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| author | David Howells <dhowells@redhat.com> | 2006-08-29 19:06:20 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@nelson.home.kernel.dk> | 2006-09-30 20:52:29 +0200 |
| commit | e322ff07fb2d0f05c02d85e7c6b30d23f308c20f (patch) | |
| tree | 56c6817342087294f5242dbea9eaaa38098a9046 /fs/ext2 | |
| parent | 52b499c438ff60991eb3855ca090782569b3e8cf (diff) | |
| download | lwn-e322ff07fb2d0f05c02d85e7c6b30d23f308c20f.tar.gz lwn-e322ff07fb2d0f05c02d85e7c6b30d23f308c20f.zip | |
[PATCH] BLOCK: Move the Ext2 device ioctl compat stuff to the Ext2 driver [try #6]
Move the Ext2 device ioctl compat stuff from fs/compat_ioctl.c to the Ext2
driver so that the Ext2 header file doesn't need to be included.
Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/ext2')
| -rw-r--r-- | fs/ext2/dir.c | 3 | ||||
| -rw-r--r-- | fs/ext2/ext2.h | 1 | ||||
| -rw-r--r-- | fs/ext2/file.c | 6 | ||||
| -rw-r--r-- | fs/ext2/ioctl.c | 32 |
4 files changed, 42 insertions, 0 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 92ea8265d7d5..3e7a84a1e509 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -661,5 +661,8 @@ const struct file_operations ext2_dir_operations = { .read = generic_read_dir, .readdir = ext2_readdir, .ioctl = ext2_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = ext2_compat_ioctl, +#endif .fsync = ext2_sync_file, }; diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index e65a019fc7a5..c19ac153f56b 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -137,6 +137,7 @@ extern void ext2_set_inode_flags(struct inode *inode); /* ioctl.c */ extern int ext2_ioctl (struct inode *, struct file *, unsigned int, unsigned long); +extern long ext2_compat_ioctl(struct file *, unsigned int, unsigned long); /* namei.c */ struct dentry *ext2_get_parent(struct dentry *child); diff --git a/fs/ext2/file.c b/fs/ext2/file.c index 23e2c7ccec1d..e8bbed9dd268 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -46,6 +46,9 @@ const struct file_operations ext2_file_operations = { .aio_read = generic_file_aio_read, .aio_write = generic_file_aio_write, .ioctl = ext2_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = ext2_compat_ioctl, +#endif .mmap = generic_file_mmap, .open = generic_file_open, .release = ext2_release_file, @@ -63,6 +66,9 @@ const struct file_operations ext2_xip_file_operations = { .read = xip_file_read, .write = xip_file_write, .ioctl = ext2_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = ext2_compat_ioctl, +#endif .mmap = xip_file_mmap, .open = generic_file_open, .release = ext2_release_file, diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index 3ca9afdf713d..1dfba77eab10 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -11,6 +11,8 @@ #include <linux/capability.h> #include <linux/time.h> #include <linux/sched.h> +#include <linux/compat.h> +#include <linux/smp_lock.h> #include <asm/current.h> #include <asm/uaccess.h> @@ -80,3 +82,33 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, return -ENOTTY; } } + +#ifdef CONFIG_COMPAT +long ext2_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 EXT2_IOC32_GETFLAGS: + cmd = EXT2_IOC_GETFLAGS; + break; + case EXT2_IOC32_SETFLAGS: + cmd = EXT2_IOC_SETFLAGS; + break; + case EXT2_IOC32_GETVERSION: + cmd = EXT2_IOC_GETVERSION; + break; + case EXT2_IOC32_SETVERSION: + cmd = EXT2_IOC_SETVERSION; + break; + default: + return -ENOIOCTLCMD; + } + lock_kernel(); + ret = ext2_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg)); + unlock_kernel(); + return ret; +} +#endif |