diff options
| -rw-r--r-- | fs/ocfs2/xattr.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 5be99666f02..c1f2e069074 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3965,11 +3965,12 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, /* * Hey, if we're overwriting t_bucket, what difference does * ACCESS_CREATE vs ACCESS_WRITE make? Well, if we allocated a new - * cluster to fill, we came here from ocfs2_cp_xattr_cluster(), and - * it is really new - ACCESS_CREATE is required. But we also - * might have moved data out of t_bucket before extending back - * into it. ocfs2_add_new_xattr_bucket() can do this - its call - * to ocfs2_add_new_xattr_cluster() may have created a new extent + * cluster to fill, we came here from + * ocfs2_mv_xattr_buckets(), and it is really new - + * ACCESS_CREATE is required. But we also might have moved data + * out of t_bucket before extending back into it. + * ocfs2_add_new_xattr_bucket() can do this - its call to + * ocfs2_add_new_xattr_cluster() may have created a new extent * and copied out the end of the old extent. Then it re-extends * the old extent back to create space for new xattrs. That's * how we get here, and the bucket isn't really new. @@ -3992,17 +3993,16 @@ out: } /* - * src_blk points to the last cluster of an existing extent. to_blk - * points to a newly allocated extent. We copy the cluster over to the - * new extent, initializing its xh_num_buckets. The old extent's - * xh_num_buckets shrinks by the same amount. + * src_blk points to the start of an existing extent. last_blk points to + * last cluster in that extent. to_blk points to a newly allocated + * extent. We copy the buckets from cluster at last_blk to the new extent, + * initializing its xh_num_buckets. The old extent's xh_num_buckets + * shrinks by the same amount. */ -static int ocfs2_cp_xattr_cluster(struct inode *inode, +static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle, - struct buffer_head *first_bh, - u64 src_blk, - u64 to_blk, - u32 *first_hash) + u64 src_blk, u64 last_blk, + u64 to_blk, u32 *first_hash) { int i, ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -4011,8 +4011,8 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); struct ocfs2_xattr_bucket *old_first, *new_first; - mlog(0, "cp xattrs from cluster %llu to %llu\n", - (unsigned long long)src_blk, (unsigned long long)to_blk); + mlog(0, "mv xattrs from cluster %llu to %llu\n", + (unsigned long long)last_blk, (unsigned long long)to_blk); /* The first bucket of the original extent */ old_first = ocfs2_xattr_bucket_new(inode); @@ -4024,7 +4024,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, goto out; } - ret = ocfs2_read_xattr_bucket(old_first, first_bh->b_blocknr); + ret = ocfs2_read_xattr_bucket(old_first, src_blk); if (ret) { mlog_errno(ret); goto out; @@ -4050,7 +4050,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, for (i = 0; i < num_buckets; i++) { ret = ocfs2_cp_xattr_bucket(inode, handle, - src_blk + (i * blks_per_bucket), + last_blk + (i * blks_per_bucket), to_blk + (i * blks_per_bucket), 1); if (ret) { @@ -4175,8 +4175,10 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, u64 last_blk = prev_blk + bpc * (prev_clusters - 1); if (prev_clusters > 1 && (*header_bh)->b_blocknr != last_blk) - ret = ocfs2_cp_xattr_cluster(inode, handle, *first_bh, - last_blk, new_blk, + ret = ocfs2_mv_xattr_buckets(inode, handle, + (*first_bh)->b_blocknr, + last_blk, + new_blk, v_start); else { ret = ocfs2_divide_xattr_cluster(inode, handle, |