diff options
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 1ee8eb11f38b..6318a25a16ba 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1542,14 +1542,14 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk) struct fs_struct *fs = current->fs; if (clone_flags & CLONE_FS) { /* tsk->fs is already what we want */ - spin_lock(&fs->lock); + read_seqlock_excl(&fs->seq); /* "users" and "in_exec" locked for check_unsafe_exec() */ if (fs->in_exec) { - spin_unlock(&fs->lock); + read_sequnlock_excl(&fs->seq); return -EAGAIN; } fs->users++; - spin_unlock(&fs->lock); + read_sequnlock_excl(&fs->seq); return 0; } tsk->fs = copy_fs_struct(fs); @@ -3149,13 +3149,13 @@ int ksys_unshare(unsigned long unshare_flags) if (new_fs) { fs = current->fs; - spin_lock(&fs->lock); + read_seqlock_excl(&fs->seq); current->fs = new_fs; if (--fs->users) new_fs = NULL; else new_fs = fs; - spin_unlock(&fs->lock); + read_sequnlock_excl(&fs->seq); } if (new_fd) |