ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 20:51:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge tag 'filelock-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux

Browse Source 
Pull file locking updates from Jeff Layton:
 "Just a couple of minor bugfixes, a revision to a tracepoint to account
  for some earlier changes to the internals, and a patch to add a
  pr_warn message when someone tries to mount a filesystem with '-o
  mand' on a kernel that has that support disabled"

* tag 'filelock-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
  locks: fix a memory leak bug in __break_lease()
  locks: print a warning when mount fails due to lack of "mand" support
  locks: Fix procfs output for file leases
  locks: revise generic_add_lease tracepoint
This commit is contained in:
Linus Torvalds
2019-09-18 13:41:01 -07:00
parent e170eb2771 cfddf9f4c9
commit d013cc800a
4 changed files with 31 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
fs/namespace.c
View File

@@ -1643,13 +1643,18 @@ static inline bool may_mount(void)
return ns_capable(current->nsproxy->mnt_ns->user_ns, CAP_SYS_ADMIN);
}
#ifdef CONFIG_MANDATORY_FILE_LOCKING
static inline bool may_mandlock(void)
{
#ifndef CONFIG_MANDATORY_FILE_LOCKING
return false;
#endif
return capable(CAP_SYS_ADMIN);
}
#else
static inline bool may_mandlock(void)
{
pr_warn("VFS: \"mand\" mount option not supported");
return false;
}
#endif
/*
* Now umount can handle mount points as well as block devices.