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https://github.com/brain-hackers/u-boot-brain
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d146a7b9c6
This is the case when reading freshly created filesystem.
The error message is like the following:
btrfs_read_superblock: No valid root_backup found!
Since the data from super_roots/root_backups is not actually used -
decided to rework btrfs_newest_root_backup() into
btrfs_check_super_roots() that will only check if super_roots
array is valid and correctly handle empty scenario.
As a result:
* btrfs_read_superblock() now only checks if super_roots array is valid;
the case when it is empty is considered OK.
* removed root_backup pointer from btrfs_info,
which would be NULL in case of empty super_roots.
* btrfs_read_superblock() verifies number of devices from the superblock
itself, not newest root_backup.
Signed-off-by: Yevgeny Popovych <yevgenyp@pointgrab.com>
Cc: Marek Behun <marek.behun@nic.cz>
Cc: Sergey Struzh <sergeys@pointgrab.com>
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|---|---|---|
| .. | ||
| btrfs_tree.h | ||
| btrfs.c | ||
| btrfs.h | ||
| chunk-map.c | ||
| compression.c | ||
| conv-funcs.h | ||
| ctree.c | ||
| ctree.h | ||
| dev.c | ||
| dir-item.c | ||
| extent-io.c | ||
| hash.c | ||
| inode.c | ||
| Kconfig | ||
| Makefile | ||
| root.c | ||
| subvolume.c | ||
| super.c | ||