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f2fs: speed up gc_urgent mode with SSR

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This patch activates SSR in gc_urgent mode.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2017-09-09 11:11:04 -07:00
parent 1eb1ef4a8e
commit b3a97a2a9a
3 changed files with 16 additions and 13 deletions
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15
fs/f2fs/segment.c
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@@ -169,6 +169,21 @@ found:
return result - size + __reverse_ffz(tmp);
}
bool need_SSR(struct f2fs_sb_info *sbi)
{
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
int imeta_secs = get_blocktype_secs(sbi, F2FS_DIRTY_IMETA);
if (test_opt(sbi, LFS))
return false;
if (sbi->gc_thread && sbi->gc_thread->gc_urgent)
return true;
return free_sections(sbi) <= (node_secs + 2 * dent_secs + imeta_secs +
2 * reserved_sections(sbi));
}
void register_inmem_page(struct inode *inode, struct page *page)
{
struct f2fs_inode_info *fi = F2FS_I(inode);