lgcosta/reiserfsprogs
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Imported reiserfsprogs-3.6.4

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Jeff Mahoney committed 2012-10-11 11:28:37 -04:00
1 parent b69459eb80
commit 99c89460c3
52 files changed
+2263 -2407
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include/reiserfs_fs.h
+25 -15
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@@ -426,6 +426,8 @@ struct reiserfs_journal_header {
__u32 jh_mount_id ;
struct journal_params jh_journal;
__u32 jh_last_check_mount_id; /* the mount id of the fs during the last reiserfsck --check. */
};
@@ -492,11 +494,9 @@ struct offset_v2 {
} __attribute__ ((__packed__));
/* Key of the object drop determines its location in the S+tree, and is
composed of 4 components */
/* Key of the object determines object's location in the tree, composed of 4 components */
struct key {
__u32 k2_dir_id; /* packing locality: by default parent directory object
id */
__u32 k2_dir_id; /* packing locality: by default parent directory object id */
__u32 k2_objectid; /* object identifier */
union {
struct offset_v1 k2_offset_v1;
@@ -640,9 +640,11 @@ void set_ih_key_format (struct item_head * ih, __u16 val);
( ! not_of_one_file(p_s_ih, p_s_key) && \
I_OFF_BYTE_IN_ITEM(p_s_ih, get_offset (p_s_key), n_blocksize) )
#define IH_Bad 0
#define IH_Unreachable 1
#define IH_WAS_TAIL 2
#define IH_Unreachable 0
#define IH_Was_Tail 1
#define IH_Checked 2
#define IH_Writable 3
/* Bad item flag is set temporary by recover_leaf */
/*
@@ -670,16 +672,23 @@ extern_inline __u16 unmark_item_bad( struct item_head *ih )
/* Unreachable bit is set on tree rebuilding and is cleared in semantic pass */
#define clean_ih_flags(ih) set_ih_flags (ih, 0)
#define ih_reachable(ih) (!(get_ih_flags (ih) & (1 << IH_Unreachable)))
#define ih_reachable(ih) (!(get_ih_flags (ih) & (1 << IH_Unreachable)))
#define mark_ih_reachable(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Unreachable))
#define mark_ih_unreachable(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Unreachable))
#define ih_was_tail(ih) (get_ih_flags (ih) & (1 << IH_WAS_TAIL))
#define mark_ih_was_tail(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_WAS_TAIL))
#define mark_ih_become_tail(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_WAS_TAIL))
#define ih_was_tail(ih) (get_ih_flags (ih) & (1 << IH_Was_Tail))
#define mark_ih_was_tail(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Was_Tail))
#define mark_ih_become_tail(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Was_Tail))
#define ih_checked(ih) (get_ih_flags (ih) & (1 << IH_Checked))
#define mark_ih_checked(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Checked))
#define clear_ih_checked(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Checked))
/* maximal length of item */
#define ih_writable(ih) (get_ih_flags (ih) & (1 << IH_Writable))
#define mark_ih_writable(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Writable))
#define clear_ih_writable(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Writable))
/* maximal length of item */
#define MAX_ITEM_LEN(block_size) (block_size - BLKH_SIZE - IH_SIZE)
#define MIN_ITEM_LEN 1
@@ -690,7 +699,7 @@ extern_inline __u16 unmark_item_bad( struct item_head *ih )
/*
* Picture represents a leaf of the S+tree
* Picture represents a leaf of internal tree
* ______________________________________________________
* | | Array of | | |
* |Block | Object-Item | F r e e | Objects- |
@@ -837,7 +846,7 @@ struct stat_data {
//
#define SD_SIZE (sizeof(struct stat_data))
// there are two ways: to check length of item or ih_version field
// there are two ways: to check length of item or ih_format field
// (for old stat data it is set to 0 (KEY_FORMAT_1))
#define stat_data_v1(ih) (get_ih_key_format (ih) == KEY_FORMAT_1)
@@ -1424,7 +1433,8 @@ struct buffer_info {
/* get stat-data */
#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_V1_SIZE - UNFM_P_SIZE)
#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)
/* indirect items consist of entries which contain blocknrs, pos
indicates which entry, and B_I_POS_UNFM_POINTER resolves to the