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| author | Namjae Jeon <namjae.jeon@samsung.com> | 2012-12-08 09:53:40 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2012-12-11 08:43:44 +0400 |
| commit | c212991a6bc3ba120d41205a294c5b89f05f1535 (patch) | |
| tree | 1078feaea977a2af0ea6da47c0aec342c2272207 /fs/f2fs/segment.c | |
| parent | d08ab08d140de247eb812ce2c3c4b323620e4609 (diff) | |
| download | linux-c212991a6bc3ba120d41205a294c5b89f05f1535.tar.xz | |
f2fs: rewrite f2fs_bio_alloc to make it simpler
Since, GFP_NOFS(__GFP_WAIT) is used for allocation requests of bio in f2fs.
So, there is no chance of returning NULL from the BIO allocation.
Making the bio allocation routine for f2fs simpler.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 969df1a30d1c..8894b399770d 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -647,28 +647,18 @@ struct bio *f2fs_bio_alloc(struct block_device *bdev, sector_t first_sector, int nr_vecs, gfp_t gfp_flags) { struct bio *bio; -repeat: + /* allocate new bio */ bio = bio_alloc(gfp_flags, nr_vecs); - if (bio == NULL && (current->flags & PF_MEMALLOC)) { - while (!bio && (nr_vecs /= 2)) - bio = bio_alloc(gfp_flags, nr_vecs); - } - if (bio) { - bio->bi_bdev = bdev; - bio->bi_sector = first_sector; + bio->bi_bdev = bdev; + bio->bi_sector = first_sector; retry: - bio->bi_private = kmalloc(sizeof(struct bio_private), - GFP_NOFS | __GFP_HIGH); - if (!bio->bi_private) { - cond_resched(); - goto retry; - } - } - if (bio == NULL) { + bio->bi_private = kmalloc(sizeof(struct bio_private), + GFP_NOFS | __GFP_HIGH); + if (!bio->bi_private) { cond_resched(); - goto repeat; + goto retry; } return bio; } |