netfs: Provide a launder_folio implementation

[linux-2.6-microblaze.git] / include / linux / netfs.h

diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 86bb8cb..29c66ac 100644 (file)
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -227,6 +227,7 @@ enum netfs_io_origin {
        NETFS_READPAGE,                 /* This read is a synchronous read */
        NETFS_READ_FOR_WRITE,           /* This read is to prepare a write */
        NETFS_WRITEBACK,                /* This write was triggered by writepages */
+       NETFS_LAUNDER_WRITE,            /* This is triggered by ->launder_folio() */
        NETFS_UNBUFFERED_WRITE,         /* This is an unbuffered write */
        NETFS_DIO_READ,                 /* This is a direct I/O read */
        NETFS_DIO_WRITE,                /* This is a direct I/O write */
@@ -404,6 +405,7 @@ int netfs_unpin_writeback(struct inode *inode, struct writeback_control *wbc);
 void netfs_clear_inode_writeback(struct inode *inode, const void *aux);
 void netfs_invalidate_folio(struct folio *folio, size_t offset, size_t length);
 bool netfs_release_folio(struct folio *folio, gfp_t gfp);
+int netfs_launder_folio(struct folio *folio);
 
 /* VMA operations API. */
 vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_group);