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| /openbmc/linux/fs/ |
| H A D | namei.c | 2aa38470 Wed Feb 26 18:19:05 CST 2020 Al Viro <viro@zeniv.linux.org.uk> non-RCU analogue of the previous commit
new helper: choose_mountpoint(). Wrapper around choose_mountpoint_rcu(),
similar to lookup_mnt() vs. __lookup_mnt(). follow_dotdot() switched to
it. Now we don't grab mount_lock exclusive anymore; note that the
primitive used non-RCU mount traversals in other direction (lookup_mnt())
doesn't bother with that either - it uses mount_lock seqcount instead.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2aa38470 Wed Feb 26 18:19:05 CST 2020 Al Viro <viro@zeniv.linux.org.uk> non-RCU analogue of the previous commit
new helper: choose_mountpoint(). Wrapper around choose_mountpoint_rcu(),
similar to lookup_mnt() vs. __lookup_mnt(). follow_dotdot() switched to
it. Now we don't grab mount_lock exclusive anymore; note that the
primitive used non-RCU mount traversals in other direction (lookup_mnt())
doesn't bother with that either - it uses mount_lock seqcount instead.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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