad007 (diff) | |
| download | op-kernel-dev-863a3c6c686d5773f7192a4818769e15db12ce08.zip op-kernel-dev-863a3c6c686d5773f7192a4818769e15db12ce08.tar.gz | |
NFSv4.1: layoutcommit
The filelayout driver sends LAYOUTCOMMIT only when COMMIT goes to
the data server (as opposed to the MDS) and the data server WRITE
is not NFS_FILE_SYNC.
Only whole file layout support means that there is only one IOMODE_RW layout
segment.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Dean Hildebrand <dhildeb@us.ibm.com>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Mingyang Guo <guomingyang@nrchpc.ac.cn>
Signed-off-by: Tao Guo <guotao@nrchpc.ac.cn>
Signed-off-by: Zhang Jingwang <zhangjingwang@nrchpc.ac.cn>
Tested-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
| -rw-r--r-- | fs/nfs/pnfs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 5370f1b..0806c77 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -43,6 +43,8 @@ struct pnfs_layout_segment { atomic_t pls_refcount; unsigned long pls_flags; struct pnfs_layout_hdr *pls_layout; + struct rpc_cred *pls_lc_cred; /* LAYOUTCOMMIT credential */ + loff_t pls_end_pos; /* LAYOUTCOMMIT write end */ }; enum pnfs_try_status { @@ -152,7 +154,8 @@ bool pnfs_roc(struct inode *ino); 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); +int pnfs_layoutcommit_inode(struct inode *inode, int sync); static inline int lo_fail_bit(u32 iomode) { @@ -325,6 +328,10 @@ static inline void pnfs_clear_request_commit(struct nfs_page *req) { } +static inline int pnfs_layoutcommit_inode(struct inode *inode, int sync) +{ + return 0; +} #endif /* CONFIG_NFS_V4_1 */ #endif /* FS_NFS_PNFS_H */ |
