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proc: smaller RCU section in ->getattr()

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struct kstat is thread local.

Link: http://lkml.kernel.org/r/20180423213626.GB9043@avx2
Signed-off-by: Alexey Dobriyan <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexey Dobriyan 2018-06-07 17:10:07 -07:00 • committed by Linus Torvalds
commit 941169298a
1 changed files with 1 additions and 1 deletions
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fs/proc/base.c
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@ -1755,9 +1755,9 @@ int pid_getattr(const struct path *path, struct kstat *stat,
generic_fillattr(inode, stat);
rcu_read_lock();
stat->uid = GLOBAL_ROOT_UID;
stat->gid = GLOBAL_ROOT_GID;
rcu_read_lock();
task = pid_task(proc_pid(inode), PIDTYPE_PID);
if (task) {
if (!has_pid_permissions(pid, task, HIDEPID_INVISIBLE)) {