diff options
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index bb34af315280..a698eff457fb 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -15,6 +15,7 @@ #include <linux/syscalls.h> #include <linux/pagemap.h> #include <linux/splice.h> +#include <linux/compat.h> #include "read_write.h" #include <asm/uaccess.h> @@ -163,7 +164,7 @@ EXPORT_SYMBOL(no_llseek); loff_t default_llseek(struct file *file, loff_t offset, int whence) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); loff_t retval; mutex_lock(&inode->i_mutex); @@ -247,6 +248,13 @@ SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence) return retval; } +#ifdef CONFIG_COMPAT +COMPAT_SYSCALL_DEFINE3(lseek, unsigned int, fd, compat_off_t, offset, unsigned int, whence) +{ + return sys_lseek(fd, offset, whence); +} +#endif + #ifdef __ARCH_WANT_SYS_LLSEEK SYSCALL_DEFINE5(llseek, unsigned int, fd, unsigned long, offset_high, unsigned long, offset_low, loff_t __user *, result, @@ -278,7 +286,6 @@ out_putf: } #endif - /* * rw_verify_area doesn't like huge counts. We limit * them to something that fits in "int" so that others @@ -290,7 +297,7 @@ int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count loff_t pos; int retval = -EINVAL; - inode = file->f_path.dentry->d_inode; + inode = file_inode(file); if (unlikely((ssize_t) count < 0)) return retval; pos = *ppos; @@ -901,8 +908,8 @@ ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos, size_t count, if (!(out.file->f_mode & FMODE_WRITE)) goto fput_out; retval = -EINVAL; - in_inode = in.file->f_path.dentry->d_inode; - out_inode = out.file->f_path.dentry->d_inode; + in_inode = file_inode(in.file); + out_inode = file_inode(out.file); retval = rw_verify_area(WRITE, out.file, &out.file->f_pos, count); if (retval < 0) goto fput_out; |