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f2fs: avoid mark_inode_dirty

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Let's check inode's dirtiness before calling mark_inode_dirty.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-06-30 19:09:37 -07:00
parent a2ee0a3003
commit b56ab837a0
10 changed files with 74 additions and 56 deletions
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67
fs/f2fs/super.c
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@@ -625,6 +625,43 @@ static int f2fs_drop_inode(struct inode *inode)
return generic_drop_inode(inode);
}
int f2fs_inode_dirtied(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (is_inode_flag_set(inode, FI_DIRTY_INODE)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return 1;
}
set_inode_flag(inode, FI_DIRTY_INODE);
list_add_tail(&F2FS_I(inode)->gdirty_list,
&sbi->inode_list[DIRTY_META]);
inc_page_count(sbi, F2FS_DIRTY_IMETA);
stat_inc_dirty_inode(sbi, DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return 0;
}
void f2fs_inode_synced(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return;
}
list_del_init(&F2FS_I(inode)->gdirty_list);
clear_inode_flag(inode, FI_DIRTY_INODE);
clear_inode_flag(inode, FI_AUTO_RECOVER);
dec_page_count(sbi, F2FS_DIRTY_IMETA);
stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
}
/*
* f2fs_dirty_inode() is called from __mark_inode_dirty()
*
@@ -644,35 +681,7 @@ static void f2fs_dirty_inode(struct inode *inode, int flags)
if (is_inode_flag_set(inode, FI_AUTO_RECOVER))
clear_inode_flag(inode, FI_AUTO_RECOVER);
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (is_inode_flag_set(inode, FI_DIRTY_INODE)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return;
}
set_inode_flag(inode, FI_DIRTY_INODE);
list_add_tail(&F2FS_I(inode)->gdirty_list,
&sbi->inode_list[DIRTY_META]);
inc_page_count(sbi, F2FS_DIRTY_IMETA);
stat_inc_dirty_inode(sbi, DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
}
void f2fs_inode_synced(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return;
}
list_del_init(&F2FS_I(inode)->gdirty_list);
clear_inode_flag(inode, FI_DIRTY_INODE);
clear_inode_flag(inode, FI_AUTO_RECOVER);
dec_page_count(sbi, F2FS_DIRTY_IMETA);
stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
f2fs_inode_dirtied(inode);
}
static void f2fs_i_callback(struct rcu_head *head)