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afs: Fix copy_file_range() 

The prevention of splice-write without explicit ops made the
copy_file_write() syscall to an afs file (as done by the generic/112
xfstest) fail with EINVAL.

Fix by using iter_file_splice_write() for afs.

Fixes: 36e2c7421f ("fs: don't allow splice read/write without explicit ops")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
David Howells 2020-10-27 09:39:04 +00:00
parent 3650b228f8
commit 06a17bbe1d
1 changed files with 1 additions and 0 deletions
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fs/afs/file.c
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@ -33,6 +33,7 @@ const struct file_operations afs_file_operations = {
.write_iter = afs_file_write,
.mmap = afs_file_mmap,
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
.fsync = afs_fsync,
.lock = afs_lock,
.flock = afs_flock,