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Subject[PATCH] fs/fat: add cond_resched to fat_count_free_clusters
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On non-preempt kernels this loop can take a long time (more than 50
ticks) processing through entries.

Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
---
fs/fat/fatent.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index defc2168de91..f58c0cacc531 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -682,6 +682,7 @@ int fat_count_free_clusters(struct super_block *sb)
if (ops->ent_get(&fatent) == FAT_ENT_FREE)
free++;
} while (fat_ent_next(sbi, &fatent));
+ cond_resched();
}
sbi->free_clusters = free;
sbi->free_clus_valid = 1;
--
2.19.0.605.g01d371f741-goog
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