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authorTao Ma <tao.ma@oracle.com>2008-09-19 22:17:41 +0800
committerMark Fasheh <mfasheh@suse.com>2008-10-13 17:02:43 -0700
commit5a09561199e7f8d3feaaa01c39372050e140b775 (patch)
tree5affae979a564bae543e81d70abc58015ce44f80 /fs/ocfs2/stackglue.c
parent06b240d8af21ddee4cfec3b0f02b81d9f168a98a (diff)
downloadlinux-5a09561199e7f8d3feaaa01c39372050e140b775.tar.bz2
ocfs2: Add empty bucket support in xattr.
As Mark mentioned, it may be time-consuming when we remove the empty xattr bucket, so this patch try to let empty bucket exist in xattr operation. The modification includes: 1. Remove the functin of bucket and extent record deletion during xattr delete. 2. In xattr set: 1) Don't clean the last entry so that if the bucket is empty, the hash value of the bucket is the hash value of the entry which is deleted last. 2) During insert, if we meet with an empty bucket, just use the 1st entry. 3. In binary search of xattr bucket, use the bucket hash value(which stored in the 1st xattr entry) to find the right place. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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