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-rw-r--r--fs/erofs/super.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index cc44fb2e00..3789d62245 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -4,14 +4,11 @@
* https://www.huawei.com/
* Copyright (C) 2021, Alibaba Cloud
*/
-#include <linux/module.h>
#include <linux/statfs.h>
-#include <linux/parser.h>
#include <linux/seq_file.h>
#include <linux/crc32c.h>
#include <linux/fs_context.h>
#include <linux/fs_parser.h>
-#include <linux/dax.h>
#include <linux/exportfs.h>
#include "xattr.h"
@@ -174,7 +171,7 @@ 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);
@@ -198,13 +195,13 @@ 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);
@@ -570,6 +567,7 @@ static struct dentry *erofs_get_parent(struct dentry *child)
}
static const struct export_operations erofs_export_ops = {
+ .encode_fh = generic_encode_ino32_fh,
.fh_to_dentry = erofs_fh_to_dentry,
.fh_to_parent = erofs_fh_to_parent,
.get_parent = erofs_get_parent,
@@ -668,13 +666,13 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
xa_init(&sbi->managed_pslots);
#endif
- inode = erofs_iget(sb, ROOT_NID(sbi));
+ inode = erofs_iget(sb, sbi->root_nid);
if (IS_ERR(inode))
return PTR_ERR(inode);
if (!S_ISDIR(inode->i_mode)) {
erofs_err(sb, "rootino(nid %llu) is not a directory(i_mode %o)",
- ROOT_NID(sbi), inode->i_mode);
+ sbi->root_nid, inode->i_mode);
iput(inode);
return -EINVAL;
}
@@ -704,7 +702,7 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
if (err)
return err;
- erofs_info(sb, "mounted with root inode @ nid %llu.", ROOT_NID(sbi));
+ erofs_info(sb, "mounted with root inode @ nid %llu.", sbi->root_nid);
return 0;
}
@@ -750,8 +748,8 @@ 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);