ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 12:43:29 +02:00
Code Issues Packages Projects Releases Wiki Activity

freevxfs: Convert vxfs_immed to read_folio

Browse Source 
This is a "weak" conversion which converts straight back to using pages.
A full conversion should be performed at some point, hopefully by
someone familiar with the filesystem.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2022-04-29 11:12:16 -04:00
parent be05584f06
commit 42d7a524e9
1 changed files with 8 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
fs/freevxfs/vxfs_immed.c
View File

@@ -38,33 +38,34 @@
#include "vxfs_inode.h" #include "vxfs_inode.h"
static int vxfs_immed_readpage(struct file *, struct page *); static int vxfs_immed_read_folio(struct file *, struct folio *);
/* /*
* Address space operations for immed files and directories. * Address space operations for immed files and directories.
*/ */
const struct address_space_operations vxfs_immed_aops = { const struct address_space_operations vxfs_immed_aops = {
.readpage = vxfs_immed_readpage, .read_folio = vxfs_immed_read_folio,
}; };
/** /**
* vxfs_immed_readpage - read part of an immed inode into pagecache * vxfs_immed_read_folio - read part of an immed inode into pagecache
* @file: file context (unused) * @file: file context (unused)
* @page: page frame to fill in. * @folio: folio to fill in.
* *
* Description: * Description:
* vxfs_immed_readpage reads a part of the immed area of the * vxfs_immed_read_folio reads a part of the immed area of the
* file that hosts @pp into the pagecache. * file that hosts @pp into the pagecache.
* *
* Returns: * Returns:
* Zero on success, else a negative error code. * Zero on success, else a negative error code.
* *
* Locking status: * Locking status:
* @page is locked and will be unlocked. * @folio is locked and will be unlocked.
*/ */
static int static int
vxfs_immed_readpage(struct file *fp, struct page *pp) vxfs_immed_read_folio(struct file *fp, struct folio *folio)
{ {
struct page *pp = &folio->page;
struct vxfs_inode_info *vip = VXFS_INO(pp->mapping->host); struct vxfs_inode_info *vip = VXFS_INO(pp->mapping->host);
u_int64_t offset = (u_int64_t)pp->index << PAGE_SHIFT; u_int64_t offset = (u_int64_t)pp->index << PAGE_SHIFT;
caddr_t kaddr; caddr_t kaddr;