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debugfs: simplify __debugfs_remove_file()

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Move simple_unlink()+d_delete() from __debugfs_remove_file() into
caller __debugfs_remove() and rename helper for post remove file to
__debugfs_file_removed().

This will simplify adding fsnotify_unlink() hook.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Amir Goldstein 2019-05-26 17:34:07 +03:00 committed by Jan Kara
parent fd0d506f2b
commit 823e545c02
1 changed files with 8 additions and 12 deletions
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20
fs/debugfs/inode.c
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@ -617,13 +617,10 @@ struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
}
EXPORT_SYMBOL_GPL(debugfs_create_symlink);
static void __debugfs_remove_file(struct dentry *dentry, struct dentry *parent)
static void __debugfs_file_removed(struct dentry *dentry)
{
struct debugfs_fsdata *fsd;
simple_unlink(d_inode(parent), dentry);
d_delete(dentry);
/*
* Paired with the closing smp_mb() implied by a successful
* cmpxchg() in debugfs_file_get(): either
@ -644,16 +641,15 @@ static int __debugfs_remove(struct dentry *dentry, struct dentry *parent)
if (simple_positive(dentry)) {
dget(dentry);
if (!d_is_reg(dentry)) {
if (d_is_dir(dentry))
ret = simple_rmdir(d_inode(parent), dentry);
else
simple_unlink(d_inode(parent), dentry);
if (!ret)
d_delete(dentry);
if (d_is_dir(dentry)) {
ret = simple_rmdir(d_inode(parent), dentry);
} else {
__debugfs_remove_file(dentry, parent);
simple_unlink(d_inode(parent), dentry);
}
if (!ret)
d_delete(dentry);
if (d_is_reg(dentry))
__debugfs_file_removed(dentry);
dput(dentry);
}
return ret;