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-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index b25d11a3d84..bd5e1cf5428 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1125,6 +1125,16 @@ xfs_page_state_convert(
continue;
}
+ /*
+ * A hole may still be marked uptodate because discard_buffer
+ * leaves the flag set.
+ */
+ if (!buffer_mapped(bh) && buffer_uptodate(bh)) {
+ ASSERT(!buffer_dirty(bh));
+ imap_valid = 0;
+ continue;
+ }
+
if (imap_valid)
imap_valid = xfs_imap_valid(inode, &imap, offset);