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authorLinus Torvalds <torvalds@linux-foundation.org>2022-05-24 19:55:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-05-24 19:55:07 -0700
commitfdaf9a5840acaab18694a19e0eb0aa51162eeeed (patch)
treea027770138bccf9114cc83bafaa57accc13c91a6 /fs/jfs
parent8642174b52214dde4d8113f28fb4c9be5a432126 (diff)
parent516edb456f121e819d2130571004ed82f9566c4d (diff)
downloadlinux-fdaf9a5840acaab18694a19e0eb0aa51162eeeed.tar.bz2
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/jfs')
-rw-r--r--fs/jfs/inode.c11
-rw-r--r--fs/jfs/jfs_metapage.c21
2 files changed, 16 insertions, 16 deletions
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index d1943a7b4b04..a5dd7e53754a 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -293,9 +293,9 @@ static int jfs_writepages(struct address_space *mapping,
return mpage_writepages(mapping, wbc, jfs_get_block);
}
-static int jfs_readpage(struct file *file, struct page *page)
+static int jfs_read_folio(struct file *file, struct folio *folio)
{
- return mpage_readpage(page, jfs_get_block);
+ return mpage_read_folio(folio, jfs_get_block);
}
static void jfs_readahead(struct readahead_control *rac)
@@ -314,13 +314,12 @@ static void jfs_write_failed(struct address_space *mapping, loff_t to)
}
static int jfs_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)
{
int ret;
- ret = nobh_write_begin(mapping, pos, len, flags, pagep, fsdata,
- jfs_get_block);
+ ret = nobh_write_begin(mapping, pos, len, pagep, fsdata, jfs_get_block);
if (unlikely(ret))
jfs_write_failed(mapping, pos + len);
@@ -360,7 +359,7 @@ static ssize_t jfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
const struct address_space_operations jfs_aops = {
.dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio,
- .readpage = jfs_readpage,
+ .read_folio = jfs_read_folio,
.readahead = jfs_readahead,
.writepage = jfs_writepage,
.writepages = jfs_writepages,
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index c4220ccdedef..387652ae14c2 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -467,8 +467,9 @@ err_out:
return -EIO;
}
-static int metapage_readpage(struct file *fp, struct page *page)
+static int metapage_read_folio(struct file *fp, struct folio *folio)
{
+ struct page *page = &folio->page;
struct inode *inode = page->mapping->host;
struct bio *bio = NULL;
int block_offset;
@@ -523,29 +524,29 @@ add_failed:
return -EIO;
}
-static int metapage_releasepage(struct page *page, gfp_t gfp_mask)
+static bool metapage_release_folio(struct folio *folio, gfp_t gfp_mask)
{
struct metapage *mp;
- int ret = 1;
+ bool ret = true;
int offset;
for (offset = 0; offset < PAGE_SIZE; offset += PSIZE) {
- mp = page_to_mp(page, offset);
+ mp = page_to_mp(&folio->page, offset);
if (!mp)
continue;
- jfs_info("metapage_releasepage: mp = 0x%p", mp);
+ jfs_info("metapage_release_folio: mp = 0x%p", mp);
if (mp->count || mp->nohomeok ||
test_bit(META_dirty, &mp->flag)) {
jfs_info("count = %ld, nohomeok = %d", mp->count,
mp->nohomeok);
- ret = 0;
+ ret = false;
continue;
}
if (mp->lsn)
remove_from_logsync(mp);
- remove_metapage(page, mp);
+ remove_metapage(&folio->page, mp);
INCREMENT(mpStat.pagefree);
free_metapage(mp);
}
@@ -559,13 +560,13 @@ static void metapage_invalidate_folio(struct folio *folio, size_t offset,
BUG_ON(folio_test_writeback(folio));
- metapage_releasepage(&folio->page, 0);
+ metapage_release_folio(folio, 0);
}
const struct address_space_operations jfs_metapage_aops = {
- .readpage = metapage_readpage,
+ .read_folio = metapage_read_folio,
.writepage = metapage_writepage,
- .releasepage = metapage_releasepage,
+ .release_folio = metapage_release_folio,
.invalidate_folio = metapage_invalidate_folio,
.dirty_folio = filemap_dirty_folio,
};