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Commit 4adb8302 authored by Miklos Szeredi's avatar Miklos Szeredi
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fuse: check fallocate mode 



Don't allow new fallocate modes until we figure out what (if anything) that
takes.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 7736e8cc

fs/fuse/file.c

+3 −0
Original line number Diff line number Diff line
@@ -2972,6 +2972,9 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, 
	bool lock_inode = !(mode & FALLOC_FL_KEEP_SIZE) ||

			   (mode & FALLOC_FL_PUNCH_HOLE);



	if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))

		return -EOPNOTSUPP;



	if (fc->no_fallocate)

		return -EOPNOTSUPP;