diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index d62150418b91..60a9cc593e9b 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2712,14 +2712,12 @@ int kiocb_write_and_wait(struct kiocb *iocb, size_t count) } EXPORT_SYMBOL_GPL(kiocb_write_and_wait); -int kiocb_invalidate_pages(struct kiocb *iocb, size_t count) +int filemap_invalidate_pages(struct address_space *mapping, + loff_t pos, loff_t end, bool nowait) { - struct address_space *mapping = iocb->ki_filp->f_mapping; - loff_t pos = iocb->ki_pos; - loff_t end = pos + count - 1; int ret; - if (iocb->ki_flags & IOCB_NOWAIT) { + if (nowait) { /* we could block if there are any pages in the range */ if (filemap_range_has_page(mapping, pos, end)) return -EAGAIN; @@ -2738,6 +2736,15 @@ int kiocb_invalidate_pages(struct kiocb *iocb, size_t count) return invalidate_inode_pages2_range(mapping, pos >> PAGE_SHIFT, end >> PAGE_SHIFT); } + +int kiocb_invalidate_pages(struct kiocb *iocb, size_t count) +{ + struct address_space *mapping = iocb->ki_filp->f_mapping; + + return filemap_invalidate_pages(mapping, iocb->ki_pos, + iocb->ki_pos + count - 1, + iocb->ki_flags & IOCB_NOWAIT); +} EXPORT_SYMBOL_GPL(kiocb_invalidate_pages); /** @@ -3987,7 +3994,6 @@ ssize_t generic_perform_write(struct kiocb *iocb, struct iov_iter *i) ssize_t written = 0; do { - struct page *page; struct folio *folio; size_t offset; /* Offset into folio */ size_t bytes; /* Bytes to write to folio */ @@ -4017,11 +4023,10 @@ retry: } status = a_ops->write_begin(file, mapping, pos, bytes, - &page, &fsdata); + &folio, &fsdata); if (unlikely(status < 0)) break; - folio = page_folio(page); offset = offset_in_folio(folio, pos); if (bytes > folio_size(folio) - offset) bytes = folio_size(folio) - offset; @@ -4033,7 +4038,7 @@ retry: flush_dcache_folio(folio); status = a_ops->write_end(file, mapping, pos, bytes, copied, - page, fsdata); + folio, fsdata); if (unlikely(status != copied)) { iov_iter_revert(i, copied - max(status, 0L)); if (unlikely(status < 0)) @@ -4231,7 +4236,7 @@ int filemap_invalidate_inode(struct inode *inode, bool flush, } /* Wait for writeback to complete on all folios and discard. */ - truncate_inode_pages_range(mapping, start, end); + invalidate_inode_pages2_range(mapping, start / PAGE_SIZE, end / PAGE_SIZE); unlock: filemap_invalidate_unlock(mapping); |