diff options
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/file.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 1f429260a85f..10c1779af9c5 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1472,14 +1472,23 @@ static bool ubifs_release_folio(struct folio *folio, gfp_t unused_gfp_flags) struct inode *inode = folio->mapping->host; struct ubifs_info *c = inode->i_sb->s_fs_info; - /* - * An attempt to release a dirty page without budgeting for it - should - * not happen. - */ if (folio_test_writeback(folio)) return false; + + /* + * Page is private but not dirty, weird? There is one condition + * making it happened. ubifs_writepage skipped the page because + * page index beyonds isize (for example. truncated by other + * process named A), then the page is invalidated by fadvise64 + * syscall before being truncated by process A. + */ ubifs_assert(c, folio_test_private(folio)); - ubifs_assert(c, 0); + if (folio_test_checked(folio)) + release_new_page_budget(c); + else + release_existing_page_budget(c); + + atomic_long_dec(&c->dirty_pg_cnt); folio_detach_private(folio); folio_clear_checked(folio); return true; |