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btrfs-progs: document all btrfs_open_ctree_flags

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Document and add unsigned type to the values.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-08-22 18:08:13 +02:00
parent fa4559e424
commit 4fd93da3cf
1 changed files with 25 additions and 16 deletions
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41
disk-io.h
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@ -29,21 +29,29 @@
#define BTRFS_SUPER_MIRROR_SHIFT 12
enum btrfs_open_ctree_flags {
OPEN_CTREE_WRITES = (1 << 0),
OPEN_CTREE_PARTIAL = (1 << 1),
OPEN_CTREE_BACKUP_ROOT = (1 << 2),
OPEN_CTREE_RECOVER_SUPER = (1 << 3),
OPEN_CTREE_RESTORE = (1 << 4),
OPEN_CTREE_NO_BLOCK_GROUPS = (1 << 5),
OPEN_CTREE_EXCLUSIVE = (1 << 6),
OPEN_CTREE_NO_DEVICES = (1 << 7),
/* Open filesystem for writes */
OPEN_CTREE_WRITES = (1U << 0),
/* Allow to open filesystem with some broken tree roots (eg log root) */
OPEN_CTREE_PARTIAL = (1U << 1),
/* If primary root pinters are invalid, try backup copies */
OPEN_CTREE_BACKUP_ROOT = (1U << 2),
/* Allow reading all superblock sopies if the primary is damaged */
OPEN_CTREE_RECOVER_SUPER = (1U << 3),
/* Restoring filesystem image */
OPEN_CTREE_RESTORE = (1U << 4),
/* Do not read block groups (extent tree) */
OPEN_CTREE_NO_BLOCK_GROUPS = (1U << 5),
/* Open all devices in O_EXCL mode */
OPEN_CTREE_EXCLUSIVE = (1U << 6),
/* Do not scan devices */
OPEN_CTREE_NO_DEVICES = (1U << 7),
/*
* Don't print error messages if bytenr or checksums do not match in
* tree block headers. Turn on by OPEN_CTREE_SUPPRESS_ERROR
*/
OPEN_CTREE_SUPPRESS_CHECK_BLOCK_ERRORS = (1 << 8),
/* Return chunk root */
__OPEN_CTREE_RETURN_CHUNK_ROOT = (1 << 9),
OPEN_CTREE_SUPPRESS_CHECK_BLOCK_ERRORS = (1U << 8),
/* Return the chunk root */
__OPEN_CTREE_RETURN_CHUNK_ROOT = (1U << 9),
OPEN_CTREE_CHUNK_ROOT_ONLY = OPEN_CTREE_PARTIAL +
OPEN_CTREE_SUPPRESS_CHECK_BLOCK_ERRORS +
__OPEN_CTREE_RETURN_CHUNK_ROOT,
@ -53,18 +61,19 @@ enum btrfs_open_ctree_flags {
* Like split PARTIAL into SKIP_CSUM/SKIP_EXTENT
*/
OPEN_CTREE_IGNORE_FSID_MISMATCH = (1 << 10),
/* Ignore UUID mismatches */
OPEN_CTREE_IGNORE_FSID_MISMATCH = (1U << 10),
/*
* Allow open_ctree_fs_info() to return a incomplete fs_info with
* Allow open_ctree_fs_info() to return an incomplete fs_info with
* system chunks from super block only.
* It's useful for chunk corruption case.
* It's useful when chunks are corrupted.
* Makes no sense for open_ctree variants returning btrfs_root.
*/
OPEN_CTREE_IGNORE_CHUNK_TREE_ERROR = (1 << 11),
OPEN_CTREE_IGNORE_CHUNK_TREE_ERROR = (1U << 11),
/* Allow to open a partially created filesystem */
OPEN_CTREE_FS_PARTIAL = (1 << 12),
OPEN_CTREE_FS_PARTIAL = (1U << 12),
};
/*