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NFSv4.1: pull error handling out of nfs_commit_list

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Create a separate support function for later use by data server
commit code.

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Fred Isaman 2011-03-23 13:27:47 +00:00 committed by Trond Myklebust
parent 5f452431e2
commit 64bfeb49bd
1 changed files with 16 additions and 10 deletions
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26
fs/nfs/write.c
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@ -1357,6 +1357,21 @@ 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)
{
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);
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
BDI_RECLAIMABLE);
nfs_clear_page_tag_locked(req);
}
}
/*
* Commit dirty pages
*/
@ -1364,7 +1379,6 @@ static int
nfs_commit_list(struct inode *inode, struct list_head *head, int how)
{
struct nfs_write_data *data;
struct nfs_page *req;
data = nfs_commitdata_alloc();
@ -1375,15 +1389,7 @@ 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:
while (!list_empty(head)) {
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_mark_request_commit(req);
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
BDI_RECLAIMABLE);
nfs_clear_page_tag_locked(req);
}
nfs_retry_commit(head);
nfs_commit_clear_lock(NFS_I(inode));
return -ENOMEM;
}