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-rw-r--r--fs/nfs/write.c41
1 files changed, 26 insertions, 15 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f5f005e9db48..6927a18b6891 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -441,7 +441,7 @@ nfs_mark_request_dirty(struct nfs_page *req)
* Add a request to the inode's commit list.
*/
static void
-nfs_mark_request_commit(struct nfs_page *req)
+nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg)
{
struct inode *inode = req->wb_context->path.dentry->d_inode;
struct nfs_inode *nfsi = NFS_I(inode);
@@ -453,6 +453,7 @@ nfs_mark_request_commit(struct nfs_page *req)
NFS_PAGE_TAG_COMMIT);
nfsi->ncommit++;
spin_unlock(&inode->i_lock);
+ pnfs_mark_request_commit(req, lseg);
inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
inc_bdi_stat(req->wb_page->mapping->backing_dev_info, BDI_RECLAIMABLE);
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
@@ -481,10 +482,11 @@ int nfs_write_need_commit(struct nfs_write_data *data)
}
static inline
-int nfs_reschedule_unstable_write(struct nfs_page *req)
+int nfs_reschedule_unstable_write(struct nfs_page *req,
+ struct nfs_write_data *data)
{
if (test_and_clear_bit(PG_NEED_COMMIT, &req->wb_flags)) {
- nfs_mark_request_commit(req);
+ nfs_mark_request_commit(req, data->lseg);
return 1;
}
if (test_and_clear_bit(PG_NEED_RESCHED, &req->wb_flags)) {
@@ -495,7 +497,7 @@ int nfs_reschedule_unstable_write(struct nfs_page *req)
}
#else
static inline void
-nfs_mark_request_commit(struct nfs_page *req)
+nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg)
{
}
@@ -512,7 +514,8 @@ int nfs_write_need_commit(struct nfs_write_data *data)
}
static inline
-int nfs_reschedule_unstable_write(struct nfs_page *req)
+int nfs_reschedule_unstable_write(struct nfs_page *req,
+ struct nfs_write_data *data)
{
return 0;
}
@@ -615,9 +618,11 @@ static struct nfs_page *nfs_try_to_update_request(struct inode *inode,
}
if (nfs_clear_request_commit(req) &&
- radix_tree_tag_clear(&NFS_I(inode)->nfs_page_tree,
- req->wb_index, NFS_PAGE_TAG_COMMIT) != NULL)
+ radix_tree_tag_clear(&NFS_I(inode)->nfs_page_tree,
+ req->wb_index, NFS_PAGE_TAG_COMMIT) != NULL) {
NFS_I(inode)->ncommit--;
+ pnfs_clear_request_commit(req);
+ }
/* Okay, the request matches. Update the region */
if (offset < req->wb_offset) {
@@ -765,11 +770,12 @@ int nfs_updatepage(struct file *file, struct page *page,
return status;
}
-static void nfs_writepage_release(struct nfs_page *req)
+static void nfs_writepage_release(struct nfs_page *req,
+ struct nfs_write_data *data)
{
struct page *page = req->wb_page;
- if (PageError(req->wb_page) || !nfs_reschedule_unstable_write(req))
+ if (PageError(req->wb_page) || !nfs_reschedule_unstable_write(req, data))
nfs_inode_remove_request(req);
nfs_clear_page_tag_locked(req);
nfs_end_page_writeback(page);
@@ -1087,7 +1093,7 @@ static void nfs_writeback_release_partial(void *calldata)
out:
if (atomic_dec_and_test(&req->wb_complete))
- nfs_writepage_release(req);
+ nfs_writepage_release(req, data);
nfs_writedata_release(calldata);
}
@@ -1154,7 +1160,7 @@ static void nfs_writeback_release_full(void *calldata)
if (nfs_write_need_commit(data)) {
memcpy(&req->wb_verf, &data->verf, sizeof(req->wb_verf));
- nfs_mark_request_commit(req);
+ nfs_mark_request_commit(req, data->lseg);
dprintk(" marked for commit\n");
goto next;
}
@@ -1357,14 +1363,15 @@ static void nfs_init_commit(struct nfs_write_data *data,
nfs_fattr_init(&data->fattr);
}
-static void nfs_retry_commit(struct list_head *page_list)
+static void nfs_retry_commit(struct list_head *page_list,
+ struct pnfs_layout_segment *lseg)
{
struct nfs_page *req;
while (!list_empty(page_list)) {
req = nfs_list_entry(page_list->next);
nfs_list_remove_request(req);
- nfs_mark_request_commit(req);
+ nfs_mark_request_commit(req, lseg);
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
BDI_RECLAIMABLE);
@@ -1389,7 +1396,7 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
nfs_init_commit(data, head);
return nfs_initiate_commit(data, NFS_CLIENT(inode), data->mds_ops, how);
out_bad:
- nfs_retry_commit(head);
+ nfs_retry_commit(head, NULL);
nfs_commit_clear_lock(NFS_I(inode));
return -ENOMEM;
}
@@ -1477,7 +1484,11 @@ int nfs_commit_inode(struct inode *inode, int how)
res = nfs_scan_commit(inode, &head, 0, 0);
spin_unlock(&inode->i_lock);
if (res) {
- int error = nfs_commit_list(inode, &head, how);
+ int error;
+
+ error = pnfs_commit_list(inode, &head, how);
+ if (error == PNFS_NOT_ATTEMPTED)
+ error = nfs_commit_list(inode, &head, how);
if (error < 0)
return error;
if (!may_wait)