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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/erofs
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/erofs')
-rw-r--r--fs/erofs/data.c6
-rw-r--r--fs/erofs/fscache.c16
-rw-r--r--fs/erofs/super.c16
-rw-r--r--fs/erofs/zdata.c7
4 files changed, 22 insertions, 23 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 252f4ee977d5..fbb037ba326e 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -351,9 +351,9 @@ int erofs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
* since we dont have write or truncate flows, so no inode
* locking needs to be held at the moment.
*/
-static int erofs_readpage(struct file *file, struct page *page)
+static int erofs_read_folio(struct file *file, struct folio *folio)
{
- return iomap_readpage(page, &erofs_iomap_ops);
+ return iomap_read_folio(folio, &erofs_iomap_ops);
}
static void erofs_readahead(struct readahead_control *rac)
@@ -408,7 +408,7 @@ static ssize_t erofs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
/* for uncompressed (aligned) files and raw access for other files */
const struct address_space_operations erofs_raw_access_aops = {
- .readpage = erofs_readpage,
+ .read_folio = erofs_read_folio,
.readahead = erofs_readahead,
.bmap = erofs_bmap,
.direct_IO = noop_direct_IO,
diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index 7e4417167d0b..a5cc4ed2cd0d 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -205,10 +205,9 @@ out:
return ret;
}
-static int erofs_fscache_meta_readpage(struct file *data, struct page *page)
+static int erofs_fscache_meta_read_folio(struct file *data, struct folio *folio)
{
int ret;
- struct folio *folio = page_folio(page);
struct super_block *sb = folio_mapping(folio)->host->i_sb;
struct netfs_io_request *rreq;
struct erofs_map_dev mdev = {
@@ -232,7 +231,7 @@ out:
return ret;
}
-static int erofs_fscache_readpage_inline(struct folio *folio,
+static int erofs_fscache_read_folio_inline(struct folio *folio,
struct erofs_map_blocks *map)
{
struct super_block *sb = folio_mapping(folio)->host->i_sb;
@@ -259,9 +258,8 @@ static int erofs_fscache_readpage_inline(struct folio *folio,
return 0;
}
-static int erofs_fscache_readpage(struct file *file, struct page *page)
+static int erofs_fscache_read_folio(struct file *file, struct folio *folio)
{
- struct folio *folio = page_folio(page);
struct inode *inode = folio_mapping(folio)->host;
struct super_block *sb = inode->i_sb;
struct erofs_map_blocks map;
@@ -286,7 +284,7 @@ static int erofs_fscache_readpage(struct file *file, struct page *page)
}
if (map.m_flags & EROFS_MAP_META) {
- ret = erofs_fscache_readpage_inline(folio, &map);
+ ret = erofs_fscache_read_folio_inline(folio, &map);
goto out_uptodate;
}
@@ -376,7 +374,7 @@ static void erofs_fscache_readahead(struct readahead_control *rac)
if (map.m_flags & EROFS_MAP_META) {
struct folio *folio = readahead_folio(rac);
- ret = erofs_fscache_readpage_inline(folio, &map);
+ ret = erofs_fscache_read_folio_inline(folio, &map);
if (!ret) {
folio_mark_uptodate(folio);
ret = folio_size(folio);
@@ -410,11 +408,11 @@ static void erofs_fscache_readahead(struct readahead_control *rac)
}
static const struct address_space_operations erofs_fscache_meta_aops = {
- .readpage = erofs_fscache_meta_readpage,
+ .read_folio = erofs_fscache_meta_read_folio,
};
const struct address_space_operations erofs_fscache_access_aops = {
- .readpage = erofs_fscache_readpage,
+ .read_folio = erofs_fscache_read_folio,
.readahead = erofs_fscache_readahead,
};
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index c6f5fa4ab244..95addc5c9d34 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -578,16 +578,16 @@ static int erofs_fc_parse_param(struct fs_context *fc,
#ifdef CONFIG_EROFS_FS_ZIP
static const struct address_space_operations managed_cache_aops;
-static int erofs_managed_cache_releasepage(struct page *page, gfp_t gfp_mask)
+static bool erofs_managed_cache_release_folio(struct folio *folio, gfp_t gfp)
{
- int ret = 1; /* 0 - busy */
- struct address_space *const mapping = page->mapping;
+ bool ret = true;
+ struct address_space *const mapping = folio->mapping;
- DBG_BUGON(!PageLocked(page));
+ DBG_BUGON(!folio_test_locked(folio));
DBG_BUGON(mapping->a_ops != &managed_cache_aops);
- if (PagePrivate(page))
- ret = erofs_try_to_free_cached_page(page);
+ if (folio_test_private(folio))
+ ret = erofs_try_to_free_cached_page(&folio->page);
return ret;
}
@@ -608,12 +608,12 @@ static void erofs_managed_cache_invalidate_folio(struct folio *folio,
DBG_BUGON(stop > folio_size(folio) || stop < length);
if (offset == 0 && stop == folio_size(folio))
- while (!erofs_managed_cache_releasepage(&folio->page, GFP_NOFS))
+ while (!erofs_managed_cache_release_folio(folio, GFP_NOFS))
cond_resched();
}
static const struct address_space_operations managed_cache_aops = {
- .releasepage = erofs_managed_cache_releasepage,
+ .release_folio = erofs_managed_cache_release_folio,
.invalidate_folio = erofs_managed_cache_invalidate_folio,
};
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index e6dea6dfca16..95efc127b2ba 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -791,7 +791,7 @@ err_out:
static bool z_erofs_get_sync_decompress_policy(struct erofs_sb_info *sbi,
unsigned int readahead_pages)
{
- /* auto: enable for readpage, disable for readahead */
+ /* auto: enable for read_folio, disable for readahead */
if ((sbi->opt.sync_decompress == EROFS_SYNC_DECOMPRESS_AUTO) &&
!readahead_pages)
return true;
@@ -1488,8 +1488,9 @@ skip:
}
}
-static int z_erofs_readpage(struct file *file, struct page *page)
+static int z_erofs_read_folio(struct file *file, struct folio *folio)
{
+ struct page *page = &folio->page;
struct inode *const inode = page->mapping->host;
struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
@@ -1563,6 +1564,6 @@ static void z_erofs_readahead(struct readahead_control *rac)
}
const struct address_space_operations z_erofs_aops = {
- .readpage = z_erofs_readpage,
+ .read_folio = z_erofs_read_folio,
.readahead = z_erofs_readahead,
};