The patch titled Subject: nilfs2: make splice write available again has been added to the -mm tree. Its filename is nilfs2-make-splice-write-available-again.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/nilfs2-make-splice-write-available-again.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/nilfs2-make-splice-write-available-again.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Joachim Henke <joachim.henke@xxxxxxxxxxxxx> Subject: nilfs2: make splice write available again Since 5.10, splice() or sendfile() to NILFS2 return EINVAL. This was caused by commit 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops"). This patch initializes the splice_write field in file_operations, like most file systems do, to restore the functionality. Link: https://lkml.kernel.org/r/1612784101-14353-1-git-send-email-konishi.ryusuke@xxxxxxxxx Signed-off-by: Joachim Henke <joachim.henke@xxxxxxxxxxxxx> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx> Tested-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> [5.10+] Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/nilfs2/file.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/nilfs2/file.c~nilfs2-make-splice-write-available-again +++ a/fs/nilfs2/file.c @@ -141,6 +141,7 @@ const struct file_operations nilfs_file_ /* .release = nilfs_release_file, */ .fsync = nilfs_sync_file, .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, }; const struct inode_operations nilfs_file_inode_operations = { _ Patches currently in -mm which might be from joachim.henke@xxxxxxxxxxxxx are nilfs2-make-splice-write-available-again.patch