From: Zheng Liu <wenqing.lz@xxxxxxxxxx>
Now punch command only can remove all inline data because now
punch command is based on block unit and the size of inline data is
never beyond a block size.
Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
---
lib/ext2fs/ext2fsP.h | 1 +
lib/ext2fs/inline_data.c | 2 +-
lib/ext2fs/punch.c | 28 +++++++++++++++++++++++++++-
3 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/lib/ext2fs/ext2fsP.h b/lib/ext2fs/ext2fsP.h
index b2da21a..bfc321c 100644
--- a/lib/ext2fs/ext2fsP.h
+++ b/lib/ext2fs/ext2fsP.h
@@ -91,6 +91,7 @@ extern int ext2fs_process_dir_block(ext2_filsys fs,
extern errcode_t ext2fs_inline_data_init(ext2_filsys fs, ext2_ino_t ino);
extern errcode_t ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino,
size_t *size);
+extern errcode_t ext2fs_inline_data_ea_remove(ext2_filsys fs, ext2_ino_t ino);
extern errcode_t ext2fs_inline_data_expand(ext2_filsys fs, ext2_ino_t ino);
extern errcode_t ext2fs_inline_data_dir_iterate(ext2_filsys fs,
ext2_ino_t ino,
diff --git a/lib/ext2fs/inline_data.c b/lib/ext2fs/inline_data.c
index 527a52d..16af814 100644
--- a/lib/ext2fs/inline_data.c
+++ b/lib/ext2fs/inline_data.c
@@ -207,7 +207,7 @@ out:
return retval & BLOCK_ERROR ? ctx->errcode : 0;
}
-static errcode_t ext2fs_inline_data_ea_remove(ext2_filsys fs, ext2_ino_t ino)
+errcode_t ext2fs_inline_data_ea_remove(ext2_filsys fs, ext2_ino_t ino)
{
struct ext2_xattr_handle *handle;
errcode_t retval;
diff --git a/lib/ext2fs/punch.c b/lib/ext2fs/punch.c
index 4471f46..d6c9004 100644
--- a/lib/ext2fs/punch.c
+++ b/lib/ext2fs/punch.c
@@ -300,6 +300,30 @@ errout:
return retval;
}
+static errcode_t ext2fs_punch_inline_data(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode,
+ blk64_t start, blk64_t end)
+{
+ errcode_t retval;
+
+ /*
+ * In libext2fs ext2fs_punch is based on block unit. So that
+ * means that if start > 0 we don't need to do nothing. Due
+ * to this we will remove all inline data in ext2fs_punch()
+ * now.
+ */
+ if (start > 0)
+ return 0;
+
+ memset((char *)inode->i_block, 0, EXT4_MIN_INLINE_DATA_SIZE);
+ inode->i_size = 0;
+ retval = ext2fs_write_inode(fs, ino, inode);
+ if (retval)
+ return retval;
+
+ return ext2fs_inline_data_ea_remove(fs, ino);
+}
+
/*
* Deallocate all logical blocks starting at start to end, inclusive.
* If end is ~0, then this is effectively truncate.
@@ -322,7 +346,9 @@ extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino,
return retval;
inode = &inode_buf;
}
- if (inode->i_flags & EXT4_EXTENTS_FL)
+ if (inode->i_flags & EXT4_INLINE_DATA_FL)
+ return ext2fs_punch_inline_data(fs, ino, inode, start, end);
+ else if (inode->i_flags & EXT4_EXTENTS_FL)
retval = ext2fs_punch_extent(fs, ino, inode, start, end);
else {
blk_t count;
--
1.7.9.7
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