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pnfs: support for non-rpc layout drivers

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Non-rpc layout driver such as for objects and blocks
implement their own I/O path and error handling logic.
Therefore bypass NFS-based error handling for these layout drivers.

[fix lseg ref-count bugs, and null de-refs]
[Fall out from: non-rpc layout drivers]
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
[get rid of PNFS_USE_RPC_CODE]
[get rid of __nfs4_write_done_cb]
[revert useless change in nfs4_write_done_cb]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Benny Halevy
2011-05-22 19:52:03 +03:00
committed by Boaz Harrosh
parent e51b841dd0
commit d20581aa4b
5 changed files with 62 additions and 4 deletions
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2
fs/nfs/pnfs.h
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@@ -165,6 +165,8 @@ 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, bool sync);
int pnfs_ld_write_done(struct nfs_write_data *);
int pnfs_ld_read_done(struct nfs_read_data *);
/* pnfs_dev.c */
struct nfs4_deviceid_node {