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f2fs: avoid wrong count on dirty inodes 

The number should be covered by spin_lock. Otherwise we can see wrong count
in f2fs_stat.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-06-02 11:08:56 -07:00
parent 9f7c45ccd6
commit 338bbfa086
1 changed files with 2 additions and 2 deletions
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4
fs/f2fs/super.c
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@ -645,8 +645,8 @@ static void f2fs_dirty_inode(struct inode *inode, int flags)
list_add_tail(&F2FS_I(inode)->gdirty_list, list_add_tail(&F2FS_I(inode)->gdirty_list,
&sbi->inode_list[DIRTY_META]); &sbi->inode_list[DIRTY_META]);
inc_page_count(sbi, F2FS_DIRTY_IMETA); inc_page_count(sbi, F2FS_DIRTY_IMETA);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
stat_inc_dirty_inode(sbi, DIRTY_META); stat_inc_dirty_inode(sbi, DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
} }
void f2fs_inode_synced(struct inode *inode) void f2fs_inode_synced(struct inode *inode)
@ -662,8 +662,8 @@ void f2fs_inode_synced(struct inode *inode)
clear_inode_flag(inode, FI_DIRTY_INODE); clear_inode_flag(inode, FI_DIRTY_INODE);
clear_inode_flag(inode, FI_AUTO_RECOVER); clear_inode_flag(inode, FI_AUTO_RECOVER);
dec_page_count(sbi, F2FS_DIRTY_IMETA); dec_page_count(sbi, F2FS_DIRTY_IMETA);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
} }
static void f2fs_i_callback(struct rcu_head *head) static void f2fs_i_callback(struct rcu_head *head)