diff options
Diffstat (limited to 'fs/splice.c')
-rw-r--r-- | fs/splice.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/fs/splice.c b/fs/splice.c index 8f1dfaecc8f0..ce2f02579e35 100644 --- a/fs/splice.c +++ b/fs/splice.c | |||
@@ -1311,18 +1311,6 @@ long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, | |||
1311 | static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe, | 1311 | static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe, |
1312 | struct pipe_inode_info *opipe, | 1312 | struct pipe_inode_info *opipe, |
1313 | size_t len, unsigned int flags); | 1313 | size_t len, unsigned int flags); |
1314 | /* | ||
1315 | * After the inode slimming patch, i_pipe/i_bdev/i_cdev share the same | ||
1316 | * location, so checking ->i_pipe is not enough to verify that this is a | ||
1317 | * pipe. | ||
1318 | */ | ||
1319 | static inline struct pipe_inode_info *pipe_info(struct inode *inode) | ||
1320 | { | ||
1321 | if (S_ISFIFO(inode->i_mode)) | ||
1322 | return inode->i_pipe; | ||
1323 | |||
1324 | return NULL; | ||
1325 | } | ||
1326 | 1314 | ||
1327 | /* | 1315 | /* |
1328 | * Determine where to splice to/from. | 1316 | * Determine where to splice to/from. |
@@ -1336,8 +1324,8 @@ static long do_splice(struct file *in, loff_t __user *off_in, | |||
1336 | loff_t offset, *off; | 1324 | loff_t offset, *off; |
1337 | long ret; | 1325 | long ret; |
1338 | 1326 | ||
1339 | ipipe = pipe_info(in->f_path.dentry->d_inode); | 1327 | ipipe = get_pipe_info(in); |
1340 | opipe = pipe_info(out->f_path.dentry->d_inode); | 1328 | opipe = get_pipe_info(out); |
1341 | 1329 | ||
1342 | if (ipipe && opipe) { | 1330 | if (ipipe && opipe) { |
1343 | if (off_in || off_out) | 1331 | if (off_in || off_out) |
@@ -1555,7 +1543,7 @@ static long vmsplice_to_user(struct file *file, const struct iovec __user *iov, | |||
1555 | int error; | 1543 | int error; |
1556 | long ret; | 1544 | long ret; |
1557 | 1545 | ||
1558 | pipe = pipe_info(file->f_path.dentry->d_inode); | 1546 | pipe = get_pipe_info(file); |
1559 | if (!pipe) | 1547 | if (!pipe) |
1560 | return -EBADF; | 1548 | return -EBADF; |
1561 | 1549 | ||
@@ -1642,7 +1630,7 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov, | |||
1642 | }; | 1630 | }; |
1643 | long ret; | 1631 | long ret; |
1644 | 1632 | ||
1645 | pipe = pipe_info(file->f_path.dentry->d_inode); | 1633 | pipe = get_pipe_info(file); |
1646 | if (!pipe) | 1634 | if (!pipe) |
1647 | return -EBADF; | 1635 | return -EBADF; |
1648 | 1636 | ||
@@ -2022,8 +2010,8 @@ static int link_pipe(struct pipe_inode_info *ipipe, | |||
2022 | static long do_tee(struct file *in, struct file *out, size_t len, | 2010 | static long do_tee(struct file *in, struct file *out, size_t len, |
2023 | unsigned int flags) | 2011 | unsigned int flags) |
2024 | { | 2012 | { |
2025 | struct pipe_inode_info *ipipe = pipe_info(in->f_path.dentry->d_inode); | 2013 | struct pipe_inode_info *ipipe = get_pipe_info(in); |
2026 | struct pipe_inode_info *opipe = pipe_info(out->f_path.dentry->d_inode); | 2014 | struct pipe_inode_info *opipe = get_pipe_info(out); |
2027 | int ret = -EINVAL; | 2015 | int ret = -EINVAL; |
2028 | 2016 | ||
2029 | /* | 2017 | /* |