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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

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* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  Define/reserve new ext4 superblock fields
  When ext4_ext_insert_extent() fails to insert new blocks
  ext4: Extent overlap bugfix
  Remove unnecessary exported symbols.
  EXT4: Fix whitespace
This commit is contained in:
Linus Torvalds
2007-06-01 07:49:18 -07:00
parent 184b812f7d 436bd75e47
commit e984fd486f
8 changed files with 134 additions and 74 deletions
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include/linux/ext4_fs.h
+20 -13
View File
@@ -32,9 +32,9 @@
/*
* Define EXT4_RESERVATION to reserve data blocks for expanding files
*/
#define EXT4_DEFAULT_RESERVE_BLOCKS 8
#define EXT4_DEFAULT_RESERVE_BLOCKS 8
/*max window size: 1024(direct blocks) + 3([t,d]indirect blocks) */
#define EXT4_MAX_RESERVE_BLOCKS 1027
#define EXT4_MAX_RESERVE_BLOCKS 1027
#define EXT4_RESERVE_WINDOW_NOT_ALLOCATED 0
/*
* Always enable hashed directories
@@ -204,12 +204,12 @@ struct ext4_group_desc
/* Used to pass group descriptor data when online resize is done */
struct ext4_new_group_input {
__u32 group; /* Group number for this data */
__u64 block_bitmap; /* Absolute block number of block bitmap */
__u64 inode_bitmap; /* Absolute block number of inode bitmap */
__u64 inode_table; /* Absolute block number of inode table start */
__u32 blocks_count; /* Total number of blocks in this group */
__u16 reserved_blocks; /* Number of reserved blocks in this group */
__u32 group; /* Group number for this data */
__u64 block_bitmap; /* Absolute block number of block bitmap */
__u64 inode_bitmap; /* Absolute block number of inode bitmap */
__u64 inode_table; /* Absolute block number of inode table start */
__u32 blocks_count; /* Total number of blocks in this group */
__u16 reserved_blocks; /* Number of reserved blocks in this group */
__u16 unused;
};
@@ -310,7 +310,7 @@ struct ext4_inode {
__u8 l_i_frag; /* Fragment number */
__u8 l_i_fsize; /* Fragment size */
__le16 l_i_file_acl_high;
__le16 l_i_uid_high; /* these 2 fields */
__le16 l_i_uid_high; /* these 2 fields */
__le16 l_i_gid_high; /* were reserved2[0] */
__u32 l_i_reserved2;
} linux2;
@@ -513,7 +513,14 @@ struct ext4_super_block {
/*150*/ __le32 s_blocks_count_hi; /* Blocks count */
__le32 s_r_blocks_count_hi; /* Reserved blocks count */
__le32 s_free_blocks_count_hi; /* Free blocks count */
__u32 s_reserved[169]; /* Padding to the end of the block */
__u16 s_min_extra_isize; /* All inodes have at least # bytes */
__u16 s_want_extra_isize; /* New inodes should reserve # bytes */
__u32 s_flags; /* Miscellaneous flags */
__u16 s_raid_stride; /* RAID stride */
__u16 s_mmp_interval; /* # seconds to wait in MMP checking */
__u64 s_mmp_block; /* Block for multi-mount protection */
__u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/
__u32 s_reserved[163]; /* Padding to the end of the block */
};
#ifdef __KERNEL__
@@ -780,9 +787,9 @@ void ext4_get_group_no_and_offset(struct super_block *sb, ext4_fsblk_t blocknr,
* Ok, these declarations are also in <linux/kernel.h> but none of the
* ext4 source programs needs to include it so they are duplicated here.
*/
# define NORET_TYPE /**/
# define ATTRIB_NORET __attribute__((noreturn))
# define NORET_AND noreturn,
# define NORET_TYPE /**/
# define ATTRIB_NORET __attribute__((noreturn))
# define NORET_AND noreturn,
/* balloc.c */
extern unsigned int ext4_block_group(struct super_block *sb,
include/linux/ext4_fs_extents.h
+3 -2
View File
@@ -151,8 +151,8 @@ typedef int (*ext_prepare_callback)(struct inode *, struct ext4_ext_path *,
((struct ext4_extent_idx *) (((char *) (__hdr__)) + \
sizeof(struct ext4_extent_header)))
#define EXT_HAS_FREE_INDEX(__path__) \
(le16_to_cpu((__path__)->p_hdr->eh_entries) \
< le16_to_cpu((__path__)->p_hdr->eh_max))
(le16_to_cpu((__path__)->p_hdr->eh_entries) \
< le16_to_cpu((__path__)->p_hdr->eh_max))
#define EXT_LAST_EXTENT(__hdr__) \
(EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_entries) - 1)
#define EXT_LAST_INDEX(__hdr__) \
@@ -190,6 +190,7 @@ ext4_ext_invalidate_cache(struct inode *inode)
extern int ext4_extent_tree_init(handle_t *, struct inode *);
extern int ext4_ext_calc_credits_for_insert(struct inode *, struct ext4_ext_path *);
extern unsigned int ext4_ext_check_overlap(struct inode *, struct ext4_extent *, struct ext4_ext_path *);
extern int ext4_ext_insert_extent(handle_t *, struct inode *, struct ext4_ext_path *, struct ext4_extent *);
extern int ext4_ext_walk_space(struct inode *, unsigned long, unsigned long, ext_prepare_callback, void *);
extern struct ext4_ext_path * ext4_ext_find_extent(struct inode *, int, struct ext4_ext_path *);
include/linux/ext4_fs_i.h
+3 -3
View File
@@ -41,14 +41,14 @@ struct ext4_reserve_window_node {
struct ext4_block_alloc_info {
/* information about reservation window */
struct ext4_reserve_window_node rsv_window_node;
struct ext4_reserve_window_node rsv_window_node;
/*
* was i_next_alloc_block in ext4_inode_info
* is the logical (file-relative) number of the
* most-recently-allocated block in this file.
* We use this for detecting linearly ascending allocation requests.
*/
__u32 last_alloc_logical_block;
__u32 last_alloc_logical_block;
/*
* Was i_next_alloc_goal in ext4_inode_info
* is the *physical* companion to i_next_alloc_block.
@@ -56,7 +56,7 @@ struct ext4_block_alloc_info {
* allocated to this file. This give us the goal (target) for the next
* allocation when we detect linearly ascending requests.
*/
ext4_fsblk_t last_alloc_physical_block;
ext4_fsblk_t last_alloc_physical_block;
};
#define rsv_start rsv_window._rsv_start