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proc: wire up generic_file_splice_read for iter ops

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Wire up generic_file_splice_read for the iter based proxy ops, so
that splice reads from them work.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-11-04 09:27:34 +01:00 committed by Linus Torvalds
parent d4d50710a8
commit fe33850ff7
1 changed files with 2 additions and 0 deletions
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2
fs/proc/inode.c
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@ -597,6 +597,7 @@ static const struct file_operations proc_iter_file_ops = {
.llseek = proc_reg_llseek,
.read_iter = proc_reg_read_iter,
.write = proc_reg_write,
.splice_read = generic_file_splice_read,
.poll = proc_reg_poll,
.unlocked_ioctl = proc_reg_unlocked_ioctl,
.mmap = proc_reg_mmap,
@ -622,6 +623,7 @@ static const struct file_operations proc_reg_file_ops_compat = {
static const struct file_operations proc_iter_file_ops_compat = {
.llseek = proc_reg_llseek,
.read_iter = proc_reg_read_iter,
.splice_read = generic_file_splice_read,
.write = proc_reg_write,
.poll = proc_reg_poll,
.unlocked_ioctl = proc_reg_unlocked_ioctl,