leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

btrfs: add a btrfs_dio_rw wrapper

Browse Source 
Add a wrapper around iomap_dio_rw that keeps the direct I/O internals
isolated in inode.c.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig
2022-05-05 15:11:09 -05:00
committed by David Sterba
parent 74e91b12b1
commit 36e8c62273
3 changed files with 12 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
fs/btrfs/inode.c
View File

@@ -8155,15 +8155,21 @@ out_err:
btrfs_dio_private_put(dip);
}
const struct iomap_ops btrfs_dio_iomap_ops = {
static const struct iomap_ops btrfs_dio_iomap_ops = {
.iomap_begin = btrfs_dio_iomap_begin,
.iomap_end = btrfs_dio_iomap_end,
};
const struct iomap_dio_ops btrfs_dio_ops = {
static const struct iomap_dio_ops btrfs_dio_ops = {
.submit_io = btrfs_submit_direct,
};
ssize_t btrfs_dio_rw(struct kiocb *iocb, struct iov_iter *iter, size_t done_before)
{
return iomap_dio_rw(iocb, iter, &btrfs_dio_iomap_ops, &btrfs_dio_ops,
IOMAP_DIO_PARTIAL, done_before);
}
static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len)
{