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| author | H. Peter Anvin <hpa@linux.intel.com> | 2010-07-29 00:11:28 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2010-07-29 00:11:28 +0400 |
| commit | 7d50d07da23995a18ac449636cb42aec2cb2808d (patch) | |
| tree | 0ddf940a5e9ddc5eeebc996601d7fee3c36ab836 /fs/ocfs2/refcounttree.c | |
| parent | 2decb194e65ab66eaf787512dc572cdc99893b24 (diff) | |
| parent | 6aa033d7efb85830535bb83cf6713d6025ae6e59 (diff) | |
| download | linux-7d50d07da23995a18ac449636cb42aec2cb2808d.tar.xz | |
Merge remote branch 'linus/master' into x86/cpu
Diffstat (limited to 'fs/ocfs2/refcounttree.c')
| -rw-r--r-- | fs/ocfs2/refcounttree.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 4793f36f6518..3ac5aa733e9c 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -2931,6 +2931,12 @@ static int ocfs2_duplicate_clusters_by_page(handle_t *handle, offset = ((loff_t)cpos) << OCFS2_SB(sb)->s_clustersize_bits; end = offset + (new_len << OCFS2_SB(sb)->s_clustersize_bits); + /* + * We only duplicate pages until we reach the page contains i_size - 1. + * So trim 'end' to i_size. + */ + if (end > i_size_read(context->inode)) + end = i_size_read(context->inode); while (offset < end) { page_index = offset >> PAGE_CACHE_SHIFT; @@ -4166,6 +4172,12 @@ static int __ocfs2_reflink(struct dentry *old_dentry, struct inode *inode = old_dentry->d_inode; struct buffer_head *new_bh = NULL; + if (OCFS2_I(inode)->ip_flags & OCFS2_INODE_SYSTEM_FILE) { + ret = -EINVAL; + mlog_errno(ret); + goto out; + } + ret = filemap_fdatawrite(inode->i_mapping); if (ret) { mlog_errno(ret); |