Currently transaction bugs out insided btrfs_start_transaction in case
of error, we want to lift the error handling to the callers. This patch
adds the BUG_ON anywhere it's been missing so far. This is not the best
way of course. Transforming BUG_ON to a proper error handling highly
depends on the caller and should be dealt with case by case.
Signed-off-by: David Sterba <dsterba@suse.com>
There multiple places where we use well-known sizes - 1,8,16,32 megabytes. We
also have them defined as constants in the sizes.h header. So let's use them.
No functional changes.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
For code maintainability and scalability,
replace hardcoded constant with a meaningful enum.
Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com>
[ add MKFS_ prefix ]
Signed-off-by: David Sterba <dsterba@suse.com>
Replace in-place exit with a common exit block in the main function.
Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
Parameter fd is not used in function make_image and traverse_directory
of mkfs. Delete it.
Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
4 functions are involved in this refactor: btrfs_make_block_group()
btrfs_make_block_groups(), btrfs_alloc_chunk, btrfs_alloc_data_chunk().
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Leafsize is deprecated for a long time, and kernel has already updated
ctree.h to rename sb->leafsize to sb->__unused_leafsize.
This patch will remove normal users of leafsize:
1) Remove leafsize member from btrfs_root structure
Now only root->nodesize and root->sectorisze.
No longer root->leafsize.
2) Remove @leafsize parameter from btrfs_setup_root() function
Since no root->leafsize, no need for @leafsize parameter.
The remaining user of leafsize will be:
1) btrfs inspect-internal dump-super
Reformat the "leafsize" output to "leafsize (deprecated)" and
use le32_to_cpu() to do the cast manually.
2) mkfs
We still need to set sb->__unused_leafsize to nodesize.
Do the manual cast too.
3) convert
Same as mkfs, these two superblock setup should be merged later
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Build under musl libc fails because of missing PATH_MAX and XATTR_NAME_MAX
macro declarations. Add the required headers.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
The caller of make_btrfs does not need to set it, it's for internal use
and can be read after mkfs ends.
Signed-off-by: David Sterba <dsterba@suse.com>
The regulare mkfs_btrfs does not anything special about convert and just
passes the arguments. Make that two functions.
Signed-off-by: David Sterba <dsterba@suse.com>
