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Commit 012fa16d authored by Peng Tao's avatar Peng Tao Committed by Tom Haynes
Browse files

nfs: add a helper to set NFS_ODIRECT_RESCHED_WRITES to direct writes 



To allow pnfs LD to ask direct writes to be resend.

Signed-off-by: default avatarPeng Tao <tao.peng@primarydata.com>
parent c829013d

fs/nfs/direct.c

+6 −0
Original line number Diff line number Diff line
@@ -116,6 +116,12 @@ static inline int put_dreq(struct nfs_direct_req *dreq) 
	return atomic_dec_and_test(&dreq->io_count);

}



void nfs_direct_set_resched_writes(struct nfs_direct_req *dreq)

{

	dreq->flags = NFS_ODIRECT_RESCHED_WRITES;

}

EXPORT_SYMBOL_GPL(nfs_direct_set_resched_writes);



static void

nfs_direct_good_bytes(struct nfs_direct_req *dreq, struct nfs_pgio_header *hdr)

{

fs/nfs/internal.h

+1 −0
Original line number Diff line number Diff line
@@ -502,6 +502,7 @@ static inline void nfs_inode_dio_wait(struct inode *inode) 
	inode_dio_wait(inode);

}

extern ssize_t nfs_dreq_bytes_left(struct nfs_direct_req *dreq);

extern void nfs_direct_set_resched_writes(struct nfs_direct_req *dreq);



/* nfs4proc.c */

extern void __nfs4_read_done_cb(struct nfs_pgio_header *);