| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20080208222710.5AEC3CEE@kernel> Date: Fri, 08 Feb 2008 14:27:10 -0800 From: Dave Hansen <haveblue@...ibm.com> To: linux-kernel@...r.kernel.org Cc: hch@....de, viro@...IV.linux.org.uk, viro@....linux.org.uk, miklos@...redi.hu, Dave Hansen <haveblue@...ibm.com> Subject: [RFC][PATCH 17/30] r/o bind mounts: write count for file_update_time() Signed-off-by: Dave Hansen <haveblue@...ibm.com> --- linux-2.6.git-dave/fs/inode.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff -puN fs/inode.c~r-o-bind-mounts-elevate-write-count-for-file_update_time fs/inode.c --- linux-2.6.git/fs/inode.c~r-o-bind-mounts-elevate-write-count-for-file_update_time 2008-02-08 13:04:53.000000000 -0800 +++ linux-2.6.git-dave/fs/inode.c 2008-02-08 13:04:53.000000000 -0800 @@ -1250,10 +1250,13 @@ void file_update_time(struct file *file) struct inode *inode = file->f_path.dentry->d_inode; struct timespec now; int sync_it = 0; + int err; if (IS_NOCMTIME(inode)) return; - if (IS_RDONLY(inode)) + + err = mnt_want_write(file->f_vfsmnt); + if (err) return; now = current_fs_time(inode->i_sb); @@ -1274,6 +1277,7 @@ void file_update_time(struct file *file) if (sync_it) mark_inode_dirty_sync(inode); + mnt_drop_write(file->f_vfsmnt); } EXPORT_SYMBOL(file_update_time); _ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists