cifs: fix offset handling in cifs_iovec_write
In the recent update of the cifs_iovec_write code to use async writes, the handling of the file position was broken. That patch added a local "offset" variable to handle the offset, and then only updated the original "*poffset" before exiting. Unfortunately, it copied off the original offset from the beginning, instead of doing so after generic_write_checks had been called. Fix this by moving the initialization of "offset" after that in the function. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
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@ -2178,7 +2178,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov,
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unsigned long nr_pages, i;
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size_t copied, len, cur_len;
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ssize_t total_written = 0;
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loff_t offset = *poffset;
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loff_t offset;
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struct iov_iter it;
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struct cifsFileInfo *open_file;
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struct cifs_tcon *tcon;
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@ -2200,6 +2200,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov,
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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open_file = file->private_data;
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tcon = tlink_tcon(open_file->tlink);
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offset = *poffset;
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if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD)
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pid = open_file->pid;
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