aboutsummaryrefslogtreecommitdiffstats
path: root/fs/btrfs/ctree.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h58
1 files changed, 17 insertions, 41 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f1800008be34..d628a3b9441c 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -185,11 +185,6 @@ struct btrfs_inode_item {
185 struct btrfs_inode_timespec otime; 185 struct btrfs_inode_timespec otime;
186} __attribute__ ((__packed__)); 186} __attribute__ ((__packed__));
187 187
188/* inline data is just a blob of bytes */
189struct btrfs_inline_data_item {
190 u8 data;
191} __attribute__ ((__packed__));
192
193struct btrfs_dir_item { 188struct btrfs_dir_item {
194 struct btrfs_disk_key location; 189 struct btrfs_disk_key location;
195 __le16 flags; 190 __le16 flags;
@@ -293,9 +288,6 @@ struct btrfs_root {
293#define BTRFS_KEY_TYPE_MASK (((u32)BTRFS_KEY_TYPE_MAX - 1) << \ 288#define BTRFS_KEY_TYPE_MASK (((u32)BTRFS_KEY_TYPE_MAX - 1) << \
294 BTRFS_KEY_TYPE_SHIFT) 289 BTRFS_KEY_TYPE_SHIFT)
295 290
296#define BTRFS_KEY_OVERFLOW_MAX 128
297#define BTRFS_KEY_OVERFLOW_MASK ((u32)BTRFS_KEY_OVERFLOW_MAX - 1)
298
299/* 291/*
300 * inode items have the data typically returned from stat and store other 292 * inode items have the data typically returned from stat and store other
301 * info about object characteristics. There is one for every file and dir in 293 * info about object characteristics. There is one for every file and dir in
@@ -621,31 +613,6 @@ static inline void btrfs_set_key_type(struct btrfs_key *key, u32 val)
621 key->flags = (key->flags & ~(BTRFS_KEY_TYPE_MASK)) | val; 613 key->flags = (key->flags & ~(BTRFS_KEY_TYPE_MASK)) | val;
622} 614}
623 615
624static inline u32 btrfs_key_overflow(struct btrfs_key *key)
625{
626 return key->flags & BTRFS_KEY_OVERFLOW_MASK;
627}
628
629static inline void btrfs_set_key_overflow(struct btrfs_key *key, u32 over)
630{
631 BUG_ON(over >= BTRFS_KEY_OVERFLOW_MAX);
632 key->flags = (key->flags & ~BTRFS_KEY_OVERFLOW_MASK) | over;
633}
634
635static inline u32 btrfs_disk_key_overflow(struct btrfs_disk_key *key)
636{
637 return le32_to_cpu(key->flags) & BTRFS_KEY_OVERFLOW_MASK;
638}
639
640static inline void btrfs_set_disk_key_overflow(struct btrfs_disk_key *key,
641 u32 over)
642{
643 u32 flags = btrfs_disk_key_flags(key);
644 BUG_ON(over >= BTRFS_KEY_OVERFLOW_MAX);
645 flags = (flags & ~BTRFS_KEY_OVERFLOW_MASK) | over;
646 btrfs_set_disk_key_flags(key, flags);
647}
648
649static inline u64 btrfs_header_blocknr(struct btrfs_header *h) 616static inline u64 btrfs_header_blocknr(struct btrfs_header *h)
650{ 617{
651 return le64_to_cpu(h->blocknr); 618 return le64_to_cpu(h->blocknr);
@@ -1079,15 +1046,24 @@ int btrfs_find_last_root(struct btrfs_root *root, u64 objectid, struct
1079int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root 1046int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
1080 *root, const char *name, int name_len, u64 dir, 1047 *root, const char *name, int name_len, u64 dir,
1081 struct btrfs_key *location, u8 type); 1048 struct btrfs_key *location, u8 type);
1082int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root 1049struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
1083 *root, struct btrfs_path *path, u64 dir, 1050 struct btrfs_root *root,
1084 const char *name, int name_len, int mod); 1051 struct btrfs_path *path, u64 dir,
1085int btrfs_lookup_dir_index_item(struct btrfs_trans_handle *trans, 1052 const char *name, int name_len,
1086 struct btrfs_root *root, 1053 int mod);
1087 struct btrfs_path *path, u64 dir, 1054struct btrfs_dir_item *
1088 u64 objectid, int mod); 1055btrfs_lookup_dir_index_item(struct btrfs_trans_handle *trans,
1089int btrfs_match_dir_item_name(struct btrfs_root *root, struct btrfs_path *path, 1056 struct btrfs_root *root,
1057 struct btrfs_path *path, u64 dir,
1058 u64 objectid, const char *name, int name_len,
1059 int mod);
1060struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root,
1061 struct btrfs_path *path,
1090 const char *name, int name_len); 1062 const char *name, int name_len);
1063int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans,
1064 struct btrfs_root *root,
1065 struct btrfs_path *path,
1066 struct btrfs_dir_item *di);
1091/* inode-map.c */ 1067/* inode-map.c */
1092int btrfs_find_free_objectid(struct btrfs_trans_handle *trans, 1068int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
1093 struct btrfs_root *fs_root, 1069 struct btrfs_root *fs_root,