xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] ext4: 64bit metadata

Browse Source 
In-kernel super block changes to support >32 bit free blocks numbers.

Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Laurent Vivier
2006-10-11 01:21:10 -07:00
committed by Linus Torvalds
parent a1ddeb7eae
commit bd81d8eec0
6 changed files with 201 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
fs/ext4/balloc.c
View File

@@ -99,12 +99,13 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
desc = ext4_get_group_desc (sb, block_group, NULL);
if (!desc)
goto error_out;
bh = sb_bread(sb, le32_to_cpu(desc->bg_block_bitmap));
bh = sb_bread(sb, ext4_block_bitmap(desc));
if (!bh)
ext4_error (sb, "read_block_bitmap",
"Cannot read block bitmap - "
"block_group = %d, block_bitmap = %u",
block_group, le32_to_cpu(desc->bg_block_bitmap));
"block_group = %d, block_bitmap = "E3FSBLK,
block_group,
ext4_block_bitmap(desc));
error_out:
return bh;
}
@@ -432,14 +433,14 @@ void ext4_free_blocks_sb(handle_t *handle, struct super_block *sb,
es = sbi->s_es;
if (block < le32_to_cpu(es->s_first_data_block) ||
block + count < block ||
block + count > le32_to_cpu(es->s_blocks_count)) {
block + count > ext4_blocks_count(es)) {
ext4_error (sb, "ext4_free_blocks",
"Freeing blocks not in datazone - "
"block = "E3FSBLK", count = %lu", block, count);
goto error_return;
}
ext4_debug ("freeing block(s) %lu-%lu\n", block, block + count - 1);
ext4_debug ("freeing block(s) %llu-%llu\n", block, block + count - 1);
do_more:
overflow = 0;
@@ -460,12 +461,11 @@ do_more:
if (!desc)
goto error_return;
if (in_range (le32_to_cpu(desc->bg_block_bitmap), block, count) ||
in_range (le32_to_cpu(desc->bg_inode_bitmap), block, count) ||
in_range (block, le32_to_cpu(desc->bg_inode_table),
sbi->s_itb_per_group) ||
in_range (block + count - 1, le32_to_cpu(desc->bg_inode_table),
sbi->s_itb_per_group))
if (in_range(ext4_block_bitmap(desc), block, count) ||
in_range(ext4_inode_bitmap(desc), block, count) ||
in_range(block, ext4_inode_table(desc), sbi->s_itb_per_group) ||
in_range(block + count - 1, ext4_inode_table(desc),
sbi->s_itb_per_group))
ext4_error (sb, "ext4_free_blocks",
"Freeing blocks in system zones - "
"Block = "E3FSBLK", count = %lu",
@@ -552,8 +552,8 @@ do_more:
bit + i, bitmap_bh->b_data)) {
jbd_unlock_bh_state(bitmap_bh);
ext4_error(sb, __FUNCTION__,
"bit already cleared for block "E3FSBLK,
block + i);
"bit already cleared for block "E3FSBLK,
(ext4_fsblk_t)(block + i));
jbd_lock_bh_state(bitmap_bh);
BUFFER_TRACE(bitmap_bh, "bit already cleared");
} else {
@@ -1351,7 +1351,7 @@ static int ext4_has_free_blocks(struct ext4_sb_info *sbi)
ext4_fsblk_t free_blocks, root_blocks;
free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
root_blocks = ext4_r_blocks_count(sbi->s_es);
if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
sbi->s_resuid != current->fsuid &&
(sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
@@ -1462,7 +1462,7 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
* First, test whether the goal block is free.
*/
if (goal < le32_to_cpu(es->s_first_data_block) ||
goal >= le32_to_cpu(es->s_blocks_count))
goal >= ext4_blocks_count(es))
goal = le32_to_cpu(es->s_first_data_block);
ext4_get_group_no_and_offset(sb, goal, &group_no, &grp_target_blk);
goal_group = group_no;
@@ -1561,12 +1561,12 @@ allocated:
ret_block = grp_alloc_blk + ext4_group_first_block_no(sb, group_no);
if (in_range(le32_to_cpu(gdp->bg_block_bitmap), ret_block, num) ||
in_range(le32_to_cpu(gdp->bg_inode_bitmap), ret_block, num) ||
in_range(ret_block, le32_to_cpu(gdp->bg_inode_table),
EXT4_SB(sb)->s_itb_per_group) ||
in_range(ret_block + num - 1, le32_to_cpu(gdp->bg_inode_table),
EXT4_SB(sb)->s_itb_per_group))
if (in_range(ext4_block_bitmap(gdp), ret_block, num) ||
in_range(ext4_block_bitmap(gdp), ret_block, num) ||
in_range(ret_block, ext4_inode_table(gdp),
EXT4_SB(sb)->s_itb_per_group) ||
in_range(ret_block + num - 1, ext4_inode_table(gdp),
EXT4_SB(sb)->s_itb_per_group))
ext4_error(sb, "ext4_new_block",
"Allocating block in system zone - "
"blocks from "E3FSBLK", length %lu",
@@ -1604,11 +1604,11 @@ allocated:
jbd_unlock_bh_state(bitmap_bh);
#endif
if (ret_block + num - 1 >= le32_to_cpu(es->s_blocks_count)) {
if (ret_block + num - 1 >= ext4_blocks_count(es)) {
ext4_error(sb, "ext4_new_block",
"block("E3FSBLK") >= blocks count(%d) - "
"block("E3FSBLK") >= blocks count("E3FSBLK") - "
"block_group = %lu, es == %p ", ret_block,
le32_to_cpu(es->s_blocks_count), group_no, es);
ext4_blocks_count(es), group_no, es);
goto out;
}
@@ -1707,7 +1707,7 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb)
brelse(bitmap_bh);
printk("ext4_count_free_blocks: stored = "E3FSBLK
", computed = "E3FSBLK", "E3FSBLK"\n",
le32_to_cpu(es->s_free_blocks_count),
EXT4_FREE_BLOCKS_COUNT(es),
desc_count, bitmap_count);
return bitmap_count;
#else