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| author | Mingming Cao <cmm@us.ibm.com> | 2006-10-11 01:21:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-11 11:14:16 -0700 |
| commit | 3a5b2ecdd1fa63a8f25bd769223bc1c2564ce45d (patch) | |
| tree | dc80fdde9ed01e77ef0ed6fdef7573d303bd07db /fs/ext4/balloc.c | |
| parent | a86c61812637c7dd0c57e29880cffd477b62f2e7 (diff) | |
| download | linux-3a5b2ecdd1fa63a8f25bd769223bc1c2564ce45d.tar.bz2 | |
[PATCH] ext4: switch fsblk to sector_t
Redefine ext3 in-kernel filesystem block type (ext3_fsblk_t) from unsigned
long to sector_t, to allow kernel to handle >32 bit ext3 blocks.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ext4/balloc.c')
| -rw-r--r-- | fs/ext4/balloc.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index e9e98449137b..aa33ff271fa9 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -147,7 +147,7 @@ restart: rsv = list_entry(n, struct ext4_reserve_window_node, rsv_node); if (verbose) printk("reservation window 0x%p " - "start: %lu, end: %lu\n", + "start: "E3FSBLK", end: "E3FSBLK"\n", rsv, rsv->rsv_start, rsv->rsv_end); if (rsv->rsv_start && rsv->rsv_start >= rsv->rsv_end) { printk("Bad reservation %p (start >= end)\n", @@ -443,10 +443,7 @@ void ext4_free_blocks_sb(handle_t *handle, struct super_block *sb, do_more: overflow = 0; - block_group = (block - le32_to_cpu(es->s_first_data_block)) / - EXT4_BLOCKS_PER_GROUP(sb); - bit = (block - le32_to_cpu(es->s_first_data_block)) % - EXT4_BLOCKS_PER_GROUP(sb); + ext4_get_group_no_and_offset(sb, block, &block_group, &bit); /* * Check to see if we are freeing blocks across a group * boundary. @@ -1404,7 +1401,7 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode, { struct buffer_head *bitmap_bh = NULL; struct buffer_head *gdp_bh; - int group_no; + unsigned long group_no; int goal_group; ext4_grpblk_t grp_target_blk; /* blockgroup relative goal block */ ext4_grpblk_t grp_alloc_blk; /* blockgroup-relative allocated block*/ @@ -1467,8 +1464,7 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode, if (goal < le32_to_cpu(es->s_first_data_block) || goal >= le32_to_cpu(es->s_blocks_count)) goal = le32_to_cpu(es->s_first_data_block); - group_no = (goal - le32_to_cpu(es->s_first_data_block)) / - EXT4_BLOCKS_PER_GROUP(sb); + ext4_get_group_no_and_offset(sb, goal, &group_no, &grp_target_blk); goal_group = group_no; retry_alloc: gdp = ext4_get_group_desc(sb, group_no, &gdp_bh); @@ -1485,8 +1481,6 @@ retry_alloc: my_rsv = NULL; if (free_blocks > 0) { - grp_target_blk = ((goal - le32_to_cpu(es->s_first_data_block)) % - EXT4_BLOCKS_PER_GROUP(sb)); bitmap_bh = read_block_bitmap(sb, group_no); if (!bitmap_bh) goto io_error; @@ -1613,7 +1607,7 @@ allocated: if (ret_block + num - 1 >= le32_to_cpu(es->s_blocks_count)) { ext4_error(sb, "ext4_new_block", "block("E3FSBLK") >= blocks count(%d) - " - "block_group = %d, es == %p ", ret_block, + "block_group = %lu, es == %p ", ret_block, le32_to_cpu(es->s_blocks_count), group_no, es); goto out; } @@ -1733,9 +1727,10 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb) static inline int block_in_use(ext4_fsblk_t block, struct super_block *sb, unsigned char *map) { - return ext4_test_bit ((block - - le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) % - EXT4_BLOCKS_PER_GROUP(sb), map); + ext4_grpblk_t offset; + + ext4_get_group_no_and_offset(sb, block, NULL, &offset); + return ext4_test_bit (offset, map); } static inline int test_root(int a, int b) |