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Commit 67af7611 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4.1/pnfs: Refactor pnfs_set_layoutcommit() 



pnfs_set_layoutcommit() and pnfs_commit_set_layoutcommit() are 100% identical
except for the function arguments. Refactor to eliminate the difference.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 29559b11

fs/nfs/filelayout/filelayout.c

+3 −2
Original line number Diff line number Diff line
@@ -258,7 +258,8 @@ filelayout_set_layoutcommit(struct nfs_pgio_header *hdr) 
	    hdr->res.verf->committed != NFS_DATA_SYNC)

		return;



	pnfs_set_layoutcommit(hdr);

	pnfs_set_layoutcommit(hdr->inode, hdr->lseg,

			hdr->mds_offset + hdr->res.count);

	dprintk("%s inode %lu pls_end_pos %lu\n", __func__, hdr->inode->i_ino,

		(unsigned long) NFS_I(hdr->inode)->layout->plh_lwb);

}
@@ -373,7 +374,7 @@ static int filelayout_commit_done_cb(struct rpc_task *task, 
	}



	if (data->verf.committed == NFS_UNSTABLE)

		pnfs_commit_set_layoutcommit(data);

		pnfs_set_layoutcommit(data->inode, data->lseg, data->lwb);



	return 0;

}

fs/nfs/flexfilelayout/flexfilelayout.c

+3 −2
Original line number Diff line number Diff line
@@ -891,7 +891,8 @@ static int ff_layout_read_done_cb(struct rpc_task *task, 
static void

ff_layout_set_layoutcommit(struct nfs_pgio_header *hdr)

{

	pnfs_set_layoutcommit(hdr);

	pnfs_set_layoutcommit(hdr->inode, hdr->lseg,

			hdr->mds_offset + hdr->res.count);

	dprintk("%s inode %lu pls_end_pos %lu\n", __func__, hdr->inode->i_ino,

		(unsigned long) NFS_I(hdr->inode)->layout->plh_lwb);

}
@@ -1074,7 +1075,7 @@ static int ff_layout_commit_done_cb(struct rpc_task *task, 
	}



	if (data->verf.committed == NFS_UNSTABLE)

		pnfs_commit_set_layoutcommit(data);

		pnfs_set_layoutcommit(data->inode, data->lseg, data->lwb);



	return 0;

}

fs/nfs/pnfs.c

+7 −36
Original line number Diff line number Diff line
@@ -1841,7 +1841,8 @@ void pnfs_ld_write_done(struct nfs_pgio_header *hdr) 
{

	trace_nfs4_pnfs_write(hdr, hdr->pnfs_error);

	if (!hdr->pnfs_error) {

		pnfs_set_layoutcommit(hdr);

		pnfs_set_layoutcommit(hdr->inode, hdr->lseg,

				hdr->mds_offset + hdr->res.count);

		hdr->mds_ops->rpc_call_done(&hdr->task, hdr);

	} else

		pnfs_ld_handle_write_error(hdr);
@@ -2099,11 +2100,10 @@ void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg) 
EXPORT_SYMBOL_GPL(pnfs_set_lo_fail);



void

pnfs_set_layoutcommit(struct nfs_pgio_header *hdr)

pnfs_set_layoutcommit(struct inode *inode, struct pnfs_layout_segment *lseg,

		loff_t end_pos)

{

	struct inode *inode = hdr->inode;

	struct nfs_inode *nfsi = NFS_I(inode);

	loff_t end_pos = hdr->mds_offset + hdr->res.count;

	bool mark_as_dirty = false;



	spin_lock(&inode->i_lock);
@@ -2114,13 +2114,13 @@ pnfs_set_layoutcommit(struct nfs_pgio_header *hdr) 
			__func__, inode->i_ino);

	} else if (end_pos > nfsi->layout->plh_lwb)

		nfsi->layout->plh_lwb = end_pos;

	if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &hdr->lseg->pls_flags)) {

	if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) {

		/* references matched in nfs4_layoutcommit_release */

		pnfs_get_lseg(hdr->lseg);

		pnfs_get_lseg(lseg);

	}

	spin_unlock(&inode->i_lock);

	dprintk("%s: lseg %p end_pos %llu\n",

		__func__, hdr->lseg, nfsi->layout->plh_lwb);

		__func__, lseg, nfsi->layout->plh_lwb);



	/* if pnfs_layoutcommit_inode() runs between inode locks, the next one

	 * will be a noop because NFS_INO_LAYOUTCOMMIT will not be set */
@@ -2129,35 +2129,6 @@ pnfs_set_layoutcommit(struct nfs_pgio_header *hdr) 
}

EXPORT_SYMBOL_GPL(pnfs_set_layoutcommit);



void pnfs_commit_set_layoutcommit(struct nfs_commit_data *data)

{

	struct inode *inode = data->inode;

	struct nfs_inode *nfsi = NFS_I(inode);

	bool mark_as_dirty = false;



	spin_lock(&inode->i_lock);

	if (!test_and_set_bit(NFS_INO_LAYOUTCOMMIT, &nfsi->flags)) {

		nfsi->layout->plh_lwb = data->lwb;

		mark_as_dirty = true;

		dprintk("%s: Set layoutcommit for inode %lu ",

			__func__, inode->i_ino);

	} else if (data->lwb > nfsi->layout->plh_lwb)

		nfsi->layout->plh_lwb = data->lwb;

	if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &data->lseg->pls_flags)) {

		/* references matched in nfs4_layoutcommit_release */

		pnfs_get_lseg(data->lseg);

	}

	spin_unlock(&inode->i_lock);

	dprintk("%s: lseg %p end_pos %llu\n",

		__func__, data->lseg, nfsi->layout->plh_lwb);



	/* if pnfs_layoutcommit_inode() runs between inode locks, the next one

	 * will be a noop because NFS_INO_LAYOUTCOMMIT will not be set */

	if (mark_as_dirty)

		mark_inode_dirty_sync(inode);

}

EXPORT_SYMBOL_GPL(pnfs_commit_set_layoutcommit);



void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data)

{

	struct nfs_server *nfss = NFS_SERVER(data->args.inode);

fs/nfs/pnfs.h

+1 −2
Original line number Diff line number Diff line
@@ -264,8 +264,7 @@ 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, struct rpc_task *task);

void pnfs_set_layoutcommit(struct nfs_pgio_header *);

void pnfs_commit_set_layoutcommit(struct nfs_commit_data *data);

void pnfs_set_layoutcommit(struct inode *, struct pnfs_layout_segment *, loff_t);

void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data);

int pnfs_layoutcommit_inode(struct inode *inode, bool sync);

int _pnfs_return_layout(struct inode *);