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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-23 20:51:48 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-26 08:46:11 +0100 |
| commit | 7bb307e894d51308aa0582a8c4cc5875bbc645b9 (patch) | |
| tree | 8b8434fe4674fb47236c0d7ca2256e7afc29f208 /fs | |
| parent | fs: encode_fh: return FILEID_INVALID if invalid fid_type (diff) | |
| download | linux-7bb307e894d51308aa0582a8c4cc5875bbc645b9.tar.xz linux-7bb307e894d51308aa0582a8c4cc5875bbc645b9.zip | |
export kernel_write(), convert open-coded instances
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ecryptfs/read_write.c | 6 | ||||
| -rw-r--r-- | fs/splice.c | 5 |
2 files changed, 4 insertions, 7 deletions
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c index b2a34a192f4f..6a160539cd23 100644 --- a/fs/ecryptfs/read_write.c +++ b/fs/ecryptfs/read_write.c @@ -40,16 +40,12 @@ int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data, loff_t offset, size_t size) { struct file *lower_file; - mm_segment_t fs_save; ssize_t rc; lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file; if (!lower_file) return -EIO; - fs_save = get_fs(); - set_fs(get_ds()); - rc = vfs_write(lower_file, data, size, &offset); - set_fs(fs_save); + rc = kernel_write(lower_file, data, size, offset); mark_inode_dirty_sync(ecryptfs_inode); return rc; } diff --git a/fs/splice.c b/fs/splice.c index 963213d56403..718bd0056384 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -569,7 +569,7 @@ static ssize_t kernel_readv(struct file *file, const struct iovec *vec, return res; } -static ssize_t kernel_write(struct file *file, const char *buf, size_t count, +ssize_t kernel_write(struct file *file, const char *buf, size_t count, loff_t pos) { mm_segment_t old_fs; @@ -578,11 +578,12 @@ static ssize_t kernel_write(struct file *file, const char *buf, size_t count, old_fs = get_fs(); set_fs(get_ds()); /* The cast to a user pointer is valid due to the set_fs() */ - res = vfs_write(file, (const char __user *)buf, count, &pos); + res = vfs_write(file, (__force const char __user *)buf, count, &pos); set_fs(old_fs); return res; } +EXPORT_SYMBOL(kernel_write); ssize_t default_file_splice_read(struct file *in, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, |