Lines Matching refs:group
113 /* data type for block offset of block group */
122 /* data type for block group number */
147 * suitable group that satisfies goal request. No disk IO
159 * Reads each block group sequentially, performing disk IO if
160 * necessary, to find find_suitable block group. Tries to
200 /* allocate for locality group */
316 #define EXT4_RESIZE_INO 7 /* Reserved group descriptors inode */
388 * Structure of a blocks group descriptor
403 __le16 bg_checksum; /* crc16(sb_uuid+group+desc) */
425 * Structure of a flex block group info
439 * Macro-instructions used to manage group descriptors
649 u32 group;
661 __u32 group;
671 /* Indexes used to index group tables in ext4_new_group_data */
998 * i_block_group is the number of the block group which contains
1177 #define EXT4_MOUNT_GRPID 0x00004 /* Create files with directory's group */
1204 #define EXT4_MOUNT_GRPQUOTA 0x100000 /* "old" group quota, enable
1227 #define EXT4_MOUNT2_STD_GROUP_SIZE 0x00000002 /* We have standard group
1238 #define EXT4_MOUNT2_MB_OPTIMIZE_SCAN 0x00000080 /* Optimize group
1298 /*20*/ __le32 s_blocks_per_group; /* # Blocks per group */
1299 __le32 s_clusters_per_group; /* # Clusters per group */
1300 __le32 s_inodes_per_group; /* # Inodes per group */
1330 __le16 s_block_group_nr; /* block group # of this superblock */
1344 __le16 s_reserved_gdt_blocks; /* Per group desc for online growth */
1355 __le16 s_desc_size; /* size of group descriptor */
1357 __le32 s_first_meta_bg; /* First metablock block group */
1371 __u8 s_log_groups_per_flex; /* FLEX_BG group size */
1397 __le32 s_grp_quota_inum; /* inode for tracking group quota */
1481 unsigned long s_desc_size; /* Size of a group descriptor in bytes */
1483 unsigned long s_blocks_per_group;/* Number of blocks in a group */
1484 unsigned long s_clusters_per_group; /* Number of clusters in a group */
1485 unsigned long s_inodes_per_group;/* Number of inodes in a group */
1486 unsigned long s_itb_per_group; /* Number of inode table blocks per group */
1487 unsigned long s_gdb_count; /* Number of group descriptor blocks */
1488 unsigned long s_desc_per_block; /* Number of group descriptors per block */
2015 * METADATA_CSUM also enables group descriptor checksums (GDT_CSUM). When
2016 * METADATA_CSUM is set, group descriptor checksums use the same algorithm as
2236 * Default values for user and/or group using reserved blocks
2273 * directories into the first block group of a flexgroup
2542 /* calculate the first block number of the group */
2699 extern int ext4_bg_has_super(struct super_block *sb, ext4_group_t group);
2701 ext4_group_t group);
2714 ext4_group_t group);
2867 ext4_group_t group, int barrier);
2911 ext4_group_t group,
2913 extern void ext4_mb_prefetch_fini(struct super_block *sb, ext4_group_t group,
3246 extern int ext4_group_desc_csum_verify(struct super_block *sb, __u32 group,
3248 extern void ext4_group_desc_csum_set(struct super_block *sb, __u32 group,
3451 ext4_group_t group)
3453 return bgl_lock_ptr(EXT4_SB(sb)->s_blockgroup_lock, group);
3458 * access the block group locks has run into contention.
3465 static inline void ext4_lock_group(struct super_block *sb, ext4_group_t group)
3467 spinlock_t *lock = ext4_group_lock_ptr(sb, group);
3486 ext4_group_t group)
3488 spin_unlock(ext4_group_lock_ptr(sb, group));