Re: [PATCH] fs/fat: add cond_resched to fat_count_free_clusters

2018-10-11 Thread OGAWA Hirofumi
Khazhismel Kumykov  writes:

> On non-preempt kernels this loop can take a long time (more than 50
> ticks) processing through entries.
>
> Signed-off-by: Khazhismel Kumykov 
> ---
>  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() == FAT_ENT_FREE)
>   free++;
>   } while (fat_ent_next(sbi, ));
> + cond_resched();
>   }
>   sbi->free_clusters = free;
>   sbi->free_clus_valid = 1;

Acked-by: OGAWA Hirofumi 

Thanks, looks good. 
-- 
OGAWA Hirofumi 


Re: [PATCH] fs/fat: add cond_resched to fat_count_free_clusters

2018-10-11 Thread OGAWA Hirofumi
Khazhismel Kumykov  writes:

> On non-preempt kernels this loop can take a long time (more than 50
> ticks) processing through entries.
>
> Signed-off-by: Khazhismel Kumykov 
> ---
>  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() == FAT_ENT_FREE)
>   free++;
>   } while (fat_ent_next(sbi, ));
> + cond_resched();
>   }
>   sbi->free_clusters = free;
>   sbi->free_clus_valid = 1;

Acked-by: OGAWA Hirofumi 

Thanks, looks good. 
-- 
OGAWA Hirofumi 


[PATCH] fs/fat: add cond_resched to fat_count_free_clusters

2018-10-10 Thread Khazhismel Kumykov
On non-preempt kernels this loop can take a long time (more than 50
ticks) processing through entries.

Signed-off-by: Khazhismel Kumykov 
---
 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() == FAT_ENT_FREE)
free++;
} while (fat_ent_next(sbi, ));
+   cond_resched();
}
sbi->free_clusters = free;
sbi->free_clus_valid = 1;
-- 
2.19.0.605.g01d371f741-goog



[PATCH] fs/fat: add cond_resched to fat_count_free_clusters

2018-10-10 Thread Khazhismel Kumykov
On non-preempt kernels this loop can take a long time (more than 50
ticks) processing through entries.

Signed-off-by: Khazhismel Kumykov 
---
 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() == FAT_ENT_FREE)
free++;
} while (fat_ent_next(sbi, ));
+   cond_resched();
}
sbi->free_clusters = free;
sbi->free_clus_valid = 1;
-- 
2.19.0.605.g01d371f741-goog