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-rw-r--r--fs/fs-writeback.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 1a7c42c64ff..5f2721b1e4b 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -461,15 +461,20 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
ret = do_writepages(mapping, wbc);
- /* Don't write the inode if only I_DIRTY_PAGES was set */
- if (dirty & (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
- int err = write_inode(inode, wait);
+ /*
+ * Make sure to wait on the data before writing out the metadata.
+ * This is important for filesystems that modify metadata on data
+ * I/O completion.
+ */
+ if (wait) {
+ int err = filemap_fdatawait(mapping);
if (ret == 0)
ret = err;
}
- if (wait) {
- int err = filemap_fdatawait(mapping);
+ /* Don't write the inode if only I_DIRTY_PAGES was set */
+ if (dirty & (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
+ int err = write_inode(inode, wait);
if (ret == 0)
ret = err;
}