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make_btrfs is too long to understand, make creatation of root tree
in a function.
Some of the tree roots are now created in a loop, where the code is just
copypasted. We now make use of the reference_root_table to translate
block index to root objectid.
Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com>
[ updated changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
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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>
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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>
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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>
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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>
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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>
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Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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