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path: root/fs/bcachefs/fs-io-direct.c
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Diffstat (limited to 'fs/bcachefs/fs-io-direct.c')
-rw-r--r--fs/bcachefs/fs-io-direct.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/fs/bcachefs/fs-io-direct.c b/fs/bcachefs/fs-io-direct.c
index 33cb6da3a5..b889370a50 100644
--- a/fs/bcachefs/fs-io-direct.c
+++ b/fs/bcachefs/fs-io-direct.c
@@ -387,6 +387,8 @@ static __always_inline long bch2_dio_write_done(struct dio_write *dio)
ret = dio->op.error ?: ((long) dio->written << 9);
bio_put(&dio->op.wbio.bio);
+ bch2_write_ref_put(dio->op.c, BCH_WRITE_REF_dio_write);
+
/* inode->i_dio_count is our ref on inode and thus bch_fs */
inode_dio_end(&inode->v);
@@ -536,7 +538,7 @@ static __always_inline long bch2_dio_write_loop(struct dio_write *dio)
if (likely(!dio->iter.count) || dio->op.error)
break;
- bio_reset(bio, NULL, REQ_OP_WRITE);
+ bio_reset(bio, NULL, REQ_OP_WRITE | REQ_SYNC | REQ_IDLE);
}
out:
return bch2_dio_write_done(dio);
@@ -590,22 +592,25 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
prefetch(&inode->ei_inode);
prefetch((void *) &inode->ei_inode + 64);
+ if (!bch2_write_ref_tryget(c, BCH_WRITE_REF_dio_write))
+ return -EROFS;
+
inode_lock(&inode->v);
ret = generic_write_checks(req, iter);
if (unlikely(ret <= 0))
- goto err;
+ goto err_put_write_ref;
ret = file_remove_privs(file);
if (unlikely(ret))
- goto err;
+ goto err_put_write_ref;
ret = file_update_time(file);
if (unlikely(ret))
- goto err;
+ goto err_put_write_ref;
if (unlikely((req->ki_pos|iter->count) & (block_bytes(c) - 1)))
- goto err;
+ goto err_put_write_ref;
inode_dio_begin(&inode->v);
bch2_pagecache_block_get(inode);
@@ -618,7 +623,7 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
bio = bio_alloc_bioset(NULL,
bio_iov_vecs_to_alloc(iter, BIO_MAX_VECS),
- REQ_OP_WRITE,
+ REQ_OP_WRITE | REQ_SYNC | REQ_IDLE,
GFP_KERNEL,
&c->dio_write_bioset);
dio = container_of(bio, struct dio_write, op.wbio.bio);
@@ -645,7 +650,7 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
}
ret = bch2_dio_write_loop(dio);
-err:
+out:
if (locked)
inode_unlock(&inode->v);
return ret;
@@ -653,7 +658,9 @@ err_put_bio:
bch2_pagecache_block_put(inode);
bio_put(bio);
inode_dio_end(&inode->v);
- goto err;
+err_put_write_ref:
+ bch2_write_ref_put(c, BCH_WRITE_REF_dio_write);
+ goto out;
}
void bch2_fs_fs_io_direct_exit(struct bch_fs *c)