From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Topi Miettinen To: linux-kernel@vger.kernel.org Cc: Topi Miettinen , Alexander Viro , Andrew Morton , Jan Kara , Johannes Weiner , Michal Hocko , Ross Zwisler , "Kirill A. Shutemov" , Mel Gorman , Junichi Nomura , Matthew Wilcox , linux-fsdevel@vger.kernel.org (open list:FILESYSTEMS (VFS and infrastructure)), linux-mm@kvack.org (open list:MEMORY MANAGEMENT) Subject: [RFC 07/18] limits: track RLIMIT_FSIZE actual max Date: Mon, 13 Jun 2016 22:44:14 +0300 Message-Id: <1465847065-3577-8-git-send-email-toiwoton@gmail.com> In-Reply-To: <1465847065-3577-1-git-send-email-toiwoton@gmail.com> References: <1465847065-3577-1-git-send-email-toiwoton@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: Track maximum file size, presented in /proc/self/limits. Signed-off-by: Topi Miettinen --- fs/attr.c | 2 ++ mm/filemap.c | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/attr.c b/fs/attr.c index 25b24d0..1b620f7 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -116,6 +116,8 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset) return -ETXTBSY; } + bump_rlimit(RLIMIT_FSIZE, offset); + return 0; out_sig: send_sig(SIGXFSZ, current, 0); diff --git a/mm/filemap.c b/mm/filemap.c index 00ae878..1fa9864 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2447,6 +2447,7 @@ inline ssize_t generic_write_checks(struct kiocb *iocb, struct iov_iter *from) send_sig(SIGXFSZ, current, 0); return -EFBIG; } + bump_rlimit(RLIMIT_FSIZE, iocb->ki_pos); iov_iter_truncate(from, limit - (unsigned long)pos); } -- 2.8.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org