Update bcachefs sources to 9d554fa16d bcachefs: Add .to_text() methods for all superb...

[bcachefs-tools-debian] / libbcachefs / fs.h

diff --git a/libbcachefs/fs.h b/libbcachefs/fs.h
index 36cc6ba2d644f3c10b3ef3c2428bb21b6e84ed43..b2211ec7f3028600a941014057440dc3dc056c7a 100644 (file)
--- a/libbcachefs/fs.h
+++ b/libbcachefs/fs.h
@@ -36,7 +36,6 @@ struct bch_inode_info {
        unsigned long           ei_flags;
 
        struct mutex            ei_update_lock;
-       u64                     ei_journal_seq;
        u64                     ei_quota_reserved;
        unsigned long           ei_last_dirtied;
 
@@ -45,16 +44,32 @@ struct bch_inode_info {
        struct mutex            ei_quota_lock;
        struct bch_qid          ei_qid;
 
+       u32                     ei_subvol;
+
        /* copy of inode in btree: */
        struct bch_inode_unpacked ei_inode;
 };
 
+static inline subvol_inum inode_inum(struct bch_inode_info *inode)
+{
+       return (subvol_inum) {
+               .subvol = inode->ei_subvol,
+               .inum   = inode->ei_inode.bi_inum,
+       };
+}
+
 /*
  * Set if we've gotten a btree error for this inode, and thus the vfs inode and
  * btree inode may be inconsistent:
  */
 #define EI_INODE_ERROR                 0
 
+/*
+ * Set in the inode is in a snapshot subvolume - we don't do quota accounting in
+ * those:
+ */
+#define EI_INODE_SNAPSHOT              1
+
 #define to_bch_ei(_inode)                                      \
        container_of_or_null(_inode, struct bch_inode_info, v)
 
@@ -135,6 +150,10 @@ struct bch_inode_unpacked;
 
 #ifndef NO_BCACHEFS_FS
 
+struct bch_inode_info *
+__bch2_create(struct user_namespace *, struct bch_inode_info *,
+             struct dentry *, umode_t, dev_t, subvol_inum, unsigned);
+
 int bch2_fs_quota_transfer(struct bch_fs *,
                           struct bch_inode_info *,
                           struct bch_qid,
@@ -154,13 +173,13 @@ static inline int bch2_set_projid(struct bch_fs *c,
                                      KEY_TYPE_QUOTA_PREALLOC);
 }
 
-struct inode *bch2_vfs_inode_get(struct bch_fs *, u64);
+struct inode *bch2_vfs_inode_get(struct bch_fs *, subvol_inum);
 
 /* returns 0 if we want to do the update, or error is passed up */
 typedef int (*inode_set_fn)(struct bch_inode_info *,
                            struct bch_inode_unpacked *, void *);
 
-void bch2_inode_update_after_write(struct bch_fs *,
+void bch2_inode_update_after_write(struct btree_trans *,
                                   struct bch_inode_info *,
                                   struct bch_inode_unpacked *,
                                   unsigned);
@@ -170,12 +189,17 @@ int __must_check bch2_write_inode(struct bch_fs *, struct bch_inode_info *,
 int bch2_setattr_nonsize(struct user_namespace *,
                         struct bch_inode_info *,
                         struct iattr *);
+int __bch2_unlink(struct inode *, struct dentry *, bool);
+
+void bch2_evict_subvolume_inodes(struct bch_fs *, struct snapshot_id_list *);
 
 void bch2_vfs_exit(void);
 int bch2_vfs_init(void);
 
 #else
 
+static inline void bch2_evict_subvolume_inodes(struct bch_fs *c,
+                                              struct snapshot_id_list *s) {}
 static inline void bch2_vfs_exit(void) {}
 static inline int bch2_vfs_init(void) { return 0; }