summaryrefslogtreecommitdiff
path: root/fs/ext4
diff options
context:
space:
mode:
authorMatthew Wilcox (Oracle) <willy@infradead.org>2022-02-09 23:21:43 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-03-15 15:23:30 +0300
commitccd16945dba091fdf1036d7711b9f6cbd287ae28 (patch)
tree0b82a09387c75da64c87f7ab2fa8eefdb08b27e0 /fs/ext4
parent39653e69092f5f1e3297bdf8b8f3c451112d2a4f (diff)
downloadlinux-ccd16945dba091fdf1036d7711b9f6cbd287ae28.tar.xz
ext4: Convert invalidatepage to invalidate_folio
Extensive changes, but fairly mechanical. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs Tested-by: David Howells <dhowells@redhat.com> # afs
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/inode.c56
1 files changed, 27 insertions, 29 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index d7086209572a..678ba122f8b1 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -184,7 +184,7 @@ void ext4_evict_inode(struct inode *inode)
* journal. So although mm thinks everything is clean and
* ready for reaping the inode might still have some pages to
* write in the running transaction or waiting to be
- * checkpointed. Thus calling jbd2_journal_invalidatepage()
+ * checkpointed. Thus calling jbd2_journal_invalidate_folio()
* (via truncate_inode_pages()) to discard these buffers can
* cause data loss. Also even if we did not discard these
* buffers, we would have no way to find them after the inode
@@ -3186,7 +3186,7 @@ static void ext4_readahead(struct readahead_control *rac)
static void ext4_invalidate_folio(struct folio *folio, size_t offset,
size_t length)
{
- trace_ext4_invalidatepage(&folio->page, offset, length);
+ trace_ext4_invalidate_folio(folio, offset, length);
/* No journalling happens on data buffers when this function is used */
WARN_ON(folio_buffers(folio) && buffer_jbd(folio_buffers(folio)));
@@ -3194,29 +3194,28 @@ static void ext4_invalidate_folio(struct folio *folio, size_t offset,
block_invalidate_folio(folio, offset, length);
}
-static int __ext4_journalled_invalidatepage(struct page *page,
- unsigned int offset,
- unsigned int length)
+static int __ext4_journalled_invalidate_folio(struct folio *folio,
+ size_t offset, size_t length)
{
- journal_t *journal = EXT4_JOURNAL(page->mapping->host);
+ journal_t *journal = EXT4_JOURNAL(folio->mapping->host);
- trace_ext4_journalled_invalidatepage(page, offset, length);
+ trace_ext4_journalled_invalidate_folio(folio, offset, length);
/*
* If it's a full truncate we just forget about the pending dirtying
*/
- if (offset == 0 && length == PAGE_SIZE)
- ClearPageChecked(page);
+ if (offset == 0 && length == folio_size(folio))
+ folio_clear_checked(folio);
- return jbd2_journal_invalidatepage(journal, page, offset, length);
+ return jbd2_journal_invalidate_folio(journal, folio, offset, length);
}
/* Wrapper for aops... */
-static void ext4_journalled_invalidatepage(struct page *page,
- unsigned int offset,
- unsigned int length)
+static void ext4_journalled_invalidate_folio(struct folio *folio,
+ size_t offset,
+ size_t length)
{
- WARN_ON(__ext4_journalled_invalidatepage(page, offset, length) < 0);
+ WARN_ON(__ext4_journalled_invalidate_folio(folio, offset, length) < 0);
}
static int ext4_releasepage(struct page *page, gfp_t wait)
@@ -3601,7 +3600,7 @@ static const struct address_space_operations ext4_journalled_aops = {
.write_end = ext4_journalled_write_end,
.set_page_dirty = ext4_journalled_set_page_dirty,
.bmap = ext4_bmap,
- .invalidatepage = ext4_journalled_invalidatepage,
+ .invalidate_folio = ext4_journalled_invalidate_folio,
.releasepage = ext4_releasepage,
.direct_IO = noop_direct_IO,
.is_partially_uptodate = block_is_partially_uptodate,
@@ -5204,13 +5203,12 @@ int ext4_write_inode(struct inode *inode, struct writeback_control *wbc)
}
/*
- * In data=journal mode ext4_journalled_invalidatepage() may fail to invalidate
- * buffers that are attached to a page stradding i_size and are undergoing
+ * In data=journal mode ext4_journalled_invalidate_folio() may fail to invalidate
+ * buffers that are attached to a folio straddling i_size and are undergoing
* commit. In that case we have to wait for commit to finish and try again.
*/
static void ext4_wait_for_tail_page_commit(struct inode *inode)
{
- struct page *page;
unsigned offset;
journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
tid_t commit_tid = 0;
@@ -5218,25 +5216,25 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode)
offset = inode->i_size & (PAGE_SIZE - 1);
/*
- * If the page is fully truncated, we don't need to wait for any commit
- * (and we even should not as __ext4_journalled_invalidatepage() may
- * strip all buffers from the page but keep the page dirty which can then
- * confuse e.g. concurrent ext4_writepage() seeing dirty page without
+ * If the folio is fully truncated, we don't need to wait for any commit
+ * (and we even should not as __ext4_journalled_invalidate_folio() may
+ * strip all buffers from the folio but keep the folio dirty which can then
+ * confuse e.g. concurrent ext4_writepage() seeing dirty folio without
* buffers). Also we don't need to wait for any commit if all buffers in
- * the page remain valid. This is most beneficial for the common case of
+ * the folio remain valid. This is most beneficial for the common case of
* blocksize == PAGESIZE.
*/
if (!offset || offset > (PAGE_SIZE - i_blocksize(inode)))
return;
while (1) {
- page = find_lock_page(inode->i_mapping,
+ struct folio *folio = filemap_lock_folio(inode->i_mapping,
inode->i_size >> PAGE_SHIFT);
- if (!page)
+ if (!folio)
return;
- ret = __ext4_journalled_invalidatepage(page, offset,
- PAGE_SIZE - offset);
- unlock_page(page);
- put_page(page);
+ ret = __ext4_journalled_invalidate_folio(folio, offset,
+ folio_size(folio) - offset);
+ folio_unlock(folio);
+ folio_put(folio);
if (ret != -EBUSY)
return;
commit_tid = 0;