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nilfs2: make splice write available again 

Since 5.10, splice() or sendfile() to NILFS2 return EINVAL.  This was
caused by commit 36e2c7421f ("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@gmail.com
Signed-off-by: Joachim Henke <joachim.henke@t-systems.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>	[5.10+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joachim Henke 2021-02-09 13:42:36 -08:00 committed by Linus Torvalds
parent 3286222fc6
commit a35d8f016e
1 changed files with 1 additions and 0 deletions
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fs/nilfs2/file.c
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@ -141,6 +141,7 @@ const struct file_operations nilfs_file_operations = {
/* .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 = {