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f2fs: remove unneeded check for error allocating bio_post_read_ctx

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Since allocating an object from a mempool never fails when
__GFP_DIRECT_RECLAIM (which is included in GFP_NOFS) is set, the check
for failure to allocate a bio_post_read_ctx is unnecessary.  Remove it.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Eric Biggers 2019-12-31 12:14:56 -06:00 committed by Jaegeuk Kim
parent b06af2aff2
commit e8ce5749d7
1 changed files with 1 additions and 4 deletions
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5
fs/f2fs/data.c
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@ -937,11 +937,8 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
post_read_steps |= 1 << STEP_VERITY;
if (post_read_steps) {
/* Due to the mempool, this never fails. */
ctx = mempool_alloc(bio_post_read_ctx_pool, GFP_NOFS);
if (!ctx) {
bio_put(bio);
return ERR_PTR(-ENOMEM);
}
ctx->bio = bio;
ctx->sbi = sbi;
ctx->enabled_steps = post_read_steps;