From: Zheng Liu <wenqing.lz@xxxxxxxxxx>
If there is an inode with inline data, we just print the size of inline
data in stat command.
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
---
debugfs/debugfs.c | 11 +++++++++++
lib/ext2fs/ext2fs.h | 1 +
lib/ext2fs/inline_data.c | 27 +++++++++++++++++++++++++++
3 files changed, 39 insertions(+)
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index 969dbe0..2837ee6 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -704,6 +704,15 @@ static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
fprintf(f, "\n");
}
+static void dump_inline_data(FILE *out, const char *prefix, ext2_ino_t inode_num)
+{
+ int size;
+
+ fprintf(out, "%sINLINE DATA:\n %s", prefix, prefix);
+ size = ext2fs_inline_data_get_size(current_fs, inode_num);
+ fprintf(out, " The size of inline data: %d", size);
+}
+
void internal_dump_inode(FILE *out, const char *prefix,
ext2_ino_t inode_num, struct ext2_inode *inode,
int do_dump_blocks)
@@ -837,6 +846,8 @@ void internal_dump_inode(FILE *out, const char *prefix,
if (inode->i_flags & EXT4_EXTENTS_FL)
dump_extents(out, prefix, inode_num,
DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
+ else if (inode->i_flags & EXT4_INLINE_DATA_FL)
+ dump_inline_data(out, prefix, inode_num);
else
dump_blocks(out, prefix, inode_num);
}
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 7b05b48..6e3bf6e 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -1344,6 +1344,7 @@ extern errcode_t ext2fs_get_memalign(unsigned long size,
/* inline_data.c */
extern int ext2fs_inode_has_inline_data(ext2_filsys fs, ext2_ino_t ino);
+extern int ext2fs_inline_data_get_size(ext2_filsys fs, ext2_ino_t ino);
extern errcode_t ext2fs_inline_data_iterate(ext2_filsys fs,
ext2_ino_t ino,
int flags,
diff --git a/lib/ext2fs/inline_data.c b/lib/ext2fs/inline_data.c
index 922c959..1220418 100644
--- a/lib/ext2fs/inline_data.c
+++ b/lib/ext2fs/inline_data.c
@@ -80,6 +80,33 @@ int ext2fs_inode_has_inline_data(ext2_filsys fs, ext2_ino_t ino)
return (inode.i_flags & EXT4_INLINE_DATA_FL);
}
+int ext2fs_inline_data_get_size(ext2_filsys fs, ext2_ino_t ino)
+{
+ struct ext2_inode_large *inode;
+ struct inline_data data;
+ errcode_t retval = 0;
+ int size = 0;
+
+ retval = ext2fs_get_mem(EXT2_INODE_SIZE(fs->super), &inode);
+ if (retval)
+ return 0;
+ retval = ext2fs_read_inode_full(fs, ino, (void *)inode,
+ EXT2_INODE_SIZE(fs->super));
+ if (retval)
+ goto out;
+
+ if (inode->i_flags & EXT4_INLINE_DATA_FL) {
+ retval = ext2fs_inline_data_find(fs, inode, &data);
+ if (retval)
+ goto out;
+ size = data.inline_size;
+ }
+
+out:
+ ext2fs_free_mem(&inode);
+ return size;
+}
+
errcode_t ext2fs_inline_data_iterate(ext2_filsys fs,
ext2_ino_t ino,
int flags,
--
1.7.9.7
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