All btrfs_bio I/Os are associated with an inode. Add a pointer to that
inode, which will allow to simplify a lot of calling conventions, and
which will be needed in the I/O completion path in the future.
This grow the btrfs_bio struture by a pointer, but that grows will
be offset by the removal of the device pointer soon.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/btrfs/bio.c | 8 ++++++--
fs/btrfs/bio.h | 5 ++++-
fs/btrfs/compression.c | 3 ++-
fs/btrfs/extent_io.c | 8 ++++----
fs/btrfs/inode.c | 4 +++-
5 files changed, 19 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c
index 8affc88b0e0a4b..2398bb263957b2 100644
--- a/fs/btrfs/bio.c
+++ b/fs/btrfs/bio.c
@@ -22,9 +22,11 @@ static struct bio_set btrfs_bioset;
* is already initialized by the block layer.
*/
static inline void btrfs_bio_init(struct btrfs_bio *bbio,
+ struct btrfs_inode *inode,
btrfs_bio_end_io_t end_io, void *private)
{
memset(bbio, 0, offsetof(struct btrfs_bio, bio));
+ bbio->inode = inode;
bbio->end_io = end_io;
bbio->private = private;
}
@@ -37,16 +39,18 @@ static inline void btrfs_bio_init(struct btrfs_bio *bbio,
* a mempool.
*/
struct bio *btrfs_bio_alloc(unsigned int nr_vecs, blk_opf_t opf,
+ struct btrfs_inode *inode,
btrfs_bio_end_io_t end_io, void *private)
{
struct bio *bio;
bio = bio_alloc_bioset(NULL, nr_vecs, opf, GFP_NOFS, &btrfs_bioset);
- btrfs_bio_init(btrfs_bio(bio), end_io, private);
+ btrfs_bio_init(btrfs_bio(bio), inode, end_io, private);
return bio;
}
struct bio *btrfs_bio_clone_partial(struct bio *orig, u64 offset, u64 size,
+ struct btrfs_inode *inode,
btrfs_bio_end_io_t end_io, void *private)
{
struct bio *bio;
@@ -56,7 +60,7 @@ struct bio *btrfs_bio_clone_partial(struct bio *orig, u64 offset, u64 size,
bio = bio_alloc_clone(orig->bi_bdev, orig, GFP_NOFS, &btrfs_bioset);
bbio = btrfs_bio(bio);
- btrfs_bio_init(bbio, end_io, private);
+ btrfs_bio_init(bbio, inode, end_io, private);
bio_trim(bio, offset >> 9, size >> 9);
bbio->iter = bio->bi_iter;
diff --git a/fs/btrfs/bio.h b/fs/btrfs/bio.h
index baaa27961cc812..8d69d0b226d99b 100644
--- a/fs/btrfs/bio.h
+++ b/fs/btrfs/bio.h
@@ -41,7 +41,8 @@ struct btrfs_bio {
unsigned int is_metadata:1;
struct bvec_iter iter;
- /* File offset that this I/O operates on. */
+ /* Inode and offset into it that this I/O operates on. */
+ struct btrfs_inode *inode;
u64 file_offset;
/* @device is for stripe IO submission. */
@@ -80,8 +81,10 @@ int __init btrfs_bioset_init(void);
void __cold btrfs_bioset_exit(void);
struct bio *btrfs_bio_alloc(unsigned int nr_vecs, blk_opf_t opf,
+ struct btrfs_inode *inode,
btrfs_bio_end_io_t end_io, void *private);
struct bio *btrfs_bio_clone_partial(struct bio *orig, u64 offset, u64 size,
+ struct btrfs_inode *inode,
btrfs_bio_end_io_t end_io, void *private);
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 4a5aeb8dd4793a..b8e3e899974b34 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -344,7 +344,8 @@ static struct bio *alloc_compressed_bio(struct compressed_bio *cb, u64 disk_byte
struct bio *bio;
int ret;
- bio = btrfs_bio_alloc(BIO_MAX_VECS, opf, endio_func, cb);
+ bio = btrfs_bio_alloc(BIO_MAX_VECS, opf, BTRFS_I(cb->inode), endio_func,
+ cb);
bio->bi_iter.bi_sector = disk_bytenr >> SECTOR_SHIFT;
em = btrfs_get_chunk_map(fs_info, disk_bytenr, fs_info->sectorsize);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9bd32daa9b9a6f..faf9312a46c0e1 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -740,7 +740,8 @@ int btrfs_repair_one_sector(struct btrfs_inode *inode, struct btrfs_bio *failed_
return -EIO;
}
- repair_bio = btrfs_bio_alloc(1, REQ_OP_READ, failed_bbio->end_io,
+ repair_bio = btrfs_bio_alloc(1, REQ_OP_READ, failed_bbio->inode,
+ failed_bbio->end_io,
failed_bbio->private);
repair_bbio = btrfs_bio(repair_bio);
repair_bbio->file_offset = start;
@@ -1394,9 +1395,8 @@ static int alloc_new_bio(struct btrfs_inode *inode,
struct bio *bio;
int ret;
- ASSERT(bio_ctrl->end_io_func);
-
- bio = btrfs_bio_alloc(BIO_MAX_VECS, opf, bio_ctrl->end_io_func, NULL);
+ bio = btrfs_bio_alloc(BIO_MAX_VECS, opf, inode, bio_ctrl->end_io_func,
+ NULL);
/*
* For compressed page range, its disk_bytenr is always @disk_bytenr
* passed in, no matter if we have added any range into previous bio.
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 3c49742f0d4556..0a85e42f114cc5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8097,7 +8097,8 @@ static void btrfs_submit_direct(const struct iomap_iter *iter,
* the allocation is backed by btrfs_bioset.
*/
bio = btrfs_bio_clone_partial(dio_bio, clone_offset, clone_len,
- btrfs_end_dio_bio, dip);
+ BTRFS_I(inode), btrfs_end_dio_bio,
+ dip);
btrfs_bio(bio)->file_offset = file_offset;
if (bio_op(bio) == REQ_OP_ZONE_APPEND) {
@@ -10409,6 +10410,7 @@ int btrfs_encoded_read_regular_fill_pages(struct btrfs_inode *inode,
if (!bio) {
bio = btrfs_bio_alloc(BIO_MAX_VECS, REQ_OP_READ,
+ inode,
btrfs_encoded_read_endio,
&priv);
bio->bi_iter.bi_sector =
--
2.39.0
