ref: 716af5fa6399c4a8be1a87331fc70b5d3cf537ae
parent: 5372f03b3a0947f9c14a8bf015404f2fa0c71db2
author: ngkaho1234 <ngkaho1234@gmail.com>
date: Mon May 16 06:19:41 EDT 2016
ext4_xattr: allow more entries to be inserted when space is small
--- a/src/ext4_xattr.c
+++ b/src/ext4_xattr.c
@@ -458,23 +458,6 @@
return NULL;
}
- if ((xattr_ref->ea_size + EXT4_XATTR_SIZE(data_size) +
- EXT4_XATTR_LEN(item->name_len)
- >
- ext4_xattr_inode_space(xattr_ref) -
- sizeof(struct ext4_xattr_ibody_header))
- &&
- (xattr_ref->ea_size + EXT4_XATTR_SIZE(data_size) +
- EXT4_XATTR_LEN(item->name_len) >
- ext4_xattr_block_space(xattr_ref) -
- sizeof(struct ext4_xattr_header))) {- ext4_xattr_item_free(item);
-
- if (err)
- *err = ENOSPC;
-
- return NULL;
- }
item->in_inode = true;
if (xattr_ref->inode_size_rem <
EXT4_XATTR_SIZE(data_size) +
@@ -562,24 +545,8 @@
/*
* Check if we can hold this entry in both in-inode and
- * on-block form
- */
- if ((xattr_ref->ea_size - EXT4_XATTR_SIZE(old_data_size) +
- EXT4_XATTR_SIZE(new_data_size)
- >
- ext4_xattr_inode_space(xattr_ref) -
- sizeof(struct ext4_xattr_ibody_header))
- &&
- (xattr_ref->ea_size - EXT4_XATTR_SIZE(old_data_size) +
- EXT4_XATTR_SIZE(new_data_size)
- >
- ext4_xattr_block_space(xattr_ref) -
- sizeof(struct ext4_xattr_header))) {-
- return ENOSPC;
- }
-
- /*
+ * on-block form.
+ *
* More complicated case: we do not allow entries stucking in
* the middle between in-inode space and on-block space, so
* the entry has to stay in either inode space or block space.
@@ -836,9 +803,7 @@
}
RB_FOREACH_SAFE(item, ext4_xattr_tree, &xattr_ref->root, save_item)
{- if (EXT4_XATTR_SIZE(item->data_size) +
- EXT4_XATTR_LEN(item->name_len) <=
- inode_size_rem) {+ if (item->in_inode) {ibody_data = (char *)ibody_data -
EXT4_XATTR_SIZE(item->data_size);
ext4_xattr_set_inode_entry(item, ibody_header, entry,