From: Stephen Warren <swar...@nvidia.com>
Commit 50ce4c0 "fs/ext4: Support device block sizes != 512 bytes"
modified ext4fs_set_blk_dev() to calculate total_sect based on
get_fs()->dev_desc->log2blksz rather than SECTOR_SIZE. However, this
value wasn't yet assigned. Move the assignment earlier so the code
doesn't crash or hang.
Cc: Egbert Eich <e...@suse.com>
Signed-off-by: Stephen Warren <swar...@nvidia.com>
---
fs/ext4/dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/dev.c b/fs/ext4/dev.c
index 3e993cc..81b7633 100644
--- a/fs/ext4/dev.c
+++ b/fs/ext4/dev.c
@@ -51,11 +51,11 @@ void ext4fs_set_blk_dev(block_dev_desc_t *rbdd,
disk_partition_t *info)
{
assert(rbdd->blksz == (1 << rbdd->log2blksz));
ext4fs_block_dev_desc = rbdd;
+ get_fs()->dev_desc = rbdd;
part_info = info;
part_offset = info->start;
get_fs()->total_sect = (info->size * info->blksz) >>
get_fs()->dev_desc->log2blksz;
- get_fs()->dev_desc = rbdd;
}
int ext4fs_devread(int sector, int byte_offset, int byte_len, char *buf)
--
1.7.10.4
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