Merge 3.8-rc5 into staging-next

This resolves a merge issue with a iio driver, and the zram code.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 14 insertions, 1 deletions

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 0948405af6f5..66a288a52fd3 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -459,7 +459,20 @@ static inline int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
 
 static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi)
 {
-        return free_sections(sbi) <= reserved_sections(sbi);
+        unsigned int pages_per_sec = (1 << sbi->log_blocks_per_seg) *
+                        sbi->segs_per_sec;
+        int node_secs = ((get_pages(sbi, F2FS_DIRTY_NODES) + pages_per_sec - 1)
+                        >> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
+        int dent_secs = ((get_pages(sbi, F2FS_DIRTY_DENTS) + pages_per_sec - 1)
+                        >> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
+
+        if (sbi->por_doing)
+                return false;
+
+        if (free_sections(sbi) <= (node_secs + 2 * dent_secs +
+                                                reserved_sections(sbi)))
+                return true;
+        return false;
 }
 
 static inline int utilization(struct f2fs_sb_info *sbi)