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-rw-r--r--fs/f2fs/segment.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 8722d1a13c17..dee712f7225f 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -453,6 +453,11 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg)
f2fs_shrink_read_extent_tree(sbi,
READ_EXTENT_CACHE_SHRINK_NUMBER);
+ /* try to shrink age extent cache when there is no enough memory */
+ if (!f2fs_available_free_memory(sbi, AGE_EXTENT_CACHE))
+ f2fs_shrink_age_extent_tree(sbi,
+ AGE_EXTENT_CACHE_SHRINK_NUMBER);
+
/* check the # of cached NAT entries */
if (!f2fs_available_free_memory(sbi, NAT_ENTRIES))
f2fs_try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK);
@@ -3151,10 +3156,28 @@ static int __get_segment_type_4(struct f2fs_io_info *fio)
}
}
+static int __get_age_segment_type(struct inode *inode, pgoff_t pgofs)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct extent_info ei;
+
+ if (f2fs_lookup_age_extent_cache(inode, pgofs, &ei)) {
+ if (!ei.age)
+ return NO_CHECK_TYPE;
+ if (ei.age <= sbi->hot_data_age_threshold)
+ return CURSEG_HOT_DATA;
+ if (ei.age <= sbi->warm_data_age_threshold)
+ return CURSEG_WARM_DATA;
+ return CURSEG_COLD_DATA;
+ }
+ return NO_CHECK_TYPE;
+}
+
static int __get_segment_type_6(struct f2fs_io_info *fio)
{
if (fio->type == DATA) {
struct inode *inode = fio->page->mapping->host;
+ int type;
if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
return CURSEG_COLD_DATA_PINNED;
@@ -3169,6 +3192,11 @@ static int __get_segment_type_6(struct f2fs_io_info *fio)
}
if (file_is_cold(inode) || f2fs_need_compress_data(inode))
return CURSEG_COLD_DATA;
+
+ type = __get_age_segment_type(inode, fio->page->index);
+ if (type != NO_CHECK_TYPE)
+ return type;
+
if (file_is_hot(inode) ||
is_inode_flag_set(inode, FI_HOT_DATA) ||
f2fs_is_cow_file(inode))
@@ -3287,6 +3315,9 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr));
locate_dirty_segment(sbi, GET_SEGNO(sbi, *new_blkaddr));
+ if (IS_DATASEG(type))
+ atomic64_inc(&sbi->allocated_data_blocks);
+
up_write(&sit_i->sentry_lock);
if (page && IS_NODESEG(type)) {
@@ -3414,6 +3445,8 @@ void f2fs_outplace_write_data(struct dnode_of_data *dn,
struct f2fs_summary sum;
f2fs_bug_on(sbi, dn->data_blkaddr == NULL_ADDR);
+ if (fio->io_type == FS_DATA_IO || fio->io_type == FS_CP_DATA_IO)
+ f2fs_update_age_extent_cache(dn);
set_summary(&sum, dn->nid, dn->ofs_in_node, fio->version);
do_write_page(&sum, fio);
f2fs_update_data_blkaddr(dn, fio->new_blkaddr);