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fs/fat/fatent.c: 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.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Khazhismel Kumykov <[email protected]>
Acked-by: OGAWA Hirofumi <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Khazhismel Kumykov 2018-10-12 21:34:40 -07:00 • committed by Greg Kroah-Hartman
commit ac081c3be3
1 changed files with 1 additions and 0 deletions
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fs/fat/fatent.c
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@ -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;