Commit 44c16156 authored by Jaegeuk Kim's avatar Jaegeuk Kim

f2fs: call f2fs_unlock_op after error was handled

This patch relocates f2fs_unlock_op in every directory operations to be called
after any error was processed.
Otherwise, the checkpoint can be entered with valid node ids without its
dentry when -ENOSPC is occurred.
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 7cd8558b
......@@ -1194,6 +1194,7 @@ void update_inode(struct inode *, struct page *);
void update_inode_page(struct inode *);
int f2fs_write_inode(struct inode *, struct writeback_control *);
void f2fs_evict_inode(struct inode *);
void handle_failed_inode(struct inode *);
/*
* namei.c
......
......@@ -306,3 +306,26 @@ void f2fs_evict_inode(struct inode *inode)
out_clear:
clear_inode(inode);
}
/* caller should call f2fs_lock_op() */
void handle_failed_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
clear_nlink(inode);
make_bad_inode(inode);
unlock_new_inode(inode);
i_size_write(inode, 0);
if (F2FS_HAS_BLOCKS(inode))
f2fs_truncate(inode);
remove_inode_page(inode);
stat_dec_inline_inode(inode);
alloc_nid_failed(sbi, inode->i_ino);
f2fs_unlock_op(sbi);
/* iput will drop the inode object */
iput(inode);
}
......@@ -123,9 +123,9 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
f2fs_unlock_op(sbi);
if (err)
goto out;
f2fs_unlock_op(sbi);
alloc_nid_done(sbi, ino);
......@@ -133,9 +133,7 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
unlock_new_inode(inode);
return 0;
out:
clear_nlink(inode);
iget_failed(inode);
alloc_nid_failed(sbi, ino);
handle_failed_inode(inode);
return err;
}
......@@ -154,15 +152,16 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
set_inode_flag(F2FS_I(inode), FI_INC_LINK);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
f2fs_unlock_op(sbi);
if (err)
goto out;
f2fs_unlock_op(sbi);
d_instantiate(dentry, inode);
return 0;
out:
clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
iput(inode);
f2fs_unlock_op(sbi);
return err;
}
......@@ -253,9 +252,9 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
f2fs_unlock_op(sbi);
if (err)
goto out;
f2fs_unlock_op(sbi);
err = page_symlink(inode, symname, symlen);
alloc_nid_done(sbi, inode->i_ino);
......@@ -264,9 +263,7 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
unlock_new_inode(inode);
return err;
out:
clear_nlink(inode);
iget_failed(inode);
alloc_nid_failed(sbi, inode->i_ino);
handle_failed_inode(inode);
return err;
}
......@@ -290,9 +287,9 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
set_inode_flag(F2FS_I(inode), FI_INC_LINK);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
f2fs_unlock_op(sbi);
if (err)
goto out_fail;
f2fs_unlock_op(sbi);
alloc_nid_done(sbi, inode->i_ino);
......@@ -303,9 +300,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
out_fail:
clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
clear_nlink(inode);
iget_failed(inode);
alloc_nid_failed(sbi, inode->i_ino);
handle_failed_inode(inode);
return err;
}
......@@ -338,18 +333,16 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
f2fs_unlock_op(sbi);
if (err)
goto out;
f2fs_unlock_op(sbi);
alloc_nid_done(sbi, inode->i_ino);
d_instantiate(dentry, inode);
unlock_new_inode(inode);
return 0;
out:
clear_nlink(inode);
iget_failed(inode);
alloc_nid_failed(sbi, inode->i_ino);
handle_failed_inode(inode);
return err;
}
......@@ -677,10 +670,7 @@ static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
release_out:
release_orphan_inode(sbi);
out:
f2fs_unlock_op(sbi);
clear_nlink(inode);
iget_failed(inode);
alloc_nid_failed(sbi, inode->i_ino);
handle_failed_inode(inode);
return err;
}
......
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