compressed_bio_alloc is now a trivial wrapper around btrfs_bio_alloc, no
point keeping it. The error handling can be simplified, as we know
btrfs_bio_alloc will never fail.
Signed-off-by: David Sterba <dste...@suse.com>
---
fs/btrfs/compression.c | 23 ++++-------------------
1 file changed, 4 insertions(+), 19 deletions(-)
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 7ad0a1c4be68..2df080c4ece0 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -53,12 +53,6 @@ static inline int compressed_bio_size(struct btrfs_fs_info
*fs_info,
(DIV_ROUND_UP(disk_size, fs_info->sectorsize)) * csum_size;
}
-static struct bio *compressed_bio_alloc(struct block_device *bdev,
- u64 first_byte, gfp_t gfp_flags)
-{
- return btrfs_bio_alloc(bdev, first_byte >> 9);
-}
-
static int check_compressed_csum(struct btrfs_inode *inode,
struct compressed_bio *cb,
u64 disk_start)
@@ -311,11 +305,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64
start,
bdev = fs_info->fs_devices->latest_bdev;
- bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS);
- if (!bio) {
- kfree(cb);
- return -ENOMEM;
- }
+ bio = btrfs_bio_alloc(bdev, first_byte >> 9);
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
bio->bi_private = cb;
bio->bi_end_io = end_compressed_bio_write;
@@ -362,8 +352,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64
start,
bio_put(bio);
- bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS);
- BUG_ON(!bio);
+ bio = btrfs_bio_alloc(bdev, first_byte >> 9);
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
bio->bi_private = cb;
bio->bi_end_io = end_compressed_bio_write;
@@ -606,9 +595,7 @@ int btrfs_submit_compressed_read(struct inode *inode,
struct bio *bio,
/* include any pages we added in add_ra-bio_pages */
cb->len = bio->bi_iter.bi_size;
- comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS);
- if (!comp_bio)
- goto fail2;
+ comp_bio = btrfs_bio_alloc(bdev, cur_disk_byte >> 9);
bio_set_op_attrs (comp_bio, REQ_OP_READ, 0);
comp_bio->bi_private = cb;
comp_bio->bi_end_io = end_compressed_bio_read;
@@ -659,9 +646,7 @@ int btrfs_submit_compressed_read(struct inode *inode,
struct bio *bio,
bio_put(comp_bio);
- comp_bio = compressed_bio_alloc(bdev, cur_disk_byte,
- GFP_NOFS);
- BUG_ON(!comp_bio);
+ comp_bio = btrfs_bio_alloc(bdev, cur_disk_byte >> 9);
bio_set_op_attrs(comp_bio, REQ_OP_READ, 0);
comp_bio->bi_private = cb;
comp_bio->bi_end_io = end_compressed_bio_read;
--
2.12.0
--
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