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splice: move inode size check into generic_file_splice_read()
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
parent
85f6038f21
commit
d366d39885
1 changed files with 9 additions and 10 deletions
19
fs/splice.c
19
fs/splice.c
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@ -478,10 +478,18 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,
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{
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ssize_t spliced;
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int ret;
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loff_t isize, left;
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isize = i_size_read(in->f_mapping->host);
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if (unlikely(*ppos >= isize))
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return 0;
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left = isize - *ppos;
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if (unlikely(left < len))
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len = left;
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ret = 0;
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spliced = 0;
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while (len) {
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ret = __generic_file_splice_read(in, ppos, pipe, len, flags);
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@ -922,7 +930,6 @@ static long do_splice_to(struct file *in, loff_t *ppos,
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struct pipe_inode_info *pipe, size_t len,
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unsigned int flags)
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{
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loff_t isize, left;
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int ret;
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if (unlikely(!in->f_op || !in->f_op->splice_read))
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@ -935,14 +942,6 @@ static long do_splice_to(struct file *in, loff_t *ppos,
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if (unlikely(ret < 0))
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return ret;
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isize = i_size_read(in->f_mapping->host);
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if (unlikely(*ppos >= isize))
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return 0;
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left = isize - *ppos;
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if (unlikely(left < len))
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len = left;
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return in->f_op->splice_read(in, ppos, pipe, len, flags);
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}
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