diff options
Diffstat (limited to 'fs/ext4/ext4_common.c')
| -rw-r--r-- | fs/ext4/ext4_common.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index 9cbe3dbb1a..f35eebc217 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -506,13 +506,24 @@ int ext4fs_mount(struct ext_filesystem *fs) goto fail; } - if (le32_to_cpu(data->sblock.revision_level) == 0) + if (le32_to_cpu(data->sblock.revision_level) == 0) { fs->inodesz = 128; - else + fs->gdsize = 32; + } else { + debug("EXT4 features COMPAT: %08x INCOMPAT: %08x RO_COMPAT: %08x\n", + le32_to_cpu(data->sblock.feature_compatibility), + le32_to_cpu(data->sblock.feature_incompat), + le32_to_cpu(data->sblock.feature_ro_compat)); + fs->inodesz = le16_to_cpu(data->sblock.inode_size); + fs->gdsize = le32_to_cpu(data->sblock.feature_incompat) & + EXT4_FEATURE_INCOMPAT_64BIT ? + le16_to_cpu(data->sblock.descriptor_size) : 32; + } - dev_info(fs->dev, "EXT2 rev %d, inode_size %d\n", - le32_to_cpu(data->sblock.revision_level), fs->inodesz); + dev_info(fs->dev, "EXT2 rev %d, inode_size %d, descriptor size %d\n", + le32_to_cpu(data->sblock.revision_level), + fs->inodesz, fs->gdsize); data->diropen.data = data; data->diropen.ino = 2; |