dlan17/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

f2fs: use wait_for_stable_page to avoid contention

Browse Source 
In write_begin, if storage supports stable_page, we don't need to wait for
writeback to update its contents.
This patch introduces to use wait_for_stable_page instead of
wait_on_page_writeback.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-02-22 16:07:23 -08:00
parent 718e53fa63
commit fec1d6576c
13 changed files with 47 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/f2fs/node.c
+5 -5
View File
@@ -861,7 +861,7 @@ skip_partial:
f2fs_put_page(page, 1);
goto restart;
}
f2fs_wait_on_page_writeback(page, NODE);
f2fs_wait_on_page_writeback(page, NODE, true);
ri->i_nid[offset[0] - NODE_DIR1_BLOCK] = 0;
set_page_dirty(page);
unlock_page(page);
@@ -976,7 +976,7 @@ struct page *new_node_page(struct dnode_of_data *dn,
new_ni.ino = dn->inode->i_ino;
set_node_addr(sbi, &new_ni, NEW_ADDR, false);
f2fs_wait_on_page_writeback(page, NODE);
f2fs_wait_on_page_writeback(page, NODE, true);
fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);
set_cold_node(dn->inode, page);
SetPageUptodate(page);
@@ -1328,7 +1328,7 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino)
continue;
if (ino && ino_of_node(page) == ino) {
f2fs_wait_on_page_writeback(page, NODE);
f2fs_wait_on_page_writeback(page, NODE, true);
if (TestClearPageError(page))
ret = -EIO;
}
@@ -1367,7 +1367,7 @@ static int f2fs_write_node_page(struct page *page,
if (unlikely(f2fs_cp_error(sbi)))
goto redirty_out;
f2fs_wait_on_page_writeback(page, NODE);
f2fs_wait_on_page_writeback(page, NODE, true);
/* get old block addr of this node page */
nid = nid_of_node(page);
@@ -1744,7 +1744,7 @@ void recover_inline_xattr(struct inode *inode, struct page *page)
src_addr = inline_xattr_addr(page);
inline_size = inline_xattr_size(inode);
f2fs_wait_on_page_writeback(ipage, NODE);
f2fs_wait_on_page_writeback(ipage, NODE, true);
memcpy(dst_addr, src_addr, inline_size);
update_inode:
update_inode(inode, ipage);