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ubifs: remove ubifs_dir_open()

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Since encrypted directories can be opened and searched without their key
being available, and each readdir and ->lookup() tries to set up the
key, trying to set up the key in ->open() too isn't really useful.

Just remove it so that directories don't need an ->open() method
anymore, and so that we eliminate a use of fscrypt_get_encryption_info()
(which I'd like to stop exporting to filesystems).

Link: https://lore.kernel.org/r/20201203022041.230976-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
This commit is contained in:
Eric Biggers
2020-12-02 18:20:35 -08:00
committed by Jaegeuk Kim
parent 39eea38802
commit c247d00ee0
1 changed files with 0 additions and 9 deletions
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9
fs/ubifs/dir.c
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@@ -1620,14 +1620,6 @@ int ubifs_getattr(const struct path *path, struct kstat *stat,
return 0;
}
static int ubifs_dir_open(struct inode *dir, struct file *file)
{
if (IS_ENCRYPTED(dir))
return fscrypt_get_encryption_info(dir) ? -EACCES : 0;
return 0;
}
const struct inode_operations ubifs_dir_inode_operations = {
.lookup = ubifs_lookup,
.create = ubifs_create,
@@ -1654,7 +1646,6 @@ const struct file_operations ubifs_dir_operations = {
.iterate_shared = ubifs_readdir,
.fsync = ubifs_fsync,
.unlocked_ioctl = ubifs_ioctl,
.open = ubifs_dir_open,
#ifdef CONFIG_COMPAT
.compat_ioctl = ubifs_compat_ioctl,
#endif