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-rw-r--r--fs/ext4/ioctl.c156
1 files changed, 78 insertions, 78 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 12daa6869572..a567af161b06 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1,5 +1,5 @@
/*
- * linux/fs/ext3/ioctl.c
+ * linux/fs/ext4/ioctl.c
*
* Copyright (C) 1993, 1994, 1995
* Remy Card (card@masi.ibp.fr)
@@ -10,30 +10,30 @@
#include <linux/fs.h>
#include <linux/jbd.h>
#include <linux/capability.h>
-#include <linux/ext3_fs.h>
-#include <linux/ext3_jbd.h>
+#include <linux/ext4_fs.h>
+#include <linux/ext4_jbd.h>
#include <linux/time.h>
#include <linux/compat.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h>
-int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
+int ext4_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
unsigned long arg)
{
- struct ext3_inode_info *ei = EXT3_I(inode);
+ struct ext4_inode_info *ei = EXT4_I(inode);
unsigned int flags;
unsigned short rsv_window_size;
- ext3_debug ("cmd = %u, arg = %lu\n", cmd, arg);
+ ext4_debug ("cmd = %u, arg = %lu\n", cmd, arg);
switch (cmd) {
- case EXT3_IOC_GETFLAGS:
- flags = ei->i_flags & EXT3_FL_USER_VISIBLE;
+ case EXT4_IOC_GETFLAGS:
+ flags = ei->i_flags & EXT4_FL_USER_VISIBLE;
return put_user(flags, (int __user *) arg);
- case EXT3_IOC_SETFLAGS: {
+ case EXT4_IOC_SETFLAGS: {
handle_t *handle = NULL;
int err;
- struct ext3_iloc iloc;
+ struct ext4_iloc iloc;
unsigned int oldflags;
unsigned int jflag;
@@ -47,13 +47,13 @@ int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
return -EFAULT;
if (!S_ISDIR(inode->i_mode))
- flags &= ~EXT3_DIRSYNC_FL;
+ flags &= ~EXT4_DIRSYNC_FL;
mutex_lock(&inode->i_mutex);
oldflags = ei->i_flags;
/* The JOURNAL_DATA flag is modifiable only by root */
- jflag = flags & EXT3_JOURNAL_DATA_FL;
+ jflag = flags & EXT4_JOURNAL_DATA_FL;
/*
* The IMMUTABLE and APPEND_ONLY flags can only be changed by
@@ -61,7 +61,7 @@ int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
*
* This test looks nicer. Thanks to Pauline Middelink
*/
- if ((flags ^ oldflags) & (EXT3_APPEND_FL | EXT3_IMMUTABLE_FL)) {
+ if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
if (!capable(CAP_LINUX_IMMUTABLE)) {
mutex_unlock(&inode->i_mutex);
return -EPERM;
@@ -72,7 +72,7 @@ int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
* The JOURNAL_DATA flag can only be changed by
* the relevant capability.
*/
- if ((jflag ^ oldflags) & (EXT3_JOURNAL_DATA_FL)) {
+ if ((jflag ^ oldflags) & (EXT4_JOURNAL_DATA_FL)) {
if (!capable(CAP_SYS_RESOURCE)) {
mutex_unlock(&inode->i_mutex);
return -EPERM;
@@ -80,44 +80,44 @@ int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
}
- handle = ext3_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1);
if (IS_ERR(handle)) {
mutex_unlock(&inode->i_mutex);
return PTR_ERR(handle);
}
if (IS_SYNC(inode))
handle->h_sync = 1;
- err = ext3_reserve_inode_write(handle, inode, &iloc);
+ err = ext4_reserve_inode_write(handle, inode, &iloc);
if (err)
goto flags_err;
- flags = flags & EXT3_FL_USER_MODIFIABLE;
- flags |= oldflags & ~EXT3_FL_USER_MODIFIABLE;
+ flags = flags & EXT4_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT4_FL_USER_MODIFIABLE;
ei->i_flags = flags;
- ext3_set_inode_flags(inode);
+ ext4_set_inode_flags(inode);
inode->i_ctime = CURRENT_TIME_SEC;
- err = ext3_mark_iloc_dirty(handle, inode, &iloc);
+ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
flags_err:
- ext3_journal_stop(handle);
+ ext4_journal_stop(handle);
if (err) {
mutex_unlock(&inode->i_mutex);
return err;
}
- if ((jflag ^ oldflags) & (EXT3_JOURNAL_DATA_FL))
- err = ext3_change_inode_journal_flag(inode, jflag);
+ if ((jflag ^ oldflags) & (EXT4_JOURNAL_DATA_FL))
+ err = ext4_change_inode_journal_flag(inode, jflag);
mutex_unlock(&inode->i_mutex);
return err;
}
- case EXT3_IOC_GETVERSION:
- case EXT3_IOC_GETVERSION_OLD:
+ case EXT4_IOC_GETVERSION:
+ case EXT4_IOC_GETVERSION_OLD:
return put_user(inode->i_generation, (int __user *) arg);
- case EXT3_IOC_SETVERSION:
- case EXT3_IOC_SETVERSION_OLD: {
+ case EXT4_IOC_SETVERSION:
+ case EXT4_IOC_SETVERSION_OLD: {
handle_t *handle;
- struct ext3_iloc iloc;
+ struct ext4_iloc iloc;
__u32 generation;
int err;
@@ -128,20 +128,20 @@ flags_err:
if (get_user(generation, (int __user *) arg))
return -EFAULT;
- handle = ext3_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1);
if (IS_ERR(handle))
return PTR_ERR(handle);
- err = ext3_reserve_inode_write(handle, inode, &iloc);
+ err = ext4_reserve_inode_write(handle, inode, &iloc);
if (err == 0) {
inode->i_ctime = CURRENT_TIME_SEC;
inode->i_generation = generation;
- err = ext3_mark_iloc_dirty(handle, inode, &iloc);
+ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
}
- ext3_journal_stop(handle);
+ ext4_journal_stop(handle);
return err;
}
#ifdef CONFIG_JBD_DEBUG
- case EXT3_IOC_WAIT_FOR_READONLY:
+ case EXT4_IOC_WAIT_FOR_READONLY:
/*
* This is racy - by the time we're woken up and running,
* the superblock could be released. And the module could
@@ -155,16 +155,16 @@ flags_err:
int ret = 0;
set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue(&EXT3_SB(sb)->ro_wait_queue, &wait);
- if (timer_pending(&EXT3_SB(sb)->turn_ro_timer)) {
+ add_wait_queue(&EXT4_SB(sb)->ro_wait_queue, &wait);
+ if (timer_pending(&EXT4_SB(sb)->turn_ro_timer)) {
schedule();
ret = 1;
}
- remove_wait_queue(&EXT3_SB(sb)->ro_wait_queue, &wait);
+ remove_wait_queue(&EXT4_SB(sb)->ro_wait_queue, &wait);
return ret;
}
#endif
- case EXT3_IOC_GETRSVSZ:
+ case EXT4_IOC_GETRSVSZ:
if (test_opt(inode->i_sb, RESERVATION)
&& S_ISREG(inode->i_mode)
&& ei->i_block_alloc_info) {
@@ -172,7 +172,7 @@ flags_err:
return put_user(rsv_window_size, (int __user *)arg);
}
return -ENOTTY;
- case EXT3_IOC_SETRSVSZ: {
+ case EXT4_IOC_SETRSVSZ: {
if (!test_opt(inode->i_sb, RESERVATION) ||!S_ISREG(inode->i_mode))
return -ENOTTY;
@@ -186,8 +186,8 @@ flags_err:
if (get_user(rsv_window_size, (int __user *)arg))
return -EFAULT;
- if (rsv_window_size > EXT3_MAX_RESERVE_BLOCKS)
- rsv_window_size = EXT3_MAX_RESERVE_BLOCKS;
+ if (rsv_window_size > EXT4_MAX_RESERVE_BLOCKS)
+ rsv_window_size = EXT4_MAX_RESERVE_BLOCKS;
/*
* need to allocate reservation structure for this inode
@@ -195,17 +195,17 @@ flags_err:
*/
mutex_lock(&ei->truncate_mutex);
if (!ei->i_block_alloc_info)
- ext3_init_block_alloc_info(inode);
+ ext4_init_block_alloc_info(inode);
if (ei->i_block_alloc_info){
- struct ext3_reserve_window_node *rsv = &ei->i_block_alloc_info->rsv_window_node;
+ struct ext4_reserve_window_node *rsv = &ei->i_block_alloc_info->rsv_window_node;
rsv->rsv_goal_size = rsv_window_size;
}
mutex_unlock(&ei->truncate_mutex);
return 0;
}
- case EXT3_IOC_GROUP_EXTEND: {
- ext3_fsblk_t n_blocks_count;
+ case EXT4_IOC_GROUP_EXTEND: {
+ ext4_fsblk_t n_blocks_count;
struct super_block *sb = inode->i_sb;
int err;
@@ -218,15 +218,15 @@ flags_err:
if (get_user(n_blocks_count, (__u32 __user *)arg))
return -EFAULT;
- err = ext3_group_extend(sb, EXT3_SB(sb)->s_es, n_blocks_count);
- journal_lock_updates(EXT3_SB(sb)->s_journal);
- journal_flush(EXT3_SB(sb)->s_journal);
- journal_unlock_updates(EXT3_SB(sb)->s_journal);
+ err = ext4_group_extend(sb, EXT4_SB(sb)->s_es, n_blocks_count);
+ journal_lock_updates(EXT4_SB(sb)->s_journal);
+ journal_flush(EXT4_SB(sb)->s_journal);
+ journal_unlock_updates(EXT4_SB(sb)->s_journal);
return err;
}
- case EXT3_IOC_GROUP_ADD: {
- struct ext3_new_group_data input;
+ case EXT4_IOC_GROUP_ADD: {
+ struct ext4_new_group_data input;
struct super_block *sb = inode->i_sb;
int err;
@@ -236,14 +236,14 @@ flags_err:
if (IS_RDONLY(inode))
return -EROFS;
- if (copy_from_user(&input, (struct ext3_new_group_input __user *)arg,
+ if (copy_from_user(&input, (struct ext4_new_group_input __user *)arg,
sizeof(input)))
return -EFAULT;
- err = ext3_group_add(sb, &input);
- journal_lock_updates(EXT3_SB(sb)->s_journal);
- journal_flush(EXT3_SB(sb)->s_journal);
- journal_unlock_updates(EXT3_SB(sb)->s_journal);
+ err = ext4_group_add(sb, &input);
+ journal_lock_updates(EXT4_SB(sb)->s_journal);
+ journal_flush(EXT4_SB(sb)->s_journal);
+ journal_unlock_updates(EXT4_SB(sb)->s_journal);
return err;
}
@@ -255,52 +255,52 @@ flags_err:
}
#ifdef CONFIG_COMPAT
-long ext3_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file->f_dentry->d_inode;
int ret;
/* These are just misnamed, they actually get/put from/to user an int */
switch (cmd) {
- case EXT3_IOC32_GETFLAGS:
- cmd = EXT3_IOC_GETFLAGS;
+ case EXT4_IOC32_GETFLAGS:
+ cmd = EXT4_IOC_GETFLAGS;
break;
- case EXT3_IOC32_SETFLAGS:
- cmd = EXT3_IOC_SETFLAGS;
+ case EXT4_IOC32_SETFLAGS:
+ cmd = EXT4_IOC_SETFLAGS;
break;
- case EXT3_IOC32_GETVERSION:
- cmd = EXT3_IOC_GETVERSION;
+ case EXT4_IOC32_GETVERSION:
+ cmd = EXT4_IOC_GETVERSION;
break;
- case EXT3_IOC32_SETVERSION:
- cmd = EXT3_IOC_SETVERSION;
+ case EXT4_IOC32_SETVERSION:
+ cmd = EXT4_IOC_SETVERSION;
break;
- case EXT3_IOC32_GROUP_EXTEND:
- cmd = EXT3_IOC_GROUP_EXTEND;
+ case EXT4_IOC32_GROUP_EXTEND:
+ cmd = EXT4_IOC_GROUP_EXTEND;
break;
- case EXT3_IOC32_GETVERSION_OLD:
- cmd = EXT3_IOC_GETVERSION_OLD;
+ case EXT4_IOC32_GETVERSION_OLD:
+ cmd = EXT4_IOC_GETVERSION_OLD;
break;
- case EXT3_IOC32_SETVERSION_OLD:
- cmd = EXT3_IOC_SETVERSION_OLD;
+ case EXT4_IOC32_SETVERSION_OLD:
+ cmd = EXT4_IOC_SETVERSION_OLD;
break;
#ifdef CONFIG_JBD_DEBUG
- case EXT3_IOC32_WAIT_FOR_READONLY:
- cmd = EXT3_IOC_WAIT_FOR_READONLY;
+ case EXT4_IOC32_WAIT_FOR_READONLY:
+ cmd = EXT4_IOC_WAIT_FOR_READONLY;
break;
#endif
- case EXT3_IOC32_GETRSVSZ:
- cmd = EXT3_IOC_GETRSVSZ;
+ case EXT4_IOC32_GETRSVSZ:
+ cmd = EXT4_IOC_GETRSVSZ;
break;
- case EXT3_IOC32_SETRSVSZ:
- cmd = EXT3_IOC_SETRSVSZ;
+ case EXT4_IOC32_SETRSVSZ:
+ cmd = EXT4_IOC_SETRSVSZ;
break;
- case EXT3_IOC_GROUP_ADD:
+ case EXT4_IOC_GROUP_ADD:
break;
default:
return -ENOIOCTLCMD;
}
lock_kernel();
- ret = ext3_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg));
+ ret = ext4_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg));
unlock_kernel();
return ret;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.