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ext4fs: use EXT2_BLOCK_SIZE instead of fs->blksz

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Using fs->blksz in ext4fs_get_extent_block() is not
correct since fs->blksz is not initialized on the
read path. Use EXT2_BLOCK_SIZE() instead which will
produce the desired output.

Signed-off-by: Ionut Nicu <ioan.nicu.ext@nsn.com>
Signed-off-by: Mathias Rulf <mathias.rulf@nsn.com>
This commit is contained in:
Ionut Nicu 2014-01-13 11:59:24 +01:00 • committed by Tom Rini
parent c47817be25
commit 470173274d
1 changed files with 2 additions and 2 deletions
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4
fs/ext4/ext4_common.c
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@ -1414,7 +1414,7 @@ static struct ext4_extent_header *ext4fs_get_extent_block
{
struct ext4_extent_idx *index;
unsigned long long block;
struct ext_filesystem *fs = get_fs();
int blksz = EXT2_BLOCK_SIZE(data);
int i;
while (1) {
@ -1438,7 +1438,7 @@ static struct ext4_extent_header *ext4fs_get_extent_block
block = le16_to_cpu(index[i].ei_leaf_hi);
block = (block << 32) + le32_to_cpu(index[i].ei_leaf_lo);
if (ext4fs_devread((lbaint_t)block << log2_blksz, 0, fs->blksz,
if (ext4fs_devread((lbaint_t)block << log2_blksz, 0, blksz,
buf))
ext_block = (struct ext4_extent_header *)buf;
else