diff options
| author | Gao Xiang <gaoxiang25@huawei.com> | 2019-09-04 10:09:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-05 20:10:08 +0200 |
| commit | a5c0b7802cc9631e0dee67abd30c2f022621ae7c (patch) | |
| tree | 8d12f4baf75cde72c03cd3fceb73f1f09dd9ed4c /fs/erofs/internal.h | |
| parent | 688a5f2ed486914c28e17062139c07897307ee01 (diff) | |
| download | linux-a5c0b7802cc9631e0dee67abd30c2f022621ae7c.tar.bz2 | |
erofs: localize erofs_grab_bio()
As Christoph pointed out [1], "erofs_grab_bio tries to
handle a bio_alloc failure, except that the function will
not actually fail due the mempool backing it."
Sorry about useless code, fix it now and
localize erofs_grab_bio [2].
[1] https://lore.kernel.org/r/20190830162812.GA10694@infradead.org/
[2] https://lore.kernel.org/r/20190902122016.GL15931@infradead.org/
Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Link: https://lore.kernel.org/r/20190904020912.63925-16-gaoxiang25@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/erofs/internal.h')
| -rw-r--r-- | fs/erofs/internal.h | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index cc1ea98c5c89..000ea92b36a3 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -411,35 +411,6 @@ static inline int z_erofs_map_blocks_iter(struct inode *inode, #endif /* !CONFIG_EROFS_FS_ZIP */ /* data.c */ -static inline struct bio *erofs_grab_bio(struct super_block *sb, - erofs_blk_t blkaddr, - unsigned int nr_pages, - void *bi_private, bio_end_io_t endio, - bool nofail) -{ - const gfp_t gfp = GFP_NOIO; - struct bio *bio; - - do { - if (nr_pages == 1) { - bio = bio_alloc(gfp | (nofail ? __GFP_NOFAIL : 0), 1); - if (!bio) { - DBG_BUGON(nofail); - return ERR_PTR(-ENOMEM); - } - break; - } - bio = bio_alloc(gfp, nr_pages); - nr_pages /= 2; - } while (!bio); - - bio->bi_end_io = endio; - bio_set_dev(bio, sb->s_bdev); - bio->bi_iter.bi_sector = (sector_t)blkaddr << LOG_SECTORS_PER_BLOCK; - bio->bi_private = bi_private; - return bio; -} - static inline void __submit_bio(struct bio *bio, unsigned int op, unsigned int op_flags) { |