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H A Ddisk-io.c069ec957 Fri May 11 00:35:26 CDT 2018 Qu Wenruo <wqu@suse.com> btrfs: Refactor btrfs_check_super_valid

Refactor btrfs_check_super_valid:

1) Rename it to btrfs_validate_mount_super()
Now it's more obvious when the function should be called.

2) Extract core check routine into validate_super()
Later write time check can reuse it, and if needed, we could also
use validate_super() to check each super block.

3) Add more comments about btrfs_validate_mount_super()
Mostly about what it doesn't check and when it should be called.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ rename to validate_super ]
Signed-off-by: David Sterba <dsterba@suse.com>
069ec957 Fri May 11 00:35:26 CDT 2018 Qu Wenruo <wqu@suse.com> btrfs: Refactor btrfs_check_super_valid

Refactor btrfs_check_super_valid:

1) Rename it to btrfs_validate_mount_super()
Now it's more obvious when the function should be called.

2) Extract core check routine into validate_super()
Later write time check can reuse it, and if needed, we could also
use validate_super() to check each super block.

3) Add more comments about btrfs_validate_mount_super()
Mostly about what it doesn't check and when it should be called.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ rename to validate_super ]
Signed-off-by: David Sterba <dsterba@suse.com>