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NFSv4.1: Cleanup; add "pnfs_" prefix to put_lseg() and get_lseg()

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-09-18 20:57:08 -04:00
parent 70c3bd2bdf
commit 9369a431bc
4 changed files with 31 additions and 31 deletions
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16
fs/nfs/nfs4filelayout.c
View File

@ -453,7 +453,7 @@ static void filelayout_commit_release(void *calldata)
struct nfs_commit_data *data = calldata;
data->completion_ops->completion(data);
put_lseg(data->lseg);
pnfs_put_lseg(data->lseg);
nfs_put_client(data->ds_clp);
nfs_commitdata_release(data);
}
@ -931,7 +931,7 @@ filelayout_pg_init_write(struct nfs_pageio_descriptor *pgio,
nfs_init_cinfo(&cinfo, pgio->pg_inode, pgio->pg_dreq);
status = filelayout_alloc_commit_info(pgio->pg_lseg, &cinfo, GFP_NOFS);
if (status < 0) {
put_lseg(pgio->pg_lseg);
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = NULL;
goto out_mds;
}
@ -985,7 +985,7 @@ filelayout_clear_request_commit(struct nfs_page *req,
out:
nfs_request_remove_commit_list(req, cinfo);
spin_unlock(cinfo->lock);
put_lseg(freeme);
pnfs_put_lseg(freeme);
}
static struct list_head *
@ -1018,7 +1018,7 @@ filelayout_choose_commit_list(struct nfs_page *req,
* off due to a rewrite, in which case it will be done in
* filelayout_clear_request_commit
*/
buckets[i].wlseg = get_lseg(lseg);
buckets[i].wlseg = pnfs_get_lseg(lseg);
}
set_bit(PG_COMMIT_TO_DS, &req->wb_flags);
cinfo->ds->nwritten++;
@ -1128,7 +1128,7 @@ filelayout_scan_ds_commit_list(struct pnfs_commit_bucket *bucket,
if (list_empty(src))
bucket->wlseg = NULL;
else
get_lseg(bucket->clseg);
pnfs_get_lseg(bucket->clseg);
}
return ret;
}
@ -1159,12 +1159,12 @@ static void filelayout_recover_commit_reqs(struct list_head *dst,
/* NOTE cinfo->lock is NOT held, relying on fact that this is
* only called on single thread per dreq.
* Can't take the lock because need to do put_lseg
* Can't take the lock because need to do pnfs_put_lseg
*/
for (i = 0, b = cinfo->ds->buckets; i < cinfo->ds->nbuckets; i++, b++) {
if (transfer_commit_list(&b->written, dst, cinfo, 0)) {
BUG_ON(!list_empty(&b->written));
put_lseg(b->wlseg);
pnfs_put_lseg(b->wlseg);
b->wlseg = NULL;
}
}
@ -1200,7 +1200,7 @@ alloc_ds_commits(struct nfs_commit_info *cinfo, struct list_head *list)
if (list_empty(&bucket->committing))
continue;
nfs_retry_commit(&bucket->committing, bucket->clseg, cinfo);
put_lseg(bucket->clseg);
pnfs_put_lseg(bucket->clseg);
bucket->clseg = NULL;
}
/* Caller will clean up entries put on list */

2
fs/nfs/nfs4proc.c
View File

@ -6549,7 +6549,7 @@ static void nfs4_layoutcommit_release(void *calldata)
list_del_init(&lseg->pls_lc_list);
if (test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT,
&lseg->pls_flags))
put_lseg(lseg);
pnfs_put_lseg(lseg);
}
clear_bit_unlock(NFS_INO_LAYOUTCOMMITTING, bitlock);

36
fs/nfs/pnfs.c
View File

@ -259,7 +259,7 @@ static void free_lseg(struct pnfs_layout_segment *lseg)
}
static void
put_lseg_common(struct pnfs_layout_segment *lseg)
pnfs_put_lseg_common(struct pnfs_layout_segment *lseg)
{
struct inode *inode = lseg->pls_layout->plh_inode;
@ -274,7 +274,7 @@ put_lseg_common(struct pnfs_layout_segment *lseg)
}
void
put_lseg(struct pnfs_layout_segment *lseg)
pnfs_put_lseg(struct pnfs_layout_segment *lseg)
{
struct inode *inode;
@ -288,13 +288,13 @@ put_lseg(struct pnfs_layout_segment *lseg)
if (atomic_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) {
LIST_HEAD(free_me);
put_lseg_common(lseg);
pnfs_put_lseg_common(lseg);
list_add(&lseg->pls_list, &free_me);
spin_unlock(&inode->i_lock);
pnfs_free_lseg_list(&free_me);
}
}
EXPORT_SYMBOL_GPL(put_lseg);
EXPORT_SYMBOL_GPL(pnfs_put_lseg);
static inline u64
end_offset(u64 start, u64 len)
@ -378,7 +378,7 @@ static int mark_lseg_invalid(struct pnfs_layout_segment *lseg,
dprintk("%s: lseg %p ref %d\n", __func__, lseg,
atomic_read(&lseg->pls_refcount));
if (atomic_dec_and_test(&lseg->pls_refcount)) {
put_lseg_common(lseg);
pnfs_put_lseg_common(lseg);
list_add(&lseg->pls_list, tmp_list);
rv = 1;
}
@ -914,7 +914,7 @@ pnfs_find_lseg(struct pnfs_layout_hdr *lo,
list_for_each_entry(lseg, &lo->plh_segs, pls_list) {
if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags) &&
is_matching_lseg(&lseg->pls_range, range)) {
ret = get_lseg(lseg);
ret = pnfs_get_lseg(lseg);
break;
}
if (lseg->pls_range.offset > range->offset)
@ -1135,7 +1135,7 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
}
init_lseg(lo, lseg);
lseg->pls_range = res->range;
get_lseg(lseg);
pnfs_get_lseg(lseg);
pnfs_insert_layout(lo, lseg);
if (res->return_on_close) {
@ -1369,12 +1369,12 @@ pnfs_do_multiple_writes(struct nfs_pageio_descriptor *desc, struct list_head *he
if (trypnfs == PNFS_NOT_ATTEMPTED)
pnfs_write_through_mds(desc, data);
}
put_lseg(lseg);
pnfs_put_lseg(lseg);
}
static void pnfs_writehdr_free(struct nfs_pgio_header *hdr)
{
put_lseg(hdr->lseg);
pnfs_put_lseg(hdr->lseg);
nfs_writehdr_free(hdr);
}
EXPORT_SYMBOL_GPL(pnfs_writehdr_free);
@ -1389,17 +1389,17 @@ pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
whdr = nfs_writehdr_alloc();
if (!whdr) {
desc->pg_completion_ops->error_cleanup(&desc->pg_list);
put_lseg(desc->pg_lseg);
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
return -ENOMEM;
}
hdr = &whdr->header;
nfs_pgheader_init(desc, hdr, pnfs_writehdr_free);
hdr->lseg = get_lseg(desc->pg_lseg);
hdr->lseg = pnfs_get_lseg(desc->pg_lseg);
atomic_inc(&hdr->refcnt);
ret = nfs_generic_flush(desc, hdr);
if (ret != 0) {
put_lseg(desc->pg_lseg);
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
} else
pnfs_do_multiple_writes(desc, &hdr->rpc_list, desc->pg_ioflags);
@ -1524,12 +1524,12 @@ pnfs_do_multiple_reads(struct nfs_pageio_descriptor *desc, struct list_head *hea
if (trypnfs == PNFS_NOT_ATTEMPTED)
pnfs_read_through_mds(desc, data);
}
put_lseg(lseg);
pnfs_put_lseg(lseg);
}
static void pnfs_readhdr_free(struct nfs_pgio_header *hdr)
{
put_lseg(hdr->lseg);
pnfs_put_lseg(hdr->lseg);
nfs_readhdr_free(hdr);
}
EXPORT_SYMBOL_GPL(pnfs_readhdr_free);
@ -1545,17 +1545,17 @@ pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc)
if (!rhdr) {
desc->pg_completion_ops->error_cleanup(&desc->pg_list);
ret = -ENOMEM;
put_lseg(desc->pg_lseg);
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
return ret;
}
hdr = &rhdr->header;
nfs_pgheader_init(desc, hdr, pnfs_readhdr_free);
hdr->lseg = get_lseg(desc->pg_lseg);
hdr->lseg = pnfs_get_lseg(desc->pg_lseg);
atomic_inc(&hdr->refcnt);
ret = nfs_generic_pagein(desc, hdr);
if (ret != 0) {
put_lseg(desc->pg_lseg);
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
} else
pnfs_do_multiple_reads(desc, &hdr->rpc_list);
@ -1608,7 +1608,7 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata)
}
if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &hdr->lseg->pls_flags)) {
/* references matched in nfs4_layoutcommit_release */
get_lseg(hdr->lseg);
pnfs_get_lseg(hdr->lseg);
}
if (end_pos > nfsi->layout->plh_lwb)
nfsi->layout->plh_lwb = end_pos;

8
fs/nfs/pnfs.h
View File

@ -177,7 +177,7 @@ extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp);
/* pnfs.c */
void pnfs_get_layout_hdr(struct pnfs_layout_hdr *lo);
void put_lseg(struct pnfs_layout_segment *lseg);
void pnfs_put_lseg(struct pnfs_layout_segment *lseg);
void pnfs_pageio_init_read(struct nfs_pageio_descriptor *, struct inode *,
const struct nfs_pgio_completion_ops *);
@ -281,7 +281,7 @@ static inline int lo_fail_bit(u32 iomode)
}
static inline struct pnfs_layout_segment *
get_lseg(struct pnfs_layout_segment *lseg)
pnfs_get_lseg(struct pnfs_layout_segment *lseg)
{
if (lseg) {
atomic_inc(&lseg->pls_refcount);
@ -406,12 +406,12 @@ static inline void pnfs_destroy_layout(struct nfs_inode *nfsi)
}
static inline struct pnfs_layout_segment *
get_lseg(struct pnfs_layout_segment *lseg)
pnfs_get_lseg(struct pnfs_layout_segment *lseg)
{
return NULL;
}
static inline void put_lseg(struct pnfs_layout_segment *lseg)
static inline void pnfs_put_lseg(struct pnfs_layout_segment *lseg)
{
}