linux-next: manual merge of the akpm tree with the ext4 tree

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Hi Andrew,

Today's linux-next merge of the akpm tree got a conflict in
fs/ext4/extents_status.c between commit decae3aab047 ("ext4: make the
extent_status code more robust against ENOMEM failures") from the ext4
tree and commit "fs-convert-fs-shrinkers-to-new-scan-count-api-fix" from
the akpm tree.

I fixed it up (see below) and can carry the fix as necessary (no action
is required).

-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx

diff --cc fs/ext4/extents_status.c
index 95d5bde,8a45b86..0000000
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@@ -148,8 -148,6 +148,8 @@@ static int __es_remove_extent(struct in
  			      ext4_lblk_t end);
  static int __es_try_to_reclaim_extents(struct ext4_inode_info *ei,
  				       int nr_to_scan);
- static int __ext4_es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,
- 			    struct ext4_inode_info *locked_ei);
++static unsigned long __ext4_es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,
++				      struct ext4_inode_info *locked_ei);
  
  int __init ext4_init_es(void)
  {
@@@ -914,13 -903,17 +915,14 @@@ static unsigned long ext4_es_count(stru
  	return nr;
  }
  
- static int __ext4_es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,
 -static unsigned long ext4_es_scan(struct shrinker *shrink,
 -				  struct shrink_control *sc)
++static unsigned long __ext4_es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,
 +			    struct ext4_inode_info *locked_ei)
  {
 -	struct ext4_sb_info *sbi = container_of(shrink,
 -					struct ext4_sb_info, s_es_shrinker);
  	struct ext4_inode_info *ei;
  	struct list_head *cur, *tmp;
  	LIST_HEAD(skiped);
- 	int ret, nr_shrunk = 0;
 -	int nr_to_scan = sc->nr_to_scan;
 -	int ret = 0;
++	int ret;
+ 	unsigned long nr_shrunk = 0;
  
  	spin_lock(&sbi->s_es_lru_lock);
  
@@@ -969,21 -962,6 +971,22 @@@
  	list_splice_tail(&skiped, &sbi->s_es_lru);
  	spin_unlock(&sbi->s_es_lru_lock);
  
 +	if (locked_ei && nr_shrunk == 0)
 +		nr_shrunk = __es_try_to_reclaim_extents(ei, nr_to_scan);
 +
 +	return nr_shrunk;
 +}
 +
- static long ext4_es_shrink(struct shrinker *shrink, struct shrink_control *sc)
++static unsigned long ext4_es_shrink(struct shrinker *shrink,
++				    struct shrink_control *sc)
 +{
 +	struct ext4_sb_info *sbi = container_of(shrink,
 +					struct ext4_sb_info, s_es_shrinker);
 +	int nr_to_scan = sc->nr_to_scan;
- 	int nr_shrunk;
++	unsigned long nr_shrunk;
 +
 +	nr_shrunk = __ext4_es_shrink(sbi, nr_to_scan, NULL);
 +
  	trace_ext4_es_shrink_exit(sbi->s_sb, nr_shrunk, ret);
  	return nr_shrunk;
  }

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