git.osdn.net Git - uclinux-h8/linux.git/commit

(root) / uclinux-h8 / linux.git / commit

author	Darrick J. Wong <darrick.wong@oracle.com>
	Tue, 20 Aug 2019 14:55:16 +0000 (07:55 -0700)
committer	Darrick J. Wong <darrick.wong@oracle.com>
	Tue, 20 Aug 2019 14:55:16 +0000 (07:55 -0700)
commit	dc617f29dbe5ef0c8ced65ce62c464af1daaab3d
tree	3596eb0d334f04f87088c735748bba8e66a71cad	tree \| snapshot
parent	1638045c36772b47a0765f7dca07cb90267e4942	commit \| diff

vfs: don't allow writes to swap files

Don't let userspace write to an active swap file because the kernel
effectively has a long term lease on the storage and things could get
seriously corrupted if we let this happen.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

fs/block_dev.c		diff \| blob \| history
include/linux/fs.h		diff \| blob \| history
mm/filemap.c		diff \| blob \| history
mm/memory.c		diff \| blob \| history
mm/mmap.c		diff \| blob \| history
mm/swapfile.c		diff \| blob \| history

RSS Atom

About OSDN

Find Software

Develop Software

Help