AetherDroid/android_kernel_samsung_on5xelte
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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
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89
fs/sdcardfs/xattr.c Normal file
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#include <linux/file.h>
#include <linux/fs.h>
#include <linux/xattr.h>
#include <linux/dcache.h>
#include "sdcardfs.h"
static struct dentry *
sdcardfs_dentry_to_lower(struct dentry *dentry)
{
struct dentry* ret;
ret = ((struct sdcardfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry;
return ret;
}
int
sdcardfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags)
{
int rc = 0;
struct dentry *lower_dentry;
lower_dentry = sdcardfs_dentry_to_lower(dentry);
if (!lower_dentry->d_inode->i_op->setxattr) {
rc = -EOPNOTSUPP;
goto out;
}
rc = vfs_setxattr(lower_dentry, name, value, size, flags);
out:
return rc;
}
static ssize_t
sdcardfs_getxattr_lower(struct dentry *lower_dentry, const char *name, void *value, size_t size)
{
int rc = 0;
if (!lower_dentry->d_inode->i_op->getxattr) {
rc = -EOPNOTSUPP;
goto out;
}
rc = lower_dentry->d_inode->i_op->getxattr(lower_dentry, name, value,
size);
out:
return rc;
}
ssize_t
sdcardfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
{
ssize_t ret;
ret = sdcardfs_getxattr_lower(sdcardfs_dentry_to_lower(dentry), name,
value, size);
return ret;
}
ssize_t
sdcardfs_listxattr(struct dentry *dentry, char *list, size_t size)
{
int rc = 0;
struct dentry *lower_dentry;
lower_dentry = sdcardfs_dentry_to_lower(dentry);
if (!lower_dentry->d_inode->i_op->listxattr) {
rc = -EOPNOTSUPP;
goto out;
}
rc = lower_dentry->d_inode->i_op->listxattr(lower_dentry, list, size);
out:
return rc;
}
int
sdcardfs_removexattr(struct dentry *dentry, const char *name)
{
int rc = 0;
struct dentry *lower_dentry;
lower_dentry = sdcardfs_dentry_to_lower(dentry);
if (!lower_dentry->d_inode->i_op->removexattr) {
rc = -EOPNOTSUPP;
goto out;
}
mutex_lock(&lower_dentry->d_inode->i_mutex);
rc = lower_dentry->d_inode->i_op->removexattr(lower_dentry, name);
mutex_unlock(&lower_dentry->d_inode->i_mutex);
out:
return rc;
}