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| author | Theodore Ts'o <tytso@mit.edu> | 2011-02-25 21:43:54 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-02-25 21:43:54 -0500 |
| commit | 412376efff3c0e0c2fea00666c2457e6f2ae1878 (patch) | |
| tree | 94f5cd4406a887a355edb3311183b59272549250 /lib/e2p | |
| parent | 0edcc2702106ef8ea0d4ab60ef06c0c38b0b87ee (diff) | |
| download | e2fsprogs-412376efff3c0e0c2fea00666c2457e6f2ae1878.tar.gz | |
Add basic BIGALLOC support for cluster-based allocation
This adds the superblock fields needed so that dumpe2fs works and the
code points and renames the superblock fields from describing
fragments to clusters.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'lib/e2p')
| -rw-r--r-- | lib/e2p/feature.c | 2 | ||||
| -rw-r--r-- | lib/e2p/ls.c | 14 |
2 files changed, 14 insertions, 2 deletions
diff --git a/lib/e2p/feature.c b/lib/e2p/feature.c index 9324199b..16fba53a 100644 --- a/lib/e2p/feature.c +++ b/lib/e2p/feature.c @@ -57,6 +57,8 @@ static struct feature feature_list[] = { "extra_isize" }, { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_QUOTA, "quota" }, + { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_BIGALLOC, + "bigalloc"}, { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_COMPRESSION, "compression" }, diff --git a/lib/e2p/ls.c b/lib/e2p/ls.c index 8b8360a8..04a2c715 100644 --- a/lib/e2p/ls.c +++ b/lib/e2p/ls.c @@ -229,12 +229,22 @@ void list_super2(struct ext2_super_block * sb, FILE *f) fprintf(f, "Free inodes: %u\n", sb->s_free_inodes_count); fprintf(f, "First block: %u\n", sb->s_first_data_block); fprintf(f, "Block size: %u\n", EXT2_BLOCK_SIZE(sb)); - fprintf(f, "Fragment size: %u\n", EXT2_FRAG_SIZE(sb)); + if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) + fprintf(f, "Cluster size: %u\n", + EXT2_CLUSTER_SIZE(sb)); + else + fprintf(f, "Fragment size: %u\n", + EXT2_CLUSTER_SIZE(sb)); if (sb->s_reserved_gdt_blocks) fprintf(f, "Reserved GDT blocks: %u\n", sb->s_reserved_gdt_blocks); fprintf(f, "Blocks per group: %u\n", sb->s_blocks_per_group); - fprintf(f, "Fragments per group: %u\n", sb->s_frags_per_group); + if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) + fprintf(f, "Clusters per group: %u\n", + sb->s_clusters_per_group); + else + fprintf(f, "Fragments per group: %u\n", + sb->s_clusters_per_group); fprintf(f, "Inodes per group: %u\n", sb->s_inodes_per_group); fprintf(f, "Inode blocks per group: %u\n", inode_blocks_per_group); if (sb->s_raid_stride) |