diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-06-28 19:36:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 10:53:48 -0700 |
| commit | 0af573780b0b13fceb7fabd49dc1b073cee9a507 (patch) | |
| tree | 54d4fea3fca5b5f4ac90f89b554f4c13a1f79a39 /fs/ecryptfs/mmap.c | |
| parent | c1e3dbe9818e3caa4e467255a348df56912ca549 (diff) | |
mm: require ->set_page_dirty to be explicitly wired up
Remove the CONFIG_BLOCK default to __set_page_dirty_buffers and just wire
that method up for the missing instances.
[hch@lst.de: ecryptfs: add a ->set_page_dirty cludge]
Link: https://lkml.kernel.org/r/20210624125250.536369-1-hch@lst.de
Link: https://lkml.kernel.org/r/20210614061512.3966143-4-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Tyler Hicks <code@tyhicks.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs/mmap.c')
| -rw-r--r-- | fs/ecryptfs/mmap.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 392e721b50a3..7d85e64ea62f 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -533,7 +533,20 @@ static sector_t ecryptfs_bmap(struct address_space *mapping, sector_t block) return block; } +#include <linux/buffer_head.h> + const struct address_space_operations ecryptfs_aops = { + /* + * XXX: This is pretty broken for multiple reasons: ecryptfs does not + * actually use buffer_heads, and ecryptfs will crash without + * CONFIG_BLOCK. But it matches the behavior before the default for + * address_space_operations without the ->set_page_dirty method was + * cleaned up, so this is the best we can do without maintainer + * feedback. + */ +#ifdef CONFIG_BLOCK + .set_page_dirty = __set_page_dirty_buffers, +#endif .writepage = ecryptfs_writepage, .readpage = ecryptfs_readpage, .write_begin = ecryptfs_write_begin, |