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hostfs: support splice_write 

There's really no good reason not to, and e.g. trace-cmd
currently requires it for the temporary per-CPU files.
Hook up splice_write just like everyone else does.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Johannes Berg 2021-07-06 23:12:42 +02:00 committed by Richard Weinberger
parent 7ad28e0df7
commit 1568cb0e6d
1 changed files with 1 additions and 0 deletions
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fs/hostfs/hostfs_kern.c
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@ -381,6 +381,7 @@ static int hostfs_fsync(struct file *file, loff_t start, loff_t end,
static const struct file_operations hostfs_file_fops = {
.llseek = generic_file_llseek,
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,