diff options
Diffstat (limited to 'fs/bcachefs/fs-io.c')
| -rw-r--r-- | fs/bcachefs/fs-io.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c index c0995723ddd2..0290f7410a5c 100644 --- a/fs/bcachefs/fs-io.c +++ b/fs/bcachefs/fs-io.c @@ -27,6 +27,7 @@ #include <linux/migrate.h> #include <linux/mmu_context.h> #include <linux/pagevec.h> +#include <linux/rmap.h> #include <linux/sched/signal.h> #include <linux/task_io_accounting_ops.h> #include <linux/uio.h> @@ -2160,6 +2161,12 @@ static int __bch2_truncate_page(struct bch_inode_info *inode, ret = bch2_get_page_disk_reservation(c, inode, page, false); BUG_ON(ret); + /* + * This removes any writeable userspace mappings; we need to force + * .page_mkwrite to be called again before any mmapped writes, to + * redirty the full page: + */ + page_mkclean(page); filemap_dirty_folio(mapping, page_folio(page)); unlock: unlock_page(page); |