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https://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git
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346a381923
The raid-stripe-tree can be enabled for convert, though it's still considered incomplete and slightly experimental. Due to that the tests need to be adjusted to check for support and skip mount eventually. Possible remaining options to add: quota, squota Issue: #694 Signed-off-by: David Sterba <dsterba@suse.com>
99 lines
3.7 KiB
C
99 lines
3.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_FSFEATURES_H__
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#define __BTRFS_FSFEATURES_H__
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#include "kerncompat.h"
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#include <stdio.h>
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#include "kernel-lib/sizes.h"
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#define BTRFS_MKFS_DEFAULT_NODE_SIZE SZ_16K
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/*
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* Since one feature can set at least one bit in either
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* incompat/compat_or/runtime flags, all mkfs features users should
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* use this structure to parse the features.
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*/
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struct btrfs_mkfs_features {
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u64 incompat_flags;
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u64 compat_ro_flags;
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u64 runtime_flags;
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};
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#define BTRFS_FEATURE_RUNTIME_QUOTA (1ULL << 0)
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#define BTRFS_FEATURE_RUNTIME_LIST_ALL (1ULL << 1)
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/*
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* Such buffer size should be able to contain all feature string, with extra
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* ", " for each feature.
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*/
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#define BTRFS_FEATURE_STRING_BUF_SIZE (512)
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static const struct btrfs_mkfs_features btrfs_mkfs_default_features = {
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.compat_ro_flags = BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE |
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BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID,
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.incompat_flags = BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF |
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BTRFS_FEATURE_INCOMPAT_NO_HOLES |
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BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA,
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};
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/*
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* Avoid multi-device features (RAID56 and RAID1C34), mixed bgs, and zoned
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* mode for btrfs-convert, as all supported fses are single device fses.
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*
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* Features like compression is disabled in btrfs-convert by default, as
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* data is reusing the old data from the source fs.
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* Corresponding flag will be set when the first compression write happens.
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*/
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static const struct btrfs_mkfs_features btrfs_convert_allowed_features = {
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.compat_ro_flags = BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE |
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BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID |
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BTRFS_FEATURE_COMPAT_RO_BLOCK_GROUP_TREE,
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.incompat_flags = BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF |
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BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL |
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BTRFS_FEATURE_INCOMPAT_BIG_METADATA |
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BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF |
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BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA |
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BTRFS_FEATURE_INCOMPAT_NO_HOLES |
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BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE,
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.runtime_flags = BTRFS_FEATURE_RUNTIME_QUOTA,
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};
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void btrfs_list_all_fs_features(const struct btrfs_mkfs_features *allowed);
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void btrfs_list_all_runtime_features(const struct btrfs_mkfs_features *allowed);
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char *btrfs_parse_fs_features(char *namelist,
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struct btrfs_mkfs_features *features);
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char *btrfs_parse_runtime_features(char *namelist,
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struct btrfs_mkfs_features *features);
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void btrfs_process_fs_features(struct btrfs_mkfs_features *features);
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void btrfs_process_runtime_features(struct btrfs_mkfs_features *features);
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void btrfs_parse_fs_features_to_string(char *buf,
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const struct btrfs_mkfs_features *features);
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void btrfs_parse_runtime_features_to_string(char *buf,
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const struct btrfs_mkfs_features *features);
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void print_kernel_version(FILE *stream, u32 version);
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u32 get_running_kernel_version(void);
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int btrfs_check_nodesize(u32 nodesize, u32 sectorsize,
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struct btrfs_mkfs_features *features);
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int btrfs_check_sectorsize(u32 sectorsize);
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int btrfs_check_features(const struct btrfs_mkfs_features *features,
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const struct btrfs_mkfs_features *allowed);
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int btrfs_tree_search2_ioctl_supported(int fd);
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void btrfs_assert_feature_buf_size(void);
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#endif
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