From: Zheng Liu <wenqing.lz@xxxxxxxxxx>
If inode includes inline_data flag, start and end arguments will be ignored.
Meanwhile we truncate inline data.
Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
---
lib/ext2fs/punch.c | 33 ++++++++++++++++++++++++++++++++-
1 files changed, 32 insertions(+), 1 deletions(-)
diff --git a/lib/ext2fs/punch.c b/lib/ext2fs/punch.c
index b53653a..28967a4 100644
--- a/lib/ext2fs/punch.c
+++ b/lib/ext2fs/punch.c
@@ -281,6 +281,34 @@ errout:
ext2fs_extent_free(handle);
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)
+{
+ struct ext2_inode_large large_inode;
+ struct inline_data idata;
+ errcode_t retval;
+ int inline_size;
+
+ retval = ext2fs_read_inode_full(fs, ino, (void *)&large_inode,
+ EXT2_INODE_SIZE(fs->super));
+ if (retval)
+ return retval;
+
+ ext2fs_iget_extra_inode(fs, &large_inode, &idata);
+
+ inline_size = idata.inline_size;
+ retval = inline_data_destory_data(fs, ino, &large_inode, &idata);
+ if (retval)
+ return retval;
+
+ large_inode.i_size = 0;
+ ext2fs_write_inode_full(fs, ino, (void *)&large_inode,
+ EXT2_INODE_SIZE(fs->super));
+
+ return retval;
+}
/*
* Deallocate all logical blocks starting at start to end, inclusive.
@@ -307,7 +335,10 @@ 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) {
+ retval = ext2fs_punch_inline_data(fs, ino, inode, start, end);
+ return retval;
+ } else if (inode->i_flags & EXT4_EXTENTS_FL)
retval = ext2fs_punch_extent(fs, ino, inode, start, end);
else {
blk_t count;
--
1.7.4.1
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