diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/inode.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index cb1c1ab2720..12d3fbcff59 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2880,8 +2880,6 @@ static void ext4_invalidatepage_free_endio(struct page *page, unsigned long offs static void ext4_invalidatepage(struct page *page, unsigned long offset) { - journal_t *journal = EXT4_JOURNAL(page->mapping->host); - trace_ext4_invalidatepage(page, offset); /* @@ -2889,16 +2887,27 @@ static void ext4_invalidatepage(struct page *page, unsigned long offset) */ if (ext4_should_dioread_nolock(page->mapping->host)) ext4_invalidatepage_free_endio(page, offset); + + /* No journalling happens on data buffers when this function is used */ + WARN_ON(page_has_buffers(page) && buffer_jbd(page_buffers(page))); + + block_invalidatepage(page, offset); +} + +static void ext4_journalled_invalidatepage(struct page *page, + unsigned long offset) +{ + journal_t *journal = EXT4_JOURNAL(page->mapping->host); + + trace_ext4_journalled_invalidatepage(page, offset); + /* * If it's a full truncate we just forget about the pending dirtying */ if (offset == 0) ClearPageChecked(page); - if (journal) - jbd2_journal_invalidatepage(journal, page, offset); - else - block_invalidatepage(page, offset); + jbd2_journal_invalidatepage(journal, page, offset); } static int ext4_releasepage(struct page *page, gfp_t wait) @@ -3264,7 +3273,7 @@ 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_invalidatepage, + .invalidatepage = ext4_journalled_invalidatepage, .releasepage = ext4_releasepage, .direct_IO = ext4_direct_IO, .is_partially_uptodate = block_is_partially_uptodate, |