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-rw-r--r--fs/nfs/internal.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 212b8c8..9e6475b 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -459,6 +459,7 @@ void nfs_mark_request_commit(struct nfs_page *req,
struct nfs_commit_info *cinfo,
u32 ds_commit_idx);
int nfs_write_need_commit(struct nfs_pgio_header *);
+void nfs_writeback_update_inode(struct nfs_pgio_header *hdr);
int nfs_generic_commit_list(struct inode *inode, struct list_head *head,
int how, struct nfs_commit_info *cinfo);
void nfs_retry_commit(struct list_head *page_list,
@@ -598,6 +599,19 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize)
}
/*
+ * Record the page as unstable and mark its inode as dirty.
+ */
+static inline
+void nfs_mark_page_unstable(struct page *page)
+{
+ struct inode *inode = page_file_mapping(page)->host;
+
+ inc_zone_page_state(page, NR_UNSTABLE_NFS);
+ inc_bdi_stat(inode_to_bdi(inode), BDI_RECLAIMABLE);
+ __mark_inode_dirty(inode, I_DIRTY_DATASYNC);
+}
+
+/*
* Determine the number of bytes of data the page contains
*/
static inline
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