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authorLinus Torvalds <torvalds@linux-foundation.org>2022-05-25 05:55:07 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-05-25 05:55:07 +0300
commitfdaf9a5840acaab18694a19e0eb0aa51162eeeed (patch)
treea027770138bccf9114cc83bafaa57accc13c91a6 /fs/afs
parent8642174b52214dde4d8113f28fb4c9be5a432126 (diff)
parent516edb456f121e819d2130571004ed82f9566c4d (diff)
downloadlinux-fdaf9a5840acaab18694a19e0eb0aa51162eeeed.tar.xz
Merge tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache
Pull page cache updates from Matthew Wilcox: - Appoint myself page cache maintainer - Fix how scsicam uses the page cache - Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS - Remove the AOP flags entirely - Remove pagecache_write_begin() and pagecache_write_end() - Documentation updates - Convert several address_space operations to use folios: - is_dirty_writeback - readpage becomes read_folio - releasepage becomes release_folio - freepage becomes free_folio - Change filler_t to require a struct file pointer be the first argument like ->read_folio * tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache: (107 commits) nilfs2: Fix some kernel-doc comments Appoint myself page cache maintainer fs: Remove aops->freepage secretmem: Convert to free_folio nfs: Convert to free_folio orangefs: Convert to free_folio fs: Add free_folio address space operation fs: Convert drop_buffers() to use a folio fs: Change try_to_free_buffers() to take a folio jbd2: Convert release_buffer_page() to use a folio jbd2: Convert jbd2_journal_try_to_free_buffers to take a folio reiserfs: Convert release_buffer_page() to use a folio fs: Remove last vestiges of releasepage ubifs: Convert to release_folio reiserfs: Convert to release_folio orangefs: Convert to release_folio ocfs2: Convert to release_folio nilfs2: Remove comment about releasepage nfs: Convert to release_folio jfs: Convert to release_folio ...
Diffstat (limited to 'fs/afs')
-rw-r--r--fs/afs/dir.c7
-rw-r--r--fs/afs/file.c28
-rw-r--r--fs/afs/internal.h4
-rw-r--r--fs/afs/write.c4
4 files changed, 20 insertions, 23 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 932e61e28e5d..94aa7356248e 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -41,7 +41,7 @@ static int afs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
struct dentry *old_dentry, struct inode *new_dir,
struct dentry *new_dentry, unsigned int flags);
-static int afs_dir_releasepage(struct page *page, gfp_t gfp_flags);
+static bool afs_dir_release_folio(struct folio *folio, gfp_t gfp_flags);
static void afs_dir_invalidate_folio(struct folio *folio, size_t offset,
size_t length);
@@ -75,7 +75,7 @@ const struct inode_operations afs_dir_inode_operations = {
const struct address_space_operations afs_dir_aops = {
.dirty_folio = afs_dir_dirty_folio,
- .releasepage = afs_dir_releasepage,
+ .release_folio = afs_dir_release_folio,
.invalidate_folio = afs_dir_invalidate_folio,
};
@@ -2002,9 +2002,8 @@ error:
* Release a directory folio and clean up its private state if it's not busy
* - return true if the folio can now be released, false if not
*/
-static int afs_dir_releasepage(struct page *subpage, gfp_t gfp_flags)
+static bool afs_dir_release_folio(struct folio *folio, gfp_t gfp_flags)
{
- struct folio *folio = page_folio(subpage);
struct afs_vnode *dvnode = AFS_FS_I(folio_inode(folio));
_enter("{{%llx:%llu}[%lu]}", dvnode->fid.vid, dvnode->fid.vnode, folio_index(folio));
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 26292a110a8f..a8e8832179e4 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -19,10 +19,10 @@
#include "internal.h"
static int afs_file_mmap(struct file *file, struct vm_area_struct *vma);
-static int afs_symlink_readpage(struct file *file, struct page *page);
+static int afs_symlink_read_folio(struct file *file, struct folio *folio);
static void afs_invalidate_folio(struct folio *folio, size_t offset,
size_t length);
-static int afs_releasepage(struct page *page, gfp_t gfp_flags);
+static bool afs_release_folio(struct folio *folio, gfp_t gfp_flags);
static ssize_t afs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter);
static void afs_vm_open(struct vm_area_struct *area);
@@ -50,11 +50,11 @@ const struct inode_operations afs_file_inode_operations = {
};
const struct address_space_operations afs_file_aops = {
- .readpage = netfs_readpage,
+ .read_folio = netfs_read_folio,
.readahead = netfs_readahead,
.dirty_folio = afs_dirty_folio,
.launder_folio = afs_launder_folio,
- .releasepage = afs_releasepage,
+ .release_folio = afs_release_folio,
.invalidate_folio = afs_invalidate_folio,
.write_begin = afs_write_begin,
.write_end = afs_write_end,
@@ -63,8 +63,8 @@ const struct address_space_operations afs_file_aops = {
};
const struct address_space_operations afs_symlink_aops = {
- .readpage = afs_symlink_readpage,
- .releasepage = afs_releasepage,
+ .read_folio = afs_symlink_read_folio,
+ .release_folio = afs_release_folio,
.invalidate_folio = afs_invalidate_folio,
};
@@ -332,11 +332,10 @@ static void afs_issue_read(struct netfs_io_subrequest *subreq)
afs_put_read(fsreq);
}
-static int afs_symlink_readpage(struct file *file, struct page *page)
+static int afs_symlink_read_folio(struct file *file, struct folio *folio)
{
- struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);
+ struct afs_vnode *vnode = AFS_FS_I(folio->mapping->host);
struct afs_read *fsreq;
- struct folio *folio = page_folio(page);
int ret;
fsreq = afs_alloc_read(GFP_NOFS);
@@ -347,13 +346,13 @@ static int afs_symlink_readpage(struct file *file, struct page *page)
fsreq->len = folio_size(folio);
fsreq->vnode = vnode;
fsreq->iter = &fsreq->def_iter;
- iov_iter_xarray(&fsreq->def_iter, READ, &page->mapping->i_pages,
+ iov_iter_xarray(&fsreq->def_iter, READ, &folio->mapping->i_pages,
fsreq->pos, fsreq->len);
ret = afs_fetch_data(fsreq->vnode, fsreq);
if (ret == 0)
- SetPageUptodate(page);
- unlock_page(page);
+ folio_mark_uptodate(folio);
+ folio_unlock(folio);
return ret;
}
@@ -482,16 +481,15 @@ static void afs_invalidate_folio(struct folio *folio, size_t offset,
* release a page and clean up its private state if it's not busy
* - return true if the page can now be released, false if not
*/
-static int afs_releasepage(struct page *page, gfp_t gfp)
+static bool afs_release_folio(struct folio *folio, gfp_t gfp)
{
- struct folio *folio = page_folio(page);
struct afs_vnode *vnode = AFS_FS_I(folio_inode(folio));
_enter("{{%llx:%llu}[%lu],%lx},%x",
vnode->fid.vid, vnode->fid.vnode, folio_index(folio), folio->flags,
gfp);
- /* deny if page is being written to the cache and the caller hasn't
+ /* deny if folio is being written to the cache and the caller hasn't
* elected to wait */
#ifdef CONFIG_AFS_FSCACHE
if (folio_test_fscache(folio)) {
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 7b7ef945dc78..a30995901266 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -311,7 +311,7 @@ struct afs_net {
atomic_t n_lookup; /* Number of lookups done */
atomic_t n_reval; /* Number of dentries needing revalidation */
atomic_t n_inval; /* Number of invalidations by the server */
- atomic_t n_relpg; /* Number of invalidations by releasepage */
+ atomic_t n_relpg; /* Number of invalidations by release_folio */
atomic_t n_read_dir; /* Number of directory pages read */
atomic_t n_dir_cr; /* Number of directory entry creation edits */
atomic_t n_dir_rm; /* Number of directory entry removal edits */
@@ -1535,7 +1535,7 @@ bool afs_dirty_folio(struct address_space *, struct folio *);
#define afs_dirty_folio filemap_dirty_folio
#endif
extern int afs_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
+ loff_t pos, unsigned len,
struct page **pagep, void **fsdata);
extern int afs_write_end(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 4763132ca57e..5224e346fbad 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -42,7 +42,7 @@ static void afs_folio_start_fscache(bool caching, struct folio *folio)
* prepare to perform part of a write to a page
*/
int afs_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
+ loff_t pos, unsigned len,
struct page **_page, void **fsdata)
{
struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
@@ -60,7 +60,7 @@ int afs_write_begin(struct file *file, struct address_space *mapping,
* file. We need to do this before we get a lock on the page in case
* there's more than one writer competing for the same cache block.
*/
- ret = netfs_write_begin(file, mapping, pos, len, flags, &folio, fsdata);
+ ret = netfs_write_begin(file, mapping, pos, len, &folio, fsdata);
if (ret < 0)
return ret;