On 01/26, Christoph Hellwig wrote:
> Sleeping bio allocations do not fail, which means that injecting an error
> into sleeping bio allocations is a little silly.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Already merged tho.
Acked-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
> ---
> Documentation/filesystems/f2fs.rst | 1 -
> fs/f2fs/data.c | 29 ++++-------------------------
> fs/f2fs/f2fs.h | 1 -
> fs/f2fs/super.c | 1 -
> 4 files changed, 4 insertions(+), 28 deletions(-)
>
> diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
> index dae15c96e659e2..624f5f3ed93e86 100644
> --- a/Documentation/filesystems/f2fs.rst
> +++ b/Documentation/filesystems/f2fs.rst
> @@ -179,7 +179,6 @@ fault_type=%d Support configuring fault injection type, should be
> FAULT_KVMALLOC 0x000000002
> FAULT_PAGE_ALLOC 0x000000004
> FAULT_PAGE_GET 0x000000008
> - FAULT_ALLOC_BIO 0x000000010
> FAULT_ALLOC_NID 0x000000020
> FAULT_ORPHAN 0x000000040
> FAULT_BLOCK 0x000000080
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 0cf0c605992431..9fb6be65592b1f 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -50,28 +50,6 @@ void f2fs_destroy_bioset(void)
> bioset_exit(&f2fs_bioset);
> }
>
> -static inline struct bio *__f2fs_bio_alloc(gfp_t gfp_mask,
> - unsigned int nr_iovecs)
> -{
> - return bio_alloc_bioset(gfp_mask, nr_iovecs, &f2fs_bioset);
> -}
> -
> -static struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages,
> - bool noio)
> -{
> - if (noio) {
> - /* No failure on bio allocation */
> - return __f2fs_bio_alloc(GFP_NOIO, npages);
> - }
> -
> - if (time_to_inject(sbi, FAULT_ALLOC_BIO)) {
> - f2fs_show_injection_info(sbi, FAULT_ALLOC_BIO);
> - return NULL;
> - }
> -
> - return __f2fs_bio_alloc(GFP_KERNEL, npages);
> -}
> -
> static bool __is_cp_guaranteed(struct page *page)
> {
> struct address_space *mapping = page->mapping;
> @@ -433,7 +411,7 @@ static struct bio *__bio_alloc(struct f2fs_io_info *fio, int npages)
> struct f2fs_sb_info *sbi = fio->sbi;
> struct bio *bio;
>
> - bio = f2fs_bio_alloc(sbi, npages, true);
> + bio = bio_alloc_bioset(GFP_NOIO, npages, &f2fs_bioset);
>
> f2fs_target_device(sbi, fio->new_blkaddr, bio);
> if (is_read_io(fio->op)) {
> @@ -1029,8 +1007,9 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
> struct bio_post_read_ctx *ctx;
> unsigned int post_read_steps = 0;
>
> - bio = f2fs_bio_alloc(sbi, min_t(int, nr_pages, BIO_MAX_PAGES),
> - for_write);
> + bio = bio_alloc_bioset(for_write ? GFP_NOIO : GFP_KERNEL,
> + min_t(int, nr_pages, BIO_MAX_PAGES),
> + &f2fs_bioset);
> if (!bio)
> return ERR_PTR(-ENOMEM);
>
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 902bd3267c03e1..6c78365d80ceb5 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -43,7 +43,6 @@ enum {
> FAULT_KVMALLOC,
> FAULT_PAGE_ALLOC,
> FAULT_PAGE_GET,
> - FAULT_ALLOC_BIO,
> FAULT_ALLOC_NID,
> FAULT_ORPHAN,
> FAULT_BLOCK,
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index b4a07fe62d1a58..3a312642907e86 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -45,7 +45,6 @@ const char *f2fs_fault_name[FAULT_MAX] = {
> [FAULT_KVMALLOC] = "kvmalloc",
> [FAULT_PAGE_ALLOC] = "page alloc",
> [FAULT_PAGE_GET] = "page get",
> - [FAULT_ALLOC_BIO] = "alloc bio",
> [FAULT_ALLOC_NID] = "alloc nid",
> [FAULT_ORPHAN] = "orphan",
> [FAULT_BLOCK] = "no more block",
> --
> 2.29.2
