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.h40
1 files changed, 31 insertions, 9 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 766b31ae3186..82491ba8fa40 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -596,13 +596,27 @@ struct btrfs_block_group_item {
596 596
597struct btrfs_space_info { 597struct btrfs_space_info {
598 u64 flags; 598 u64 flags;
599 u64 total_bytes; 599
600 u64 bytes_used; 600 u64 total_bytes; /* total bytes in the space */
601 u64 bytes_pinned; 601 u64 bytes_used; /* total bytes used on disk */
602 u64 bytes_reserved; 602 u64 bytes_pinned; /* total bytes pinned, will be freed when the
603 u64 bytes_readonly; 603 transaction finishes */
604 int full; 604 u64 bytes_reserved; /* total bytes the allocator has reserved for
605 int force_alloc; 605 current allocations */
606 u64 bytes_readonly; /* total bytes that are read only */
607
608 /* delalloc accounting */
609 u64 bytes_delalloc; /* number of bytes reserved for allocation,
610 this space is not necessarily reserved yet
611 by the allocator */
612 u64 bytes_may_use; /* number of bytes that may be used for
613 delalloc */
614
615 int full; /* indicates that we cannot allocate any more
616 chunks for this space */
617 int force_alloc; /* set if we need to force a chunk alloc for
618 this space */
619
606 struct list_head list; 620 struct list_head list;
607 621
608 /* for block groups in our same type */ 622 /* for block groups in our same type */
@@ -1782,6 +1796,16 @@ int btrfs_add_dead_reloc_root(struct btrfs_root *root);
1782int btrfs_cleanup_reloc_trees(struct btrfs_root *root); 1796int btrfs_cleanup_reloc_trees(struct btrfs_root *root);
1783int btrfs_reloc_clone_csums(struct inode *inode, u64 file_pos, u64 len); 1797int btrfs_reloc_clone_csums(struct inode *inode, u64 file_pos, u64 len);
1784u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags); 1798u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags);
1799void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde);
1800int btrfs_check_metadata_free_space(struct btrfs_root *root);
1801int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode,
1802 u64 bytes);
1803void btrfs_free_reserved_data_space(struct btrfs_root *root,
1804 struct inode *inode, u64 bytes);
1805void btrfs_delalloc_reserve_space(struct btrfs_root *root, struct inode *inode,
1806 u64 bytes);
1807void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode,
1808 u64 bytes);
1785/* ctree.c */ 1809/* ctree.c */
1786int btrfs_previous_item(struct btrfs_root *root, 1810int btrfs_previous_item(struct btrfs_root *root,
1787 struct btrfs_path *path, u64 min_objectid, 1811 struct btrfs_path *path, u64 min_objectid,
@@ -2027,8 +2051,6 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
2027unsigned long btrfs_force_ra(struct address_space *mapping, 2051unsigned long btrfs_force_ra(struct address_space *mapping,
2028 struct file_ra_state *ra, struct file *file, 2052 struct file_ra_state *ra, struct file *file,
2029 pgoff_t offset, pgoff_t last_index); 2053 pgoff_t offset, pgoff_t last_index);
2030int btrfs_check_free_space(struct btrfs_root *root, u64 num_required,
2031 int for_del);
2032int btrfs_page_mkwrite(struct vm_area_struct *vma, struct page *page); 2054int btrfs_page_mkwrite(struct vm_area_struct *vma, struct page *page);
2033int btrfs_readpage(struct file *file, struct page *page); 2055int btrfs_readpage(struct file *file, struct page *page);
2034void btrfs_delete_inode(struct inode *inode); 2056void btrfs_delete_inode(struct inode *inode);