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suballoc.h File Reference

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Data Structures

struct  ocfs2_alloc_context
 

Macros

#define OCFS2_AC_USE_LOCAL   1
 
#define OCFS2_AC_USE_MAIN   2
 
#define OCFS2_AC_USE_INODE   3
 
#define OCFS2_AC_USE_META   4
 

Typedefs

typedef int( group_search_t )(struct inode *, struct buffer_head *, u32, u32, u64, struct ocfs2_suballoc_result *)
 

Functions

void ocfs2_init_steal_slots (struct ocfs2_super *osb)
 
void ocfs2_free_alloc_context (struct ocfs2_alloc_context *ac)
 
int ocfs2_reserve_new_metadata (struct ocfs2_super *osb, struct ocfs2_extent_list *root_el, struct ocfs2_alloc_context **ac)
 
int ocfs2_reserve_new_metadata_blocks (struct ocfs2_super *osb, int blocks, struct ocfs2_alloc_context **ac)
 
int ocfs2_reserve_new_inode (struct ocfs2_super *osb, struct ocfs2_alloc_context **ac)
 
int ocfs2_reserve_clusters (struct ocfs2_super *osb, u32 bits_wanted, struct ocfs2_alloc_context **ac)
 
int ocfs2_claim_metadata (handle_t *handle, struct ocfs2_alloc_context *ac, u32 bits_wanted, u64 *suballoc_loc, u16 *suballoc_bit_start, u32 *num_bits, u64 *blkno_start)
 
int ocfs2_claim_new_inode (handle_t *handle, struct inode *dir, struct buffer_head *parent_fe_bh, struct ocfs2_alloc_context *ac, u64 *suballoc_loc, u16 *suballoc_bit, u64 *fe_blkno)
 
int ocfs2_claim_clusters (handle_t *handle, struct ocfs2_alloc_context *ac, u32 min_clusters, u32 *cluster_start, u32 *num_clusters)
 
int __ocfs2_claim_clusters (handle_t *handle, struct ocfs2_alloc_context *ac, u32 min_clusters, u32 max_clusters, u32 *cluster_start, u32 *num_clusters)
 
int ocfs2_free_suballoc_bits (handle_t *handle, struct inode *alloc_inode, struct buffer_head *alloc_bh, unsigned int start_bit, u64 bg_blkno, unsigned int count)
 
int ocfs2_free_dinode (handle_t *handle, struct inode *inode_alloc_inode, struct buffer_head *inode_alloc_bh, struct ocfs2_dinode *di)
 
int ocfs2_free_clusters (handle_t *handle, struct inode *bitmap_inode, struct buffer_head *bitmap_bh, u64 start_blk, unsigned int num_clusters)
 
int ocfs2_release_clusters (handle_t *handle, struct inode *bitmap_inode, struct buffer_head *bitmap_bh, u64 start_blk, unsigned int num_clusters)
 
int ocfs2_reserve_cluster_bitmap_bits (struct ocfs2_super *osb, struct ocfs2_alloc_context *ac)
 
void ocfs2_free_ac_resource (struct ocfs2_alloc_context *ac)
 
u64 ocfs2_which_cluster_group (struct inode *inode, u32 cluster)
 
int ocfs2_check_group_descriptor (struct super_block *sb, struct ocfs2_dinode *di, struct buffer_head *bh)
 
int ocfs2_read_group_descriptor (struct inode *inode, struct ocfs2_dinode *di, u64 gd_blkno, struct buffer_head **bh)
 
int ocfs2_lock_allocators (struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, struct ocfs2_alloc_context **meta_ac)
 
int ocfs2_test_inode_bit (struct ocfs2_super *osb, u64 blkno, int *res)
 
int ocfs2_find_new_inode_loc (struct inode *dir, struct buffer_head *parent_fe_bh, struct ocfs2_alloc_context *ac, u64 *fe_blkno)
 
int ocfs2_claim_new_inode_at_loc (handle_t *handle, struct inode *dir, struct ocfs2_alloc_context *ac, u64 *suballoc_loc, u16 *suballoc_bit, u64 di_blkno)
 

Macro Definition Documentation

#define OCFS2_AC_USE_INODE   3

Definition at line 46 of file suballoc.h.

#define OCFS2_AC_USE_LOCAL   1

Definition at line 44 of file suballoc.h.

#define OCFS2_AC_USE_MAIN   2

Definition at line 45 of file suballoc.h.

#define OCFS2_AC_USE_META   4

Definition at line 47 of file suballoc.h.

Typedef Documentation

typedef int( group_search_t)(struct inode *, struct buffer_head *, u32,u32,u64,struct ocfs2_suballoc_result *)

Definition at line 30 of file suballoc.h.

Function Documentation

int __ocfs2_claim_clusters ( handle_t *  handle,
struct ocfs2_alloc_context *  ac,
u32  min_clusters,
u32  max_clusters,
u32 *  cluster_start,
u32 *  num_clusters 
)

Definition at line 2294 of file suballoc.c.

int ocfs2_check_group_descriptor ( struct super_block *  sb,
struct ocfs2_dinode *  di,
struct buffer_head *  bh 
)

Definition at line 278 of file suballoc.c.

int ocfs2_claim_clusters ( handle_t *  handle,
struct ocfs2_alloc_context *  ac,
u32  min_clusters,
u32 *  cluster_start,
u32 *  num_clusters 
)

Definition at line 2365 of file suballoc.c.

int ocfs2_claim_metadata ( handle_t *  handle,
struct ocfs2_alloc_context *  ac,
u32  bits_wanted,
u64 *  suballoc_loc,
u16 *  suballoc_bit_start,
u32 *  num_bits,
u64 *  blkno_start 
)

Definition at line 1987 of file suballoc.c.

int ocfs2_claim_new_inode ( handle_t *  handle,
struct inode *  dir,
struct buffer_head *  parent_fe_bh,
struct ocfs2_alloc_context *  ac,
u64 *  suballoc_loc,
u16 *  suballoc_bit,
u64 *  fe_blkno 
)

Definition at line 2190 of file suballoc.c.

int ocfs2_claim_new_inode_at_loc ( handle_t *  handle,
struct inode *  dir,
struct ocfs2_alloc_context *  ac,
u64 *  suballoc_loc,
u16 *  suballoc_bit,
u64  di_blkno 
)

Definition at line 2121 of file suballoc.c.

int ocfs2_find_new_inode_loc ( struct inode *  dir,
struct buffer_head *  parent_fe_bh,
struct ocfs2_alloc_context *  ac,
u64 *  fe_blkno 
)

Definition at line 2060 of file suballoc.c.

void ocfs2_free_ac_resource ( struct ocfs2_alloc_context *  ac)

Definition at line 142 of file suballoc.c.

void ocfs2_free_alloc_context ( struct ocfs2_alloc_context *  ac)

Definition at line 164 of file suballoc.c.

int ocfs2_free_clusters ( handle_t *  handle,
struct inode *  bitmap_inode,
struct buffer_head *  bitmap_bh,
u64  start_blk,
unsigned int  num_clusters 
)

Definition at line 2583 of file suballoc.c.

int ocfs2_free_dinode ( handle_t *  handle,
struct inode *  inode_alloc_inode,
struct buffer_head *  inode_alloc_bh,
struct ocfs2_dinode *  di 
)

Definition at line 2522 of file suballoc.c.

int ocfs2_free_suballoc_bits ( handle_t *  handle,
struct inode *  alloc_inode,
struct buffer_head *  alloc_bh,
unsigned int  start_bit,
u64  bg_blkno,
unsigned int  count 
)

Definition at line 2511 of file suballoc.c.

void ocfs2_init_steal_slots ( struct ocfs2_super *  osb)

Definition at line 909 of file suballoc.c.

int ocfs2_lock_allocators ( struct inode *  inode,
struct ocfs2_extent_tree *  et,
u32  clusters_to_add,
u32  extents_to_split,
struct ocfs2_alloc_context **  data_ac,
struct ocfs2_alloc_context **  meta_ac 
)

Definition at line 2666 of file suballoc.c.

int ocfs2_read_group_descriptor ( struct inode *  inode,
struct ocfs2_dinode *  di,
u64  gd_blkno,
struct buffer_head **  bh 
)

Definition at line 332 of file suballoc.c.

int ocfs2_release_clusters ( handle_t *  handle,
struct inode *  bitmap_inode,
struct buffer_head *  bitmap_bh,
u64  start_blk,
unsigned int  num_clusters 
)

Definition at line 2598 of file suballoc.c.

int ocfs2_reserve_cluster_bitmap_bits ( struct ocfs2_super *  osb,
struct ocfs2_alloc_context *  ac 
)

Definition at line 1159 of file suballoc.c.

int ocfs2_reserve_clusters ( struct ocfs2_super *  osb,
u32  bits_wanted,
struct ocfs2_alloc_context **  ac 
)

Definition at line 1233 of file suballoc.c.

int ocfs2_reserve_new_inode ( struct ocfs2_super *  osb,
struct ocfs2_alloc_context **  ac 
)

Definition at line 1065 of file suballoc.c.

int ocfs2_reserve_new_metadata ( struct ocfs2_super *  osb,
struct ocfs2_extent_list *  root_el,
struct ocfs2_alloc_context **  ac 
)

Definition at line 1056 of file suballoc.c.

int ocfs2_reserve_new_metadata_blocks ( struct ocfs2_super *  osb,
int  blocks,
struct ocfs2_alloc_context **  ac 
)

Definition at line 994 of file suballoc.c.

int ocfs2_test_inode_bit ( struct ocfs2_super *  osb,
u64  blkno,
int *  res 
)

Definition at line 2856 of file suballoc.c.

u64 ocfs2_which_cluster_group ( struct inode *  inode,
u32  cluster 
)

Definition at line 2252 of file suballoc.c.

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