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bcachefs: More dio inlining 

Eliminate another function call in the O_DIRECT write path.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2022-11-24 23:52:28 -05:00
parent 4a390fec24
commit 4d868d18e5
1 changed files with 14 additions and 10 deletions
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24
fs/bcachefs/fs-io.c
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@ -2218,7 +2218,7 @@ static __always_inline void bch2_dio_write_end(struct dio_write *dio)
set_bit(EI_INODE_ERROR, &inode->ei_flags);
}
static long bch2_dio_write_loop(struct dio_write *dio)
static __always_inline long bch2_dio_write_loop(struct dio_write *dio)
{
struct bch_fs *c = dio->op.c;
struct kiocb *req = dio->req;
@ -2333,18 +2333,10 @@ err:
goto out;
}
static void bch2_dio_write_loop_async(struct bch_write_op *op)
static noinline __cold void bch2_dio_write_continue(struct dio_write *dio)
{
struct dio_write *dio = container_of(op, struct dio_write, op);
struct mm_struct *mm = dio->mm;
bch2_dio_write_end(dio);
if (likely(!dio->iter.count) || dio->op.error) {
bch2_dio_write_done(dio);
return;
}
bio_reset(&dio->op.wbio.bio, NULL, REQ_OP_WRITE);
if (mm)
@ -2354,6 +2346,18 @@ static void bch2_dio_write_loop_async(struct bch_write_op *op)
kthread_unuse_mm(mm);
}
static void bch2_dio_write_loop_async(struct bch_write_op *op)
{
struct dio_write *dio = container_of(op, struct dio_write, op);
bch2_dio_write_end(dio);
if (likely(!dio->iter.count) || dio->op.error)
bch2_dio_write_done(dio);
else
bch2_dio_write_continue(dio);
}
static noinline
ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
{