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f2fs: avoid unnecessary f2fs_balance_fs calls

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Only when node page is newly dirtied, it needs to check whether we need to do
f2fs_gc.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-01-07 13:23:12 -08:00
parent 7612118ae8
commit 12719ae14e
6 changed files with 30 additions and 29 deletions
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19
fs/f2fs/inode.c
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@@ -222,7 +222,7 @@ bad_inode:
return ERR_PTR(ret);
}
void update_inode(struct inode *inode, struct page *node_page)
int update_inode(struct inode *inode, struct page *node_page)
{
struct f2fs_inode *ri;
@@ -260,15 +260,16 @@ void update_inode(struct inode *inode, struct page *node_page)
__set_inode_rdev(inode, ri);
set_cold_node(inode, node_page);
set_page_dirty(node_page);
clear_inode_flag(F2FS_I(inode), FI_DIRTY_INODE);
return set_page_dirty(node_page);
}
void update_inode_page(struct inode *inode)
int update_inode_page(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct page *node_page;
int ret = 0;
retry:
node_page = get_node_page(sbi, inode->i_ino);
if (IS_ERR(node_page)) {
@@ -279,10 +280,11 @@ retry:
} else if (err != -ENOENT) {
f2fs_stop_checkpoint(sbi);
}
return;
return 0;
}
update_inode(inode, node_page);
ret = update_inode(inode, node_page);
f2fs_put_page(node_page, 1);
return ret;
}
int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
@@ -300,9 +302,8 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
* We need to balance fs here to prevent from producing dirty node pages
* during the urgent cleaning time when runing out of free sections.
*/
update_inode_page(inode);
f2fs_balance_fs(sbi);
if (update_inode_page(inode))
f2fs_balance_fs(sbi);
return 0;
}