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Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r--fs/nfs/write.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index ee6932c9819e..0e6afe72f6ce 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -243,13 +243,24 @@ out:
/* A writeback failed: mark the page as bad, and invalidate the page cache */
static void nfs_set_pageerror(struct address_space *mapping)
{
+ struct inode *inode = mapping->host;
+
nfs_zap_mapping(mapping->host, mapping);
+ /* Force file size revalidation */
+ spin_lock(&inode->i_lock);
+ NFS_I(inode)->cache_validity |= NFS_INO_REVAL_FORCED |
+ NFS_INO_REVAL_PAGECACHE |
+ NFS_INO_INVALID_SIZE;
+ spin_unlock(&inode->i_lock);
}
static void nfs_mapping_set_error(struct page *page, int error)
{
+ struct address_space *mapping = page_file_mapping(page);
+
SetPageError(page);
- mapping_set_error(page_file_mapping(page), error);
+ mapping_set_error(mapping, error);
+ nfs_set_pageerror(mapping);
}
/*
@@ -433,6 +444,7 @@ nfs_destroy_unlinked_subrequests(struct nfs_page *destroy_list,
}
subreq->wb_head = subreq;
+ nfs_release_request(old_head);
if (test_and_clear_bit(PG_INODE_REF, &subreq->wb_flags)) {
nfs_release_request(subreq);
@@ -592,7 +604,6 @@ release_request:
static void nfs_write_error(struct nfs_page *req, int error)
{
- nfs_set_pageerror(page_file_mapping(req->wb_page));
nfs_mapping_set_error(req->wb_page, error);
nfs_inode_remove_request(req);
nfs_end_page_writeback(req);
@@ -789,7 +800,6 @@ static void nfs_inode_remove_request(struct nfs_page *req)
struct nfs_inode *nfsi = NFS_I(inode);
struct nfs_page *head;
- atomic_long_dec(&nfsi->nrequests);
if (nfs_page_group_sync_on_bit(req, PG_REMOVE)) {
head = req->wb_head;
@@ -802,8 +812,10 @@ static void nfs_inode_remove_request(struct nfs_page *req)
spin_unlock(&mapping->private_lock);
}
- if (test_and_clear_bit(PG_INODE_REF, &req->wb_flags))
+ if (test_and_clear_bit(PG_INODE_REF, &req->wb_flags)) {
nfs_release_request(req);
+ atomic_long_dec(&nfsi->nrequests);
+ }
}
static void
@@ -1000,7 +1012,6 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr)
nfs_list_remove_request(req);
if (test_bit(NFS_IOHDR_ERROR, &hdr->flags) &&
(hdr->good_bytes < bytes)) {
- nfs_set_pageerror(page_file_mapping(req->wb_page));
nfs_mapping_set_error(req->wb_page, hdr->error);
goto remove_req;
}
@@ -1831,6 +1842,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
static void nfs_commit_release_pages(struct nfs_commit_data *data)
{
+ const struct nfs_writeverf *verf = data->res.verf;
struct nfs_page *req;
int status = data->task.tk_status;
struct nfs_commit_info cinfo;
@@ -1858,7 +1870,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
/* Okay, COMMIT succeeded, apparently. Check the verifier
* returned by the server against all stored verfs. */
- if (!nfs_write_verifier_cmp(&req->wb_verf, &data->verf.verifier)) {
+ if (verf->committed > NFS_UNSTABLE &&
+ !nfs_write_verifier_cmp(&req->wb_verf, &verf->verifier)) {
/* We have a match */
if (req->wb_page)
nfs_inode_remove_request(req);