diff options
Diffstat (limited to 'fs/bcachefs/bcachefs_format.h')
| -rw-r--r-- | fs/bcachefs/bcachefs_format.h | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h index 691654f26552..2af3795b4917 100644 --- a/fs/bcachefs/bcachefs_format.h +++ b/fs/bcachefs/bcachefs_format.h @@ -710,45 +710,6 @@ struct bch_reservation { #define BKEY_BTREE_PTR_U64s_MAX \ (BKEY_U64s + BKEY_BTREE_PTR_VAL_U64s_MAX) -/* Dirents */ - -/* - * Dirents (and xattrs) have to implement string lookups; since our b-tree - * doesn't support arbitrary length strings for the key, we instead index by a - * 64 bit hash (currently truncated sha1) of the string, stored in the offset - * field of the key - using linear probing to resolve hash collisions. This also - * provides us with the readdir cookie posix requires. - * - * Linear probing requires us to use whiteouts for deletions, in the event of a - * collision: - */ - -struct bch_dirent { - struct bch_val v; - - /* Target inode number: */ - union { - __le64 d_inum; - struct { /* DT_SUBVOL */ - __le32 d_child_subvol; - __le32 d_parent_subvol; - }; - }; - - /* - * Copy of mode bits 12-15 from the target inode - so userspace can get - * the filetype without having to do a stat() - */ - __u8 d_type; - - __u8 d_name[]; -} __packed __aligned(8); - -#define DT_SUBVOL 16 -#define BCH_DT_MAX 17 - -#define BCH_NAME_MAX 512 - /* Xattrs */ #define KEY_TYPE_XATTR_INDEX_USER 0 @@ -1045,6 +1006,7 @@ struct bch_sb_field { x(ext, 13) \ x(downgrade, 14) +#include "dirent_format.h" #include "inode_format.h" #include "quota_format.h" #include "sb-counters_format.h" |