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authorJan Kara <jack@suse.cz>2023-09-27 11:34:27 +0200
committerChristian Brauner <brauner@kernel.org>2023-10-28 13:29:20 +0200
commit49845720080dff0afd5813eaebf0758b01b6312c (patch)
tree658c23b4fce580dd8bad38de329f554cfd876879
parent86ec15d00bf85801bda57b5d181a2978f828a8cf (diff)
erofs: Convert to use bdev_open_by_path()
Convert erofs to use bdev_open_by_path() and pass the handle around. CC: Gao Xiang <xiang@kernel.org> CC: Chao Yu <chao@kernel.org> CC: linux-erofs@lists.ozlabs.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-21-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
-rw-r--r--fs/erofs/data.c4
-rw-r--r--fs/erofs/internal.h2
-rw-r--r--fs/erofs/super.c20
3 files changed, 13 insertions, 13 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 0c2c99c58b5e..f6a0a1748521 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -222,7 +222,7 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map)
up_read(&devs->rwsem);
return 0;
}
- map->m_bdev = dif->bdev;
+ map->m_bdev = dif->bdev_handle->bdev;
map->m_daxdev = dif->dax_dev;
map->m_dax_part_off = dif->dax_part_off;
map->m_fscache = dif->fscache;
@@ -240,7 +240,7 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map)
if (map->m_pa >= startoff &&
map->m_pa < startoff + length) {
map->m_pa -= startoff;
- map->m_bdev = dif->bdev;
+ map->m_bdev = dif->bdev_handle->bdev;
map->m_daxdev = dif->dax_dev;
map->m_dax_part_off = dif->dax_part_off;
map->m_fscache = dif->fscache;
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index 4ff88d0dd980..cf04e21bfda2 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -47,7 +47,7 @@ typedef u32 erofs_blk_t;
struct erofs_device_info {
char *path;
struct erofs_fscache *fscache;
- struct block_device *bdev;
+ struct bdev_handle *bdev_handle;
struct dax_device *dax_dev;
u64 dax_part_off;
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index 3700af9ee173..6fd04781fec5 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -227,7 +227,7 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb,
struct erofs_sb_info *sbi = EROFS_SB(sb);
struct erofs_fscache *fscache;
struct erofs_deviceslot *dis;
- struct block_device *bdev;
+ struct bdev_handle *bdev_handle;
void *ptr;
ptr = erofs_read_metabuf(buf, sb, erofs_blknr(sb, *pos), EROFS_KMAP);
@@ -251,13 +251,13 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb,
return PTR_ERR(fscache);
dif->fscache = fscache;
} else if (!sbi->devs->flatdev) {
- bdev = blkdev_get_by_path(dif->path, BLK_OPEN_READ, sb->s_type,
- NULL);
- if (IS_ERR(bdev))
- return PTR_ERR(bdev);
- dif->bdev = bdev;
- dif->dax_dev = fs_dax_get_by_bdev(bdev, &dif->dax_part_off,
- NULL, NULL);
+ bdev_handle = bdev_open_by_path(dif->path, BLK_OPEN_READ,
+ sb->s_type, NULL);
+ if (IS_ERR(bdev_handle))
+ return PTR_ERR(bdev_handle);
+ dif->bdev_handle = bdev_handle;
+ dif->dax_dev = fs_dax_get_by_bdev(bdev_handle->bdev,
+ &dif->dax_part_off, NULL, NULL);
}
dif->blocks = le32_to_cpu(dis->blocks);
@@ -806,8 +806,8 @@ static int erofs_release_device_info(int id, void *ptr, void *data)
struct erofs_device_info *dif = ptr;
fs_put_dax(dif->dax_dev, NULL);
- if (dif->bdev)
- blkdev_put(dif->bdev, &erofs_fs_type);
+ if (dif->bdev_handle)
+ bdev_release(dif->bdev_handle);
erofs_fscache_unregister_cookie(dif->fscache);
dif->fscache = NULL;
kfree(dif->path);