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path: root/fs/nfs/pnfs_nfs.c
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Diffstat (limited to 'fs/nfs/pnfs_nfs.c')
-rw-r--r--fs/nfs/pnfs_nfs.c44
1 files changed, 10 insertions, 34 deletions
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 25f28fa64c57..60da59be83b6 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -83,34 +83,11 @@ pnfs_generic_clear_request_commit(struct nfs_page *req,
}
out:
nfs_request_remove_commit_list(req, cinfo);
- pnfs_put_lseg_locked(freeme);
+ pnfs_put_lseg(freeme);
}
EXPORT_SYMBOL_GPL(pnfs_generic_clear_request_commit);
static int
-pnfs_generic_transfer_commit_list(struct list_head *src, struct list_head *dst,
- struct nfs_commit_info *cinfo, int max)
-{
- struct nfs_page *req, *tmp;
- int ret = 0;
-
- list_for_each_entry_safe(req, tmp, src, wb_list) {
- if (!nfs_lock_request(req))
- continue;
- kref_get(&req->wb_kref);
- if (cond_resched_lock(&cinfo->inode->i_lock))
- list_safe_reset_next(req, tmp, wb_list);
- nfs_request_remove_commit_list(req, cinfo);
- clear_bit(PG_COMMIT_TO_DS, &req->wb_flags);
- nfs_list_add_request(req, dst);
- ret++;
- if ((ret == max) && !cinfo->dreq)
- break;
- }
- return ret;
-}
-
-static int
pnfs_generic_scan_ds_commit_list(struct pnfs_commit_bucket *bucket,
struct nfs_commit_info *cinfo,
int max)
@@ -119,15 +96,15 @@ pnfs_generic_scan_ds_commit_list(struct pnfs_commit_bucket *bucket,
struct list_head *dst = &bucket->committing;
int ret;
- lockdep_assert_held(&cinfo->inode->i_lock);
- ret = pnfs_generic_transfer_commit_list(src, dst, cinfo, max);
+ lockdep_assert_held(&NFS_I(cinfo->inode)->commit_mutex);
+ ret = nfs_scan_commit_list(src, dst, cinfo, max);
if (ret) {
cinfo->ds->nwritten -= ret;
cinfo->ds->ncommitting += ret;
if (bucket->clseg == NULL)
bucket->clseg = pnfs_get_lseg(bucket->wlseg);
if (list_empty(src)) {
- pnfs_put_lseg_locked(bucket->wlseg);
+ pnfs_put_lseg(bucket->wlseg);
bucket->wlseg = NULL;
}
}
@@ -142,7 +119,7 @@ int pnfs_generic_scan_commit_lists(struct nfs_commit_info *cinfo,
{
int i, rv = 0, cnt;
- lockdep_assert_held(&cinfo->inode->i_lock);
+ lockdep_assert_held(&NFS_I(cinfo->inode)->commit_mutex);
for (i = 0; i < cinfo->ds->nbuckets && max != 0; i++) {
cnt = pnfs_generic_scan_ds_commit_list(&cinfo->ds->buckets[i],
cinfo, max);
@@ -162,11 +139,10 @@ void pnfs_generic_recover_commit_reqs(struct list_head *dst,
int nwritten;
int i;
- lockdep_assert_held(&cinfo->inode->i_lock);
+ lockdep_assert_held(&NFS_I(cinfo->inode)->commit_mutex);
restart:
for (i = 0, b = cinfo->ds->buckets; i < cinfo->ds->nbuckets; i++, b++) {
- nwritten = pnfs_generic_transfer_commit_list(&b->written,
- dst, cinfo, 0);
+ nwritten = nfs_scan_commit_list(&b->written, dst, cinfo, 0);
if (!nwritten)
continue;
cinfo->ds->nwritten -= nwritten;
@@ -953,12 +929,12 @@ pnfs_layout_mark_request_commit(struct nfs_page *req,
struct list_head *list;
struct pnfs_commit_bucket *buckets;
- spin_lock(&cinfo->inode->i_lock);
+ mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);
buckets = cinfo->ds->buckets;
list = &buckets[ds_commit_idx].written;
if (list_empty(list)) {
if (!pnfs_is_valid_lseg(lseg)) {
- spin_unlock(&cinfo->inode->i_lock);
+ mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);
cinfo->completion_ops->resched_write(cinfo, req);
return;
}
@@ -975,7 +951,7 @@ pnfs_layout_mark_request_commit(struct nfs_page *req,
cinfo->ds->nwritten++;
nfs_request_add_commit_list_locked(req, list, cinfo);
- spin_unlock(&cinfo->inode->i_lock);
+ mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);
nfs_mark_page_unstable(req->wb_page, cinfo);
}
EXPORT_SYMBOL_GPL(pnfs_layout_mark_request_commit);