Nobody checks the folio error flag any more, so we can stop setting and clearing it. Also remove the documentation suggesting to not bother setting the error bit. Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> --- Documentation/filesystems/vfs.rst | 3 +-- mm/filemap.c | 8 -------- 2 files changed, 1 insertion(+), 10 deletions(-) diff --git a/Documentation/filesystems/vfs.rst b/Documentation/filesystems/vfs.rst index 6e903a903f8f..a6022ec59a2d 100644 --- a/Documentation/filesystems/vfs.rst +++ b/Documentation/filesystems/vfs.rst @@ -913,8 +913,7 @@ cache in your filesystem. The following members are defined: stop attempting I/O, it can simply return. The caller will remove the remaining pages from the address space, unlock them and decrement the page refcount. Set PageUptodate if the I/O - completes successfully. Setting PageError on any page will be - ignored; simply unlock the page if an I/O error occurs. + completes successfully. ``write_begin`` Called by the generic buffered write code to ask the filesystem diff --git a/mm/filemap.c b/mm/filemap.c index fc784259f278..f8d0cc980044 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -530,7 +530,6 @@ static void __filemap_fdatawait_range(struct address_space *mapping, struct folio *folio = fbatch.folios[i]; folio_wait_writeback(folio); - folio_clear_error(folio); } folio_batch_release(&fbatch); cond_resched(); @@ -2342,13 +2341,6 @@ static int filemap_read_folio(struct file *file, filler_t filler, unsigned long pflags; int error; - /* - * A previous I/O error may have been due to temporary failures, - * eg. multipath errors. PG_error will be set again if read_folio - * fails. - */ - folio_clear_error(folio); - /* Start the actual read. The read will unlock the page. */ if (unlikely(workingset)) psi_memstall_enter(&pflags); -- 2.43.0