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Imported reiserfsprogs-3.6.9

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This commit is contained in:
Jeff Mahoney committed 2012-10-11 11:29:29 -04:00
1 parent 99c89460c3
commit cccefa4d84
86 files changed
+13393 -6954
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include/reiserfs_fs.h
+56 -52
View File
@@ -1,7 +1,8 @@
/*
* Copyright 1996-2002 by Hans Reiser, licensing governed by reiserfs/README
* Copyright 1996-2003 by Hans Reiser, licensing governed by
* reiserfsprogs/README
*/
/*
* Reiser File System constants and structures
*/
@@ -167,8 +168,8 @@ struct reiserfs_super_block_v1
/* values for sb_mount_state field */
#define REISERFS_CLEANLY_UMOUNTED 1 /* this was REISERFS_VALID_FS */
#define REISERFS_NOT_CLEANLY_UMOUNTED 2 /* this was REISERFS_ERROR. It
#define FS_CLEANLY_UMOUNTED 1 /* this was REISERFS_VALID_FS */
#define FS_NOT_CLEANLY_UMOUNTED 2 /* this was REISERFS_ERROR. It
means that filesystem was not
cleanly unmounted */
@@ -244,9 +245,10 @@ typedef enum {
#define get_sb_v2_inode_generation(sb) get_le32 (sb, sb_inode_generation)
#define set_sb_v2_inode_generation(sb,val) set_le32 (sb, sb_inode_generation, val)
//#define get_sb_v2_flag(sb, flag) test_bit ((flag), &((struct reiserfs_super_block *)sb)->s_flags)
//#define set_sb_v2_flag(sb, flag) set_bit ((flag), &((struct reiserfs_super_block *)sb)->s_flags)
#define get_sb_v2_flag(sb, flag) (get_le32 (sb, s_flags) & flag)
#define get_sb_v2_flags(sb) get_le32 (sb, s_flags)
#define set_sb_v2_flags(sb, val) set_le32 (sb, s_flags, val)
#define get_sb_v2_flag(sb, flag) (get_le32 (sb, s_flags) & flag)
#define set_sb_v2_flag(sb, flag) set_le32 (sb, s_flags, get_le32 (sb, s_flags) | flag)
#define clear_sb_v2_flag(sb, flag) set_le32 (sb, s_flags, get_le32 (sb, s_flags) & ~(flag))
@@ -255,22 +257,20 @@ typedef enum {
*/
/* these are possible values for sb_fs_state */
#define REISERFS_CONSISTENT 0 /* this is set by mkreiserfs and by reiserfsck */
#define REISERFS_CORRUPTED 0x1 /* this will be set by kernel code when it
encounters suspicious metadata */
#define PASS_0_DONE 0xfaa1 /* set by fsck when pass-by-pass (-d),
REISERFS_CORRUPTED flag included */
#define PASS_1_DONE 0xfaa3 /* set by fsck when pass-by-pass (-d),
REISERFS_CORRUPTED flag included */
#define TREE_IS_BUILT 0xfaa5 /* set by fsck when pass-by-pass (-d),
REISERFS_CORRUPTED flag included */
#define SEMANTIC_DONE 0xfaa7 /* set by fsck when pass-by-pass (-d),
REISERFS_CORRUPTED flag included */
#define LOST_FOUND_DONE 0xfaa9 /* set by fsck when pass-by-pass (-d),
REISERFS_CORRUPTED flag included */
//#define FIX_FIXABLE_IS_ALLOWED 0xfaa7
#define FS_CONSISTENT 0x0 /* this is set by mkreiserfs and by reiserfsck */
#define FS_ERROR 0x1 /* this is set by the kernel when fsck is wanted. */
#define FS_FATAL 0x2 /* this is set by fsck when fatal corruption is found */
#define IO_ERROR 0x4 /* this is set by kernel when io error occures */
#define PASS_0_DONE 0xfa02 /* set by fsck when pass-by-pass (-d),
FS_FATAL flag included */
#define PASS_1_DONE 0xfb02 /* set by fsck when pass-by-pass (-d),
FS_FATAL flag included */
#define TREE_IS_BUILT 0xfc02 /* set by fsck when pass-by-pass (-d),
FS_FATAL flag included */
#define SEMANTIC_DONE 0xfd02 /* set by fsck when pass-by-pass (-d),
FS_FATAL flag included */
#define LOST_FOUND_DONE 0xfe02 /* set by fsck when pass-by-pass (-d),
FS_FATAL flag included */
/* struct stat_data* access macros */
/* v1 */
@@ -462,7 +462,7 @@ struct reiserfs_journal_header {
blocksize * 8 - (block_of_super_block + 1 + 1 + 1)
#define journal_default_size(block_of_super_block,blocksize) \
((8192 > journal_max_size (block_of_super_block,blocksize)) ? \
(unsigned long long)((8192 > journal_max_size (block_of_super_block,blocksize)) ? \
journal_max_size (block_of_super_block,blocksize) : 8192)
//#define JOURNAL_DEFAULT_SIZE 8192 number of blocks in the journal
@@ -555,6 +555,8 @@ struct key {
#define TYPE_UNKNOWN 15
/* special type for symlink not conflicting to any of item types. */
#define TYPE_SYMLINK 4
#define KEY_FORMAT_1 0
#define KEY_FORMAT_2 1
@@ -1062,12 +1064,12 @@ struct path_element {
};
#define MAX_HEIGHT 5 /* maximal height of a tree. don't change this without changing JOURNAL_PER_BALANCE_CNT */
#define EXTENDED_MAX_HEIGHT 7 /* Must be equals MAX_HEIGHT + FIRST_PATH_ELEMENT_OFFSET */
#define FIRST_PATH_ELEMENT_OFFSET 2 /* Must be equal to at least 2. */
#define MAX_HEIGHT 6
#define FIRST_PATH_ELEMENT_OFFSET 2
#define EXTENDED_MAX_HEIGHT (MAX_HEIGHT + FIRST_PATH_ELEMENT_OFFSET)
#define ILLEGAL_PATH_ELEMENT_OFFSET 1 /* Must be equal to FIRST_PATH_ELEMENT_OFFSET - 1 */
#define MAX_FEB_SIZE 6 /* this MUST be MAX_HEIGHT + 1. See about FEB below */
#define ILLEGAL_PATH_ELEMENT_OFFSET 1
#define MAX_FEB_SIZE (MAX_HEIGHT + 1)
@@ -1081,9 +1083,9 @@ struct path_element {
in it, especially about decrement_counters_in_path(), to understand
this structure. */
struct path {
int path_length; /* Length of the array above. */
unsigned int path_length; /* Length of the array above. */
struct path_element path_elements[EXTENDED_MAX_HEIGHT]; /* Array of the path elements. */
int pos_in_item;
unsigned int pos_in_item;
};
#define INITIALIZE_PATH(var) \
@@ -1136,21 +1138,21 @@ struct path var = {ILLEGAL_PATH_ELEMENT_OFFSET, }
// search_by_key (and clones) and fix_nodes error code
#define CARRY_ON 0
#define IO_ERROR 3
#define CARRY_ON 0
#define NO_DISK_SPACE 4
#define NO_BALANCING_NEEDED 5
#define ITEM_FOUND 6
#define ITEM_NOT_FOUND 7
#define GOTO_PREVIOUS_ITEM 10
#define POSITION_FOUND_INVISIBLE 11
#define FILE_NOT_FOUND 12
#define NO_DISK_SPACE 3
/* #define IO_ERROR 0x4 - defined above as 0x4 */
#define NO_BALANCING_NEEDED 5
#define ITEM_FOUND 6
#define ITEM_NOT_FOUND 7
#define GOTO_PREVIOUS_ITEM 10
#define POSITION_FOUND_INVISIBLE 11
#define FILE_NOT_FOUND 12
// used by fsck
#define DIRECTORY_NOT_FOUND 13
#define REGULAR_FILE_FOUND 14
#define DIRECTORY_FOUND 15
#define DIRECTORY_NOT_FOUND 13
#define REGULAR_FILE_FOUND 14
#define DIRECTORY_FOUND 15
struct unfm_nodeinfo {
@@ -1167,17 +1169,19 @@ struct unfm_nodeinfo {
#define MAX_KEY2_OFFSET 0xfffffffffffffffLL
/* this is aggressive tail suppression policy taken from the kernel */
/* It should be MAX_DIRECT_ITEM_LEN used here, but sometimes it is not enough,
* and items got deleted. */
#define STORE_TAIL_IN_UNFM(n_file_size,n_tail_size,n_block_size) \
(\
(!(n_tail_size)) || \
(((n_tail_size) > MAX_DIRECT_ITEM_LEN(n_block_size)) || \
(((n_tail_size) > MAX_ITEM_LEN(n_block_size)) || \
( (n_file_size) >= (n_block_size) * 4 ) || \
( ( (n_file_size) >= (n_block_size) * 3 ) && \
( (n_tail_size) >= (MAX_DIRECT_ITEM_LEN(n_block_size))/4) ) || \
( (n_tail_size) >= (MAX_ITEM_LEN(n_block_size))/4) ) || \
( ( (n_file_size) >= (n_block_size) * 2 ) && \
( (n_tail_size) >= (MAX_DIRECT_ITEM_LEN(n_block_size))/2) ) || \
( (n_tail_size) >= (MAX_ITEM_LEN(n_block_size))/2) ) || \
( ( (n_file_size) >= (n_block_size) ) && \
( (n_tail_size) >= (MAX_DIRECT_ITEM_LEN(n_block_size) * 3)/4) ) ) \
( (n_tail_size) >= (MAX_ITEM_LEN(n_block_size) * 3)/4) ) ) \
)
@@ -1434,7 +1438,7 @@ struct buffer_info {
#define B_I_STAT_DATA(bh, ih) ( (struct stat_data * )B_I_PITEM(bh,ih) )
#define MAX_DIRECT_ITEM_LEN(size) ((size) - BLKH_SIZE - 2*IH_SIZE - SD_SIZE - UNFM_P_SIZE)
#define MAX_INDIRECT_ITEM_LEN(size) ((size) - BLKH_SIZE - IH_SIZE)
#define MAX_INDIRECT_ITEM_LEN(size) MAX_ITEM_LEN(size)
/* indirect items consist of entries which contain blocknrs, pos
indicates which entry, and B_I_POS_UNFM_POINTER resolves to the
@@ -1532,7 +1536,7 @@ void make_empty_leaf (struct buffer_head *);
struct buffer_head * get_FEB (struct tree_balance *);
__u64 get_bytes_number (struct item_head * ih, int blocksize);
__u32 get_bytes_number (struct item_head * ih, int blocksize);
@@ -1545,9 +1549,9 @@ __u32 r5_hash (const char *msg, int len);
/* node_format.c */
int get_journal_old_start_must (reiserfs_filsys_t * fs);
int get_journal_new_start_must (reiserfs_filsys_t * fs);
int get_journal_start_must (reiserfs_filsys_t * fs);
extern unsigned int get_journal_old_start_must (reiserfs_filsys_t * fs);
extern unsigned int get_journal_new_start_must (reiserfs_filsys_t * fs);
extern unsigned int get_journal_start_must (reiserfs_filsys_t * fs);
/*extern hashf_t hashes [];*/