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| author | Ingo Molnar <mingo@elte.hu> | 2010-07-21 21:43:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-07-21 21:43:06 +0200 |
| commit | 9dcdbf7a33d9018ac5d45debcf261be648bdd56a (patch) | |
| tree | bbcc1a018f11ff76cd7ce174ef3ffe2c02da07ee /fs/ocfs2/refcounttree.c | |
| parent | cc5edb0eb9ce892b530e34a5d110382483587942 (diff) | |
| parent | cd5b8f8755a89a57fc8c408d284b8b613f090345 (diff) | |
| download | linux-9dcdbf7a33d9018ac5d45debcf261be648bdd56a.tar.gz | |
Merge branch 'linus' into perf/core
Merge reason: Pick up the latest perf fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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); |