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-rw-r--r--include/linux/fs.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 997a530ff4e9..31f5c6ae1b45 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3553,4 +3553,15 @@ static inline void simple_fill_fsxattr(struct fsxattr *fa, __u32 xflags)
fa->fsx_xflags = xflags;
}
+/*
+ * Flush file data before changing attributes. Caller must hold any locks
+ * required to prevent further writes to this file until we're done setting
+ * flags.
+ */
+static inline int inode_drain_writes(struct inode *inode)
+{
+ inode_dio_wait(inode);
+ return filemap_write_and_wait(inode->i_mapping);
+}
+
#endif /* _LINUX_FS_H */