Re: [PATCH v5 03/13] mm/shmem: Support memfile_notifier
From: Kirill A. Shutemov <hidden>
Date: 2022-04-11 15:26:05
Also in:
kvm, linux-fsdevel, linux-mm, lkml, qemu-devel
On Thu, Mar 10, 2022 at 10:09:01PM +0800, Chao Peng wrote:
quoted hunk ↗ jump to hunk
diff --git a/mm/shmem.c b/mm/shmem.c index 9b31a7056009..7b43e274c9a2 100644 --- a/mm/shmem.c +++ b/mm/shmem.c@@ -903,6 +903,28 @@ static struct folio *shmem_get_partial_folio(struct inode *inode, pgoff_t index) return page ? page_folio(page) : NULL; } +static void notify_fallocate(struct inode *inode, pgoff_t start, pgoff_t end) +{ +#ifdef CONFIG_MEMFILE_NOTIFIER + struct shmem_inode_info *info = SHMEM_I(inode); + + memfile_notifier_fallocate(&info->memfile_notifiers, start, end); +#endif
All these #ifdefs look ugly. Could you provide dummy memfile_* for !MEMFILE_NOTIFIER case? -- Kirill A. Shutemov