Let's check mmap writes onto the large folio, since we don't support writing large folios.
Reviewed-by: Daeho Jeong <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]> --- - log v2: : add comments fs/f2fs/file.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 2c4880f24b54..c0220cd7b332 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -82,7 +82,12 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf) int err = 0; vm_fault_t ret; - if (unlikely(IS_IMMUTABLE(inode))) + /* + * We only support large folio on the read case. + * Don't make any dirty pages. + */ + if (unlikely(IS_IMMUTABLE(inode)) || + mapping_large_folio_support(inode->i_mapping)) return VM_FAULT_SIGBUS; if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) { -- 2.53.0.1213.gd9a14994de-goog _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
