diff options
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 | 12 | ||||
| -rw-r--r-- | fs/ext2/ioctl.c | 32 | ||||
| -rw-r--r-- | fs/ext2/namei.c | 2 |
5 files changed, 45 insertions, 5 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 92ea826..3e7a84a 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 e65a019..c19ac15 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 23e2c7c..2dba473 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -41,17 +41,18 @@ static int ext2_release_file (struct inode * inode, struct file * filp) */ const struct file_operations ext2_file_operations = { .llseek = generic_file_llseek, - .read = generic_file_read, - .write = generic_file_write, + .read = do_sync_read, + .write = do_sync_write, .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, .fsync = ext2_sync_file, - .readv = generic_file_readv, - .writev = generic_file_writev, .sendfile = generic_file_sendfile, .splice_read = generic_file_splice_read, .splice_write = generic_file_splice_write, @@ -63,6 +64,9 @@ 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 3ca9afd..1dfba77 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 diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index 4ca8249..e1af5b4 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -326,7 +326,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, ext2_set_link(new_dir, new_de, new_page, old_inode); new_inode->i_ctime = CURRENT_TIME_SEC; if (dir_de) - new_inode->i_nlink--; + drop_nlink(new_inode); inode_dec_link_count(new_inode); } else { if (dir_de) { |
