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f2fs: Explicitly flush device upon foreground GC

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GC itself will produce some dirty segments.
This will allow more GCs to be made upon rapid GC or urgent GC.

Change-Id: I47b7bc230e47976d1d25014a2c40adc84fe06833
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Signed-off-by: Richard Raya <rdxzv.dev@gmail.com>
This commit is contained in:
Park Ju Hyung 2019-04-01 21:55:33 +09:00 committed by Richard Raya
parent 03134c1347
commit 5f196d7d8b
1 changed files with 11 additions and 3 deletions
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14
fs/f2fs/gc.c
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@ -1773,9 +1773,10 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
.ilist = LIST_HEAD_INIT(gc_list.ilist),
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
};
struct super_block *sb = sbi->sb;
unsigned int skipped_round = 0, round = 0;
trace_f2fs_gc_begin(sbi->sb, gc_type, gc_control->no_bg_gc,
trace_f2fs_gc_begin(sb, gc_type, gc_control->no_bg_gc,
gc_control->nr_free_secs,
get_pages(sbi, F2FS_DIRTY_NODES),
get_pages(sbi, F2FS_DIRTY_DENTS),
@ -1788,7 +1789,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
cpc.reason = __get_cp_reason(sbi);
sbi->skipped_gc_rwsem = 0;
gc_more:
if (unlikely(!(sbi->sb->s_flags & MS_ACTIVE))) {
if (unlikely(!(sb->s_flags & MS_ACTIVE))) {
ret = -EINVAL;
goto stop;
}
@ -1877,7 +1878,7 @@ stop:
if (gc_type == FG_GC)
f2fs_unpin_all_sections(sbi, true);
trace_f2fs_gc_end(sbi->sb, ret, total_freed, sec_freed,
trace_f2fs_gc_end(sb, ret, total_freed, sec_freed,
get_pages(sbi, F2FS_DIRTY_NODES),
get_pages(sbi, F2FS_DIRTY_DENTS),
get_pages(sbi, F2FS_DIRTY_IMETA),
@ -1892,6 +1893,13 @@ stop:
if (gc_control->err_gc_skipped && !ret)
ret = sec_freed ? 0 : -EAGAIN;
if (gc_type == FG_GC && down_read_trylock(&sb->s_umount)) {
writeback_inodes_sb(sb, WB_REASON_SYNC);
sync_inodes_sb(sb);
up_read(&sb->s_umount);
}
return ret;
}