diff options
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 5a825502b0b0..a0aa0446a237 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -89,10 +89,13 @@ static void ra_nat_pages(struct f2fs_sb_info *sbi, int nid) { struct address_space *mapping = sbi->meta_inode->i_mapping; struct f2fs_nm_info *nm_i = NM_I(sbi); + struct blk_plug plug; struct page *page; pgoff_t index; int i; + blk_start_plug(&plug); + for (i = 0; i < FREE_NID_PAGES; i++, nid += NAT_ENTRY_PER_BLOCK) { if (nid >= nm_i->max_nid) nid = 0; @@ -110,6 +113,7 @@ static void ra_nat_pages(struct f2fs_sb_info *sbi, int nid) f2fs_put_page(page, 0); } + blk_finish_plug(&plug); } static struct nat_entry *__lookup_nat_cache(struct f2fs_nm_info *nm_i, nid_t n) @@ -942,6 +946,7 @@ struct page *get_node_page_ra(struct page *parent, int start) { struct f2fs_sb_info *sbi = F2FS_SB(parent->mapping->host->i_sb); struct address_space *mapping = sbi->node_inode->i_mapping; + struct blk_plug plug; struct page *page; int err, i, end; nid_t nid; @@ -961,6 +966,8 @@ struct page *get_node_page_ra(struct page *parent, int start) else if (err == LOCKED_PAGE) goto page_hit; + blk_start_plug(&plug); + /* Then, try readahead for siblings of the desired node */ end = start + MAX_RA_NODE; end = min(end, NIDS_PER_BLOCK); @@ -971,6 +978,8 @@ struct page *get_node_page_ra(struct page *parent, int start) ra_node_page(sbi, nid); } + blk_finish_plug(&plug); + lock_page(page); page_hit: |