diff options
Diffstat (limited to 'fs/erofs')
| -rw-r--r-- | fs/erofs/data.c | 11 | ||||
| -rw-r--r-- | fs/erofs/internal.h | 1 |
2 files changed, 10 insertions, 2 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c index 0e35ef3f9f3d..9b1bb177ce30 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -159,6 +159,7 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map) /* primary device by default */ map->m_bdev = sb->s_bdev; map->m_daxdev = EROFS_SB(sb)->dax_dev; + map->m_dax_part_off = EROFS_SB(sb)->dax_part_off; if (map->m_deviceid) { down_read(&devs->rwsem); @@ -169,6 +170,7 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map) } map->m_bdev = dif->bdev; map->m_daxdev = dif->dax_dev; + map->m_dax_part_off = dif->dax_part_off; up_read(&devs->rwsem); } else if (devs->extra_devices) { down_read(&devs->rwsem); @@ -185,6 +187,7 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map) map->m_pa -= startoff; map->m_bdev = dif->bdev; map->m_daxdev = dif->dax_dev; + map->m_dax_part_off = dif->dax_part_off; break; } } @@ -215,9 +218,13 @@ static int erofs_iomap_begin(struct inode *inode, loff_t offset, loff_t length, if (ret) return ret; - iomap->bdev = mdev.m_bdev; - iomap->dax_dev = mdev.m_daxdev; iomap->offset = map.m_la; + if (flags & IOMAP_DAX) { + iomap->dax_dev = mdev.m_daxdev; + iomap->offset += mdev.m_dax_part_off; + } else { + iomap->bdev = mdev.m_bdev; + } iomap->length = map.m_llen; iomap->flags = 0; iomap->private = NULL; diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index c1e65346e9f1..5c2a83876220 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -438,6 +438,7 @@ static inline int z_erofs_map_blocks_iter(struct inode *inode, struct erofs_map_dev { struct block_device *m_bdev; struct dax_device *m_daxdev; + u64 m_dax_part_off; erofs_off_t m_pa; unsigned int m_deviceid; |