Track maximum file size, presented in /proc/self/limits. Signed-off-by: Topi Miettinen <toiwoton@xxxxxxxxx> --- 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@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>