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f2fs: separate f2fs_gc_range() to use GC for a range 

Make f2fs_gc_range() an extenal function to use it for GC for a range.

Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Daeho Jeong 2024-02-06 14:32:55 -08:00 committed by Jaegeuk Kim
parent a60108f7df
commit 2f0209f579
1 changed files with 29 additions and 22 deletions
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51
fs/f2fs/gc.c
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@ -1975,10 +1975,34 @@ void f2fs_build_gc_manager(struct f2fs_sb_info *sbi)
init_atgc_management(sbi);
}
static int free_segment_range(struct f2fs_sb_info *sbi,
unsigned int secs, bool gc_only)
static int f2fs_gc_range(struct f2fs_sb_info *sbi,
unsigned int start_seg, unsigned int end_seg, bool dry_run)
{
unsigned int segno, next_inuse, start, end;
unsigned int segno;
for (segno = start_seg; segno <= end_seg; segno += SEGS_PER_SEC(sbi)) {
struct gc_inode_list gc_list = {
.ilist = LIST_HEAD_INIT(gc_list.ilist),
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
};
do_garbage_collect(sbi, segno, &gc_list, FG_GC, true);
put_gc_inode(&gc_list);
if (!dry_run && get_valid_blocks(sbi, segno, true))
return -EAGAIN;
if (fatal_signal_pending(current))
return -ERESTARTSYS;
}
return 0;
}
static int free_segment_range(struct f2fs_sb_info *sbi,
unsigned int secs, bool dry_run)
{
unsigned int next_inuse, start, end;
struct cp_control cpc = { CP_RESIZE, 0, 0, 0 };
int gc_mode, gc_type;
int err = 0;
@ -2004,25 +2028,8 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
f2fs_allocate_segment_for_resize(sbi, type, start, end);
/* do GC to move out valid blocks in the range */
for (segno = start; segno <= end; segno += SEGS_PER_SEC(sbi)) {
struct gc_inode_list gc_list = {
.ilist = LIST_HEAD_INIT(gc_list.ilist),
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
};
do_garbage_collect(sbi, segno, &gc_list, FG_GC, true);
put_gc_inode(&gc_list);
if (!gc_only && get_valid_blocks(sbi, segno, true)) {
err = -EAGAIN;
goto out;
}
if (fatal_signal_pending(current)) {
err = -ERESTARTSYS;
goto out;
}
}
if (gc_only)
err = f2fs_gc_range(sbi, start, end, dry_run);
if (err || dry_run)
goto out;
stat_inc_cp_call_count(sbi, TOTAL_CALL);