From: Zheng Liu <wenqing.lz@xxxxxxxxxx>
If an inode has inline data, bmap command will return the physical block of this
inode.
Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
---
lib/ext2fs/bmap.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/lib/ext2fs/bmap.c b/lib/ext2fs/bmap.c
index 16d51e0..4746a1f 100644
--- a/lib/ext2fs/bmap.c
+++ b/lib/ext2fs/bmap.c
@@ -264,6 +264,21 @@ errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode,
block_buf = buf;
}
+ if (inode->i_flags & EXT4_INLINE_DATA_FL) {
+ unsigned long group, block, offset;
+
+ group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super);
+ if (group > fs->group_desc_count)
+ return EXT2_ET_BAD_INODE_NUM;
+ offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) *
+ EXT2_INODE_SIZE(fs->super);
+ block = offset >> EXT2_BLOCK_SIZE_BITS(fs->super);
+ if (!ext2fs_inode_table_loc(fs, (unsigned) group))
+ return EXT2_ET_MISSING_INODE_TABLE;
+ *phys_blk = ext2fs_inode_table_loc(fs, group) + block;
+ goto done;
+ }
+
if (inode->i_flags & EXT4_EXTENTS_FL) {
retval = ext2fs_extent_open2(fs, ino, inode, &handle);
if (retval)
--
1.7.4.1
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