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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-06-17 01:41:49 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-07-06 19:44:08 +0200 |
| commit | ad4edb83143fdeef9e6fdd9daaa735b59476565b (patch) | |
| tree | c2691e320b927f9dce1ae9df62875f3123f908d9 /fs/f2fs/shrinker.c | |
| parent | f2fs: detect host-managed SMR by feature flag (diff) | |
| download | linux-ad4edb83143fdeef9e6fdd9daaa735b59476565b.tar.xz linux-ad4edb83143fdeef9e6fdd9daaa735b59476565b.zip | |
f2fs: produce more nids and reduce readahead nats
The readahead nat pages are more likely to be reclaimed quickly, so it'd better
to gather more free nids in advance.
And, let's keep some free nids as much as possible.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/shrinker.c')
| -rw-r--r-- | fs/f2fs/shrinker.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c index 93606f281bf9..46c915425923 100644 --- a/fs/f2fs/shrinker.c +++ b/fs/f2fs/shrinker.c @@ -13,6 +13,7 @@ #include <linux/f2fs_fs.h> #include "f2fs.h" +#include "node.h" static LIST_HEAD(f2fs_list); static DEFINE_SPINLOCK(f2fs_list_lock); @@ -25,8 +26,8 @@ static unsigned long __count_nat_entries(struct f2fs_sb_info *sbi) static unsigned long __count_free_nids(struct f2fs_sb_info *sbi) { - if (NM_I(sbi)->fcnt > NAT_ENTRY_PER_BLOCK) - return NM_I(sbi)->fcnt - NAT_ENTRY_PER_BLOCK; + if (NM_I(sbi)->fcnt > MAX_FREE_NIDS) + return NM_I(sbi)->fcnt - MAX_FREE_NIDS; return 0; } |